Simmonds DNA Lumber - Finlayson Timber and Hardware€¦ · Simmonds Decking and Screening 3...

61ALL PRICES INCLUDE GST. Ask in store about our Price Guarantee.

Simmonds Merbau Decking and Screening

Parkside Timber Hardwood Decking and Screening

Boral Decking

Modwood Decking

James Hardie - HardieDeck™

TQ TDS 4 - Residential Timber Decks

TQ TDS 13 - Residential Timber Decks close to or on the Ground

Section 3 DECKING

62 “Celebrating 141 YEARS.”

Simmonds Decking and Screening 3

Finlayson’s are proud to stock DNA Lumber® Merbau

decking from Simmonds. By purchasing Simmonds

DNA Lumber® decking, posts, screening or beams,

you can be assured that:

- You are helping to stop illegal logging

- Your timber is fully DNA Certified

- There is a chain-of-custody

- Your timber is fire and termite resistant

Simmonds DNA Lumber®

Simmonds DNA Lumber® is independently certified using the Certisource DNA verification technology - one of the world’s most secure chain of custody systems. Each timber batch is audited from the forest to the Simmonds Lumber warehouse by Double Helix Tracking Technologies.

Independently certified, legally sourced, Merbau timber products

Helping to stop illegal loggingwww.simmondslumber.com.au


Section 3 DECKING

Kwila Decking and Screening 3

SIZE DESCRIPTION GRADE PRICE

Unit = LM

IMPORTED SPECIES

90 x 19 Reeded Reverse Face Kwila Standard & Better $4.95



3.1 Kwila Decking


Unit = LM

IMPORTED SPECIES

70 x 19 0.9, 1.2, 1.8 and 2.4 $6.25

3.2 Kwila Screening

NOTE: Pricing of imported species may vary considerably due to foreign currency exchange rates. Finlayson DNA certified Merbau decking is the only Merbau decking independently certified as legally sourced. Merbau decking is durability class one above ground and is the only imported decking Finlayson’s recommend for a hassle free, long life.

Kwila is a Durability Class 1 above ground specie, which is both stable and dense for our harsh Australian conditions.


parksidetimber.com.aucall 1800 257 099

PARKSIDE DECKING is grown, produced and manufactured in Australia.

PARKSIDE DECKING is Australia’s first and only Aussie Bundled decking.

PARKSIDE DECKING is sourced from sustainably managed forests.

PARKSIDE TIMBER is Australian’s largest producer of Queensland Spotted Gum.

Hardwood Decking


Section 3 DECKING

Spotted Gum Decking and Screening 3


Unit = LM

AUSTRALIAN SPECIES

42 x 19 Pencil Round Standard and Better $4.64




3.3 Spotted Gum Decking


Unit = LM

AUSTRALIAN SPECIES

42 x 19 1.8, 2.4, 3.0 and 3.6 $4.56

64 x 19 1.8, 2.4, 3.0 and 3.6 $5.95

86 x 19 1.8, 2.4, 3.0 and 3.6 $8.45

3.4 Spotted Gum Screening

NOTE: Finlayson spotted Gum decking is durability class one above ground and is one of only two native specie decking Finlayson’s recommend for a hassle free, long life. Choose a tried and tested Australian specie in spotted gum as cheaper up front alternatives can cost more in the long run.

Spotted Gum is a Durability Class 1 above ground specie, which is both stable, dense and very hard to suit our harsh Australian conditions.

Boral Decking is manufactured from Australian hardwood species that have proven durability in Australian conditions.

Boral Timber decking is AFS Chain of Custody certified providing peace of mind that Boral’s decking is sourced from sustainably managed and legal forestry.

The same timber species can be used for internal flooring and outdoor decking, to provide a seamless transition from inside to outside, expanding living areas or to create an outdoor room.

Blackbutt and Spotted Gum have a natural fire resistance. Their fire retarding properties make them suitable for use in many bushfire prone areas under Australian Standard AS3959.

Australian hardwoods can easily be finished with a clear decking oil or stain. Alternatively the timber can be left to weather to turn an attractive silver grey. After timber has weathered it can be restored to its original colour by resanding and coating.

Building codes and Australian Standards should be adhered to when building with Boral Decking.

Boral Decking

BORAL TIMBERBuild something great™



Iron Bark and Blackbutt Decking 3


Unit = LM

AUSTRALIAN SPECIES IRON BARK AND BLACKBUTT


3.5 Iron Bark Decking

NOTE: Finlayson Iron Bark decking is durability class one above ground and is one of only two native specie decking Finlayson’s recommend for a hassle free, long life. Choose a tried and tested Australian specie in Iron Bark as cheaper up front alternatives can cost more in the long run.

Section 3 DECKING

Iron Bark and Black butt are Durability Class 1 above ground species, which is both stable, dense and very hard –perfect for our harsh Australian conditions.


BLACK BEAN JARRAH SILVER GUM SAHARA

BRUSHED BRUSHED BRUSHED BRUSHEDSMOOTH SMOOTH SMOOTH SMOOTH

Decking Decking Wide Flame Shield® Marina Board Mini Board Screening **

Dimensions 88 x 23 mm 137 x 23 mm 137 x 23 mm 137 x 32 mm**** 68 x 17 mm

Minimum ground clearance 300 300 300 300 150

Joist/support centres (max distance) 450*** 450 450 600 800**

Minimum end-gap (butt join) 2 2 2 2 2

Minimum gap - side by side 4 4 4 6 8

Minimum distance from edge of board for fixing 20 20 20 20 20

Minimum end-gap to solid structure 6 6 4 6 6

Screws (pre-drill & countersink) yes yes yes yes yes

Dome-head nails (pre-drill) yes yes yes yes yes

Nail gun acceptability yes* yes* yes* no yes*

Zig-zag fixing acceptability-not suitable for nailguns yes no no no no

Standard length - approx. 10 to 15mm over length 5.4 5.4 5.4 4.2 4.8

Weight (per lineal metre) kgs 2.3 3.7 3.7 5.0 1.4

* Use only dome-head nails from “coil-nail” gun. Pre-drill and hand nail when within 50 mm of end of board. Nail gun is not our preferred fixing method. ** Refer to website for fixing instructions. *** 400 mm centres for Commercial applications. **** Super Marina board 137 x 35mm is available for commercial applications which requires a 4.5kN concentrated action @ 450mm joist centres - contact ModWood. In all cases, when screwing down do not overdrive screws. Fix with low to medium torque. Do not punch nail-heads under surface of board. Fixing too close to the end of the board will cause splitting. Do not fix within 15 mm of end of board.

ModWood Colour Range

3.6 Modwood Decking

Residential Commercial Heavy Duty Commercial

ModWood Decking 3ModWood Decking 3

Decking Decking Wide Flame Shield® Marina Board Mini Board Screening**

Dimensions 86 x 23mm 137 x 23mm 137 x 23mm 137 x 32mm**** 68 x 17mmPRICE L/M $11.35 $18.40 $20.56 $27.32 $6.90Minimum ground clearance 300 300 300 300 150

Joist/support centres (max distance) 450*** 450 450 600 800**

Minimum end-gap (butt join) 2 2 2 2 2

Minimum gap - side by side 4 4 4 6 8

Minimum distance from edge of board for fixing 20 20 20 20 20

Minimum end-gap to soilid structure 6 6 4 6 6

Screws (pre-drill and countersink) yes yes yes yes yes

Dome-head nails (pre-drill) yes yes yes yes yes

Nail gun acceptability yes* yes* yes* no yes*

Zig-zag fixing acceptability - not suitable for nailguns yes no no no no

Standard length - approx. 10 to 15mm over length 5.4 5.4 5.4 4.2 4.8

Weight (per lineal metre) kgs 2.3 3.7 3.7 5.0 1.4

3.6 ModWood Decking

*Use only dome-head nails from “coil-nail” gun. Pre-drill and hand nail when within 50 mm of end of board. Nail gun is not our preferred fixing method. ** Refer to website for fixing instructions. *** 400 mm centres for Commercial applications. **** Super Marina board 137 x 35mm is available for commercial applications which requires a 4.5kN concentrated action @ 450mm joist centres - contact ModWood. In all cases, when screwing down do not overdrive screws. Fix with low to medium torque. Do not punch nail-heads under surface of board. Fixing too close to the end of the board will cause splitting. Do not fix within 15 mm of end of board.

Residential Commercial Heavy Duty Commercial

Because it’sHardieDeck™

not hard workNEW

HardieDeck™ compressed fibre cement boards godown fast and, with a 10 year warranty, are built tolast. The Fast-track fixing system makes installationquicker and more cost-effective than other deckingmaterials, creating an opportunity to install moredecks. After installation the 196mm wide boardscan be coated in your choice of colour. To watch anInstallation Video scan the QR code.

Visit HardieDeck.com.au

The Fast-track fixing system makes installation quick.

™ and ® denote a trademark owned by James Hardie Technology Limited.

It’s not hard to build or maintain.

Available from

Build More Decks HardieDeck™ goes down fast. The fast-track fixing system makes installation quicker so you can build more decks. Using HardieDeck means no pre-drilling, counter-sinking or board spacing and it’s more cost-effective than other decking materials.

HardieDeck is durable - it won’t split or rot and is resistant to termites, fire and moisture damage - so you can focus on building new decks instead of fixing call backs. The fibre cement boards and powder-coated aluminium accessories are all backed by a 10 year warranty.

InstallationHardieDeck is fast to install, with uniform 196mm wide and 3000mm long compressed fibre cement decking boards. The boards are 19m thick and have grooves machined into the long edges. The fastening mechanism is concealed and the jointing system consists of an anodised aluminium base jointer that is screwed to the framing joists. A powder-coated snap-in cover then covers the screw heads and gives a continuous contrasting line between the decking boards after the boards have been painted.

Because it’s HardieDeck™ not hard work


Section 3 DECKING

For full hardideck details please refer to the James Hardie section in this catalogue.


TDS 4 - Residential Timber Decks 3

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RESI

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Spec

ies

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G

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TR

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A (M

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(S

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ber s

hall

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r dom

estic

dec

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boa

rds

2. T

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peci

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itabl

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ote:

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TAB

LE 2

- TI

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Size

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Uns

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of75

x 7

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0 x

100

2000

3600

1900

3300

1700

3100

1500

2700

1400

2500

1300

2400

1200

2300

1000

2200

NS

2000

NS

2000

NS

1900

NS

1800

Tile

Ro

of75

x 7

510

0 x

100

2000

3600

1700

3000

1500

2700

900

2100

1400

2500

1200

2300

1000

2100

NS

1800

NS

2000

NS

1900

NS

1700

NS

1400

Seas

oned

Tr

eate

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70 x

70

90 x

90

2400

4100

2100

3400

1800

3000

1300

2300

1700

2900

1500

2600

1300

2400

1000

2100

1200

2300

1100

2200

900

2000

NS

1800

Uns

easo

ned

Har

dwoo

d,

F14

Shee

t Ro

of75

x 7

510

0 x

100

2900

4800

2600

4600

2500

4300

2200

3800

2000

3500

1900

3400

1900

3300

1700

3000

1600

2900

1600

2800

1500

2700

1500

2600

Tile

Ro

of75

x 7

510

0 x

100

2900

4800

2400

4200

2100

3800

1700

2900

2000

3500

1800

3200

1700

3000

1500

2600

1600

2900

1500

2700

1400

2600

1300

2300

Trea

ted

Pine

Ro

unds

F8

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of

100

dia

125

dia

150

dia

3300

4800

4800

3000

4700

4800

2800

4400

4800

2500

3900

4800

2300

3600

4800

2200

3500

4800

2100

3300

4800

2000

3100

4600

1900

3000

4400

1800

2900

4200

1800

2800

4100

1700

2700

3900

Tile

Ro

of

100

dia

125

dia

150

dia

3300

4800

4800

2800

4400

4800

2500

3800

4800

1900

3000

4400

2300

3600

4800

2100

3300

4800

2000

3100

4500

1700

2700

4000

1900

3000

4400

1800

2800

4100

1700

2600

3900

1500

2400

3500

Not

es: 1

) Su

itabl

e fo

r win

d cl

assi

ficat

ions

up

to N

3/C2

. i)

D =

mem

ber d

epth

, B =

mem

ber b

read

th, N

S =

not s

uita

ble.

ii)

Th

e ab

ove

tabl

e w

as b

ased

on

a m

axim

um S

heet

Roo

f Mas

s of 4

0 (k

g/m

2 ), Ti

le R

oof M

ass o

f 90

(kg/

m2 ),

To

tal U

pper

Flo

or M

ass o

f 50

(kg/

m2 ),

Floo

r Liv

e Lo

ad o

f 1.5

(kPa

).

TAB

LE 3

- B

EARE

RSFl

oor L

oad

Wid

th (m

m)

(Len

gth

of jo

ists

sup

port

ed)

1800

2400

3000

3600

1800

2400

3000

3600

Max

imum

Bea

rer S

pan

(mm

)M

embe

r Siz

e (m

m)

Sing

le S

pan

Cont

inuo

us S

pan

Uns

easo

ned

Cypr

ess,

F5

100

x 75

2/10

0 x

5012

5 x

752/

125

x 50

150

x 75

2/15

0 x

5017

5 x

752/

17 5

x 50

200

x 75

2/20

0 x

50

1000

1300

1300

1600

1600

1950

1800

2200

2100

2600

NS

1100

1100

1400

1300

1650

1600

1900

1800

2200

NS

900

1000

1300

1200

1500

1400

1700

1600

2000

NS

NS

1100

1100

1350

1300

1300

1600

1500

1800

1000

1300

1300

1600

1600

1950

1800

2200

2100

2600

NS

1100

1100

1400

1300

1650

1600

1900

1800

2200

NS

900

1000

1300

1200

1500

1400

1700

1600

2000

NS

900

NS

1100

1100

1350

1300

1600

1500

1800

Seas

oned

Tr

eate

d Pi

ne, F

7

140

x 45

2/14

0 x

352/

140

x 45

190

x 45

2/19

0 x

352/

190

x 45

240

x 45

2/24

0 x

352/

240

x 45

1300

1700

2000

1750

2400

2700

2200

3000

3400

1100

1500

1700

1500

2000

2300

1900

2600

2900

1000

1300

1500

1200

1800

2100

1700

2300

2600

900

1200

1400

1350

1600

1900

1550

2100

2400

1300

1700

2000

1750

2400

2700

2200

3000

3400

1100

1500

1700

1500

2000

2300

1900

2600

2900

1000

1300

1500

1350

1800

2100

1700

2300

2600

900

1200

1400

1200

1600

1900

1550

2100

2400

Uns

easo

ned

Har

dwoo

d, F

14

100

x 75

2/10

0 x

5012

5 x

752/

125

x 50

150

x 75

2/15

0 x

5017

5 x

752/

175

x 50

200

x 75

2/20

0 x

50

1600

1900

2100

2400

2500

2800

2900

3300

3400

3700

1400

1700

1800

2100

2200

2600

2500

3000

2900

3400

1300

1600

1600

2000

1900

2400

2300

2800

2600

3200

1100

1400

1400

1800

1800

2200

2100

2600

2400

3000

1600

2100

2100

2600

2500

3100

2900

3700

3400

4200

1400

1800

1800

2200

2200

2700

2500

3200

2900

3600

1300

1600

1600

2000

1900

2400

2300

2800

2600

3200

1100

1400

1400

1800

1800

2200

2100

2600

2400

3000

Not

es:

1. B

eare

rs to

supp

ort fl

oor l

oads

onl

y. P

osts

supp

ortin

g ro

of to

be

dire

ctly

ove

r dec

k su

ppor

ts.

2.

Max

imum

cant

ileve

r can

be

25%

of a

llow

able

span

pro

vide

d th

e ac

tual

bac

kspa

n is

at l

east

twic

e th

e ac

tual

cant

ileve

r.

3. S

izes

gre

ater

than

200

mm

dee

p m

ay n

ot b

e re

adily

ava

ilabl

e.

4. F

or o

ther

stre

ss g

rade

s and

size

s ref

er to

AS1

684

Resi

dent

ial t

imbe

r-fra

med

cons

truc

tion.



©TI

MBE

R Q

UEE

NSL

AN

D L

IMIT

ED T

ECH

NIC

AL

DAT

A S

HEE

T 4

RESI

DEN

TIA

L TI

MBE

R D

ECKS

Rev

ised

Mar

ch 2

014

Page

3

TERM

ITE

PRO

TEC

TIO

NPh

ysic

al

and/

or

Chem

ical

te

rmite

m

anag

emen

t sy

stem

s m

ust

be

prov

ided

to

prot

ect

the

deck

and

to

ensu

re t

erm

ites

do n

ot b

ypas

s pr

otec

tion

syst

ems t

o ad

jace

nt st

ruct

ures

. Ter

mite

man

agem

ent s

yste

ms

mus

t be

desig

ned

so th

at th

ey ca

n be

read

ily in

spec

ted

and

mai

ntai

ned.

Whe

re a

dequ

ate

term

ite m

anag

emen

t sys

tem

s ar

e no

t pro

vide

d to

de

cks,

they

shal

l be

com

plet

ely

isol

ated

from

any

adj

acen

t str

uctu

re.

MEM

BER

DES

IGN

Tabl

es 2

, 3 a

nd 4

list

siz

es fo

r pos

ts, b

eare

rs a

nd jo

ists

, for

com

mon

m

embe

r spa

cing

s an

d co

mm

only

use

d tim

ber s

tres

s gr

ades

.

The

follo

win

g to

lera

nces

app

ly:-

• Uns

easo

ned

Cypr

ess

+ 2

mm

- 4

mm

• S

easo

ned

Pine

+ 2

mm

- 0

mm

• U

nsea

sone

d H

ardw

ood

+ 3

mm

- 3

mm

.

The

size

s fo

r bea

rers

and

jois

ts d

o no

t allo

w fo

r roo

f loa

ds (i

.e. p

osts

su

ppor

ting

roof

to

be c

ontin

uous

to

the

grou

nd o

r be

pos

ition

ed

dire

ctly

ove

r dec

k su

ppor

ts) a

nd a

re su

itabl

e fo

r a m

axim

um d

ecki

ng

mas

s of

20

kg/m

2 .

Whe

re h

eavi

er d

ecki

ng s

yste

ms

are

used

suc

h as

tile

s ov

er fi

bre

cem

ent,

spec

ific

desi

gn is

requ

ired.

For a

ltern

ativ

e si

zes,

span

s and

stre

ss g

rade

s or f

or m

embe

rs su

ppor

ting

roof

load

s, re

fer t

o AS

168

4 Re

side

ntia

l tim

ber-

fram

ed c

onst

ruct

ion.

FIX

ING

SPo

st s

tirru

ps s

hall

be h

ot d

ippe

d ga

lvan

ised

.

Bolts

, scr

ews

and

nails

sha

ll be

hot

dip

ped

galv

anis

ed o

r st

ainl

ess

stee

l (no

t zin

c pl

ated

).

Prop

rieta

ry c

onne

ctor

s (jo

ist h

ange

rs, f

ram

ing

anch

ors,

etc)

, in

fully

w

eath

er e

xpos

ed s

ituat

ions

, sha

ll be

eith

er h

ot d

ippe

d ga

lvan

ised

, st

ainl

ess

stee

l or

with

a f

used

, ba

ked

epox

y co

atin

g or

oth

er

prot

ectio

n in

acc

orda

nce

with

man

ufac

ture

r’s re

com

men

datio

ns.

Not

es:

1. S

tand

ard

galv

anis

ed c

onne

ctor

s (Z

275

cla

ss) a

re o

nly

reco

mm

ende

d w

hen

wea

ther

pro

tect

ed (i

.e. u

nder

roof

).

2. In

corr

osiv

e en

viro

nmen

ts (i

.e. c

lose

to th

e co

ast,

swim

min

g po

ols,

etc)

, hig

her

leve

ls o

f pro

tect

ion

are

requ

ired.

3. T

he a

bove

reco

mm

enda

tions

app

ly to

trea

ted

timbe

r w

hich

rem

ains

dry

in

serv

ice.

Pro

prie

tary

con

nect

ors

used

with

CCA

, ACQ

or c

oppe

r azo

le tr

eate

d tim

ber,

whi

ch r

emai

ns m

oist

(i.e

. ove

r 20

% f

or e

xten

ded

perio

ds),

shal

l be

eith

er st

ainl

ess s

teel

or w

ith a

fuse

d or

bak

ed e

poxy

coa

ting

(not

stan

dard

or

hot d

ippe

d ga

lvan

ised

).

ATTA

CHIN

G D

ECK

S TO

HO

USE

Ledg

ers

shal

l be

a m

inim

um 9

0 x

45 m

m t

reat

ed p

ine,

har

dwoo

d or

cyp

ress

, fixe

d to

hou

se fr

amin

g (s

tuds

, joi

sts

or b

eare

rs) w

ith 1

2 m

m d

ia. h

ot d

ippe

d ga

lvan

ised

bol

ts o

r co

ach

scre

ws

at 6

00 m

m

max

imum

spa

cing

. Led

gers

may

be

fixed

with

mas

onry

anc

hors

to

stru

ctur

al b

rick

or b

lock

wal

ls i

n ac

cord

ance

with

man

ufac

ture

r’s

inst

ruct

ions

.

Not

e: B

rick

vene

er o

r ot

her

sing

le s

kin

bric

k w

alls

may

not

be

stru

ctur

ally

ad

equa

te a

nd r

equi

re a

dditi

onal

pie

rs o

r fre

esta

ndin

g po

sts

with

dec

ks

inde

pend

antly

bra

ced.

BR

ACI

NG

Dec

ks s

hall

be b

race

d to

pre

vent

lat

eral

mov

emen

t an

d sh

all

be

desi

gned

in a

ccor

danc

e w

ith th

e BC

A a

nd re

gula

tory

requ

irem

ents

. W

here

tim

ber

brac

es a

re u

sed

they

sha

ll be

dou

ble

diag

onal

100

x

38 m

m h

ardw

ood

or 9

0 x

45 m

m tr

eate

d pi

ne, h

alve

d at

the

cros

sing

.

Dec

ks a

ttac

hed

to t

he h

ouse

sha

ll ha

ve d

oubl

e di

agon

al b

raci

ng

eith

er:

(a) fi

xed

to th

e un

ders

ide

of jo

ists

with

eac

h br

ace

fixed

to e

ach

jois

t w

ith 7

5 m

m N

o. 1

4 Ty

pe 1

7 ba

tten

scr

ews

or t

wo

75 x

3.1

5 m

m

nails

, or

(b) f

or d

ecks

gre

ater

tha

n 18

00 m

m h

igh,

fixe

d be

twee

n a

pair

of

post

s, pa

ralle

l to

the

wal

l, w

ith th

e en

ds o

f bra

ces b

olte

d to

pos

ts

with

12

mm

dia

. bol

ts.

Free

stan

ding

dec

ks g

reat

er t

han

1800

mm

hig

h sh

all b

e br

aced

in

both

dire

ctio

ns w

ith d

oubl

e di

agon

al b

race

s be

twee

n at

leas

t tw

o pa

irs o

f pos

ts a

t rig

ht a

ngle

s. Fr

eest

andi

ng d

ecks

less

than

180

0 m

m

may

hav

e po

sts

embe

dded

in th

e gr

ound

to p

rovi

de la

tera

l bra

cing

.

INST

ALL

ING

PO

STS

Foot

ings

for d

ecks

etc

shal

l be

in a

ccor

danc

e w

ith th

e BC

A re

gula

tory

re

quire

men

ts. T

imbe

r pos

ts sh

ould

pre

fera

bly

be fi

xed

to h

ot d

ippe

d ga

lvan

ised

ste

el s

tirru

ps s

et in

con

cret

e. A

min

imum

cle

aran

ce o

f 75

mm

sha

ll be

pro

vide

d be

twee

n th

e to

p of

the

conc

rete

foot

ing

and

the

bott

om o

f the

pos

t as

a te

rmite

insp

ectio

n zo

ne.

Hol

es f

or e

mbe

dded

pos

ts s

hall

be fi

lled

with

100

mm

dep

th o

f

TAB

LE 4

- FL

OO

R JO

ISTS

(450

MM

SPA

CIN

G)

Max

imum

Flo

or Jo

ist S

pan

(mm

)M

embe

r Siz

e (m

m)

Sing

le S

pan

Cont

inuo

us

Uns

easo

ned

Cypr

ess,

F5

100

x 50

125

x 50

150

x 50

175

x 50

200

x 50

1400

2200

2600

3000

3500

1700

2200

2600

3000

3500

Seas

oned

Tr

eate

d Pi

ne, F

7

90 x

45

120

x 45

140

x 45

190

x 45

240

x 45

1300

2200

2600

3600

4500

1700

2200

2600

3600

4500

Uns

easo

ned

Har

dwoo

d, F

14

100

x 50

125

x 50

150

x 50

175

x 50

200

x 50

2200

2800

3400

3900

4400

2500

3200

3800

4500

5100

Not

es:

1. Jo

ists

to su

ppor

t floo

r loa

ds o

nly.

Pos

ts su

ppor

ting

roof

to b

e di

rect

ly o

ver

deck

supp

orts

.2.

Max

imum

cant

ileve

r can

be

25%

of a

llow

able

span

pro

vide

d th

e ac

tual

ba

cksp

an is

at l

east

twic

e th

e ac

tual

cant

ileve

r.3.

Siz

es g

reat

er th

an 2

00 m

m d

eep

and

>600

0 m

m lo

ng m

ay n

ot b

e re

adily

av

aila

ble.

4. 4

5/50

mm

wid

e jo

ists

are

reco

mm

ende

d w

here

dec

king

boa

rds a

re n

ail

fixed

to to

ps o

f joi

sts.

35/3

8 m

m w

ide

jois

ts a

re su

itabl

e w

here

side

of j

oist

pr

oprie

tary

fixi

ngs (

e.g.

Dek

lok)

are

use

d.5.

For

oth

er st

ress

gra

des a

nd si

zes r

efer

to A

S 16

84 R

esid

entia

l tim

ber-

fram

ed

cons

truc

tion.

©TI

MBE

R Q

UEE

NSL

AN

D L

IMIT

ED T

ECH

NIC

AL

DAT

A S

HEE

T 4

RESI

DEN

TIA

L TI

MBE

R D

ECKS

Rev

ised

Mar

ch 2

014

Page

4

coar

se g

rave

l (t

o al

low

wat

er t

o dr

ain)

bef

ore

back

fillin

g w

ith

conc

rete

or

ram

med

ear

th. T

op o

f bac

kfill

to b

e sl

oped

aw

ay fr

om

post

s to

she

d w

ater

. Ter

mite

man

agem

ent

syst

ems

to e

mbe

dded

po

sts s

hall

be p

rovi

ded

by st

ainl

ess s

teel

mes

h (T

erm

imes

h) so

cks o

r ca

ps o

r by

chem

ical

trea

tmen

t to

the

surr

ound

ing

grou

nd.

INST

ALL

ING

BEA

RERS

Bear

ers

shal

l be

adeq

uate

ly fi

xed

to p

osts

.

Eith

er:-

(a) W

here

bea

rers

sit o

n to

p of

pos

ts, fi

xed

with

pro

prie

tary

pos

t cap

s or

bra

cket

s in

acc

orda

nce

with

man

ufac

ture

r’s in

stru

ctio

ns, o

r

(b) W

ith b

eare

rs h

ouse

d in

to p

osts

and

bol

ted

with

two

12 m

m d

ia.

bolts

. (M

inim

um 3

5 m

m o

f pos

t to

rem

ain

afte

r hou

sing

), or

(c) F

or d

oubl

e be

arer

s, pa

rtia

lly h

ouse

d (1

0 m

m) i

nto

side

of p

osts

an

d bo

lted

with

two

12 m

m d

ia. b

olts

.

(d) W

here

pos

ts c

ontin

ue u

p to

sup

port

han

drai

ls, r

efer

to T

echn

ical

D

ata

Shee

t 23

for s

izes

and

lim

itatio

ns o

n ho

usin

g.N

ote:

Hou

sed

join

ts s

hall

be c

oate

d w

ith w

ater

rep

ella

nt p

rese

rvat

ives

or

oil

base

d pr

imer

Seas

oned

dou

ble

bear

ers

may

be

eith

er s

pace

d or

nai

l-lam

inat

ed

toge

ther

with

stag

gere

d na

ils, a

t a sp

acin

g eq

ual t

o tw

ice

the

bear

er

dept

h. U

nsea

sone

d do

uble

bea

rers

sha

ll be

spa

ced.

Whe

re d

oubl

e be

arer

s ar

e sp

aced

, sol

id t

imbe

r sp

acin

g bl

ocks

sha

ll be

pro

vide

d an

d bo

lted

betw

een

the

bear

ers

at m

id-s

pan.

a) T

ypic

al p

ropr

ieta

ry

brac

ket

b) B

eare

rs fu

lly h

ouse

dc)

Bea

rers

par

tially

hou

sed

INST

ALL

ING

JO

ISTS

Jois

ts sh

all b

e fix

ed o

n to

p of

bea

rers

or l

edge

rs a

t 450

mm

max

imum

sp

acin

g w

ith e

ither

two

75 m

m x

3.1

5 m

m s

kew

nai

ls o

r pro

prie

tary

fr

amin

g an

chor

s or

bra

cket

s.

Alte

rnat

ivel

y, j

oist

s m

ay b

e in

stal

led

in l

ine

with

bea

rers

and

/or

ledg

ers

and

fixed

with

pro

prie

tary

jois

t han

gers

in a

ccor

danc

e w

ith

man

ufac

ture

r’s re

com

men

datio

ns.

Whe

re jo

ists

are

face

fixe

d to

bea

rers

or

ledg

ers

with

jois

t ha

nger

s in

add

ition

to

nails

, one

scr

ew in

eac

h le

g of

the

han

ger

shal

l be

prov

ided

into

the

face

of t

he b

eare

r or l

edge

r.

Not

e: N

ails

for p

ropr

ieto

ry co

nnec

tors

to b

e ho

t dip

ped

galv

anis

hed

Size

s sh

own

in T

able

4 l

ist

only

45

mm

and

50

mm

wid

e jo

ists

al

thou

gh 3

5/38

mm

wid

e jo

ists

may

be

stru

ctur

ally

ade

quat

e. Jo

ists

45

/50

mm

wid

e ar

e re

com

men

ded

beca

use

they

are

less

pro

ne t

o sp

littin

g an

d pr

ovid

e be

tter

bea

ring

and

fixin

g fo

r dec

king

boa

rds a

t jo

ins

and

ends

. Joi

sts

35/3

8 m

m w

ide

may

be

suita

ble

for u

se w

here

de

ckin

g is

fixe

d to

sid

es o

f joi

sts

with

pro

prie

tary

fixi

ngs

(Ref

er A

S 16

84 fo

r lar

ger r

ange

of j

oist

siz

es).

Whe

re d

epth

of

jois

t is

gre

ater

tha

n fo

ur t

imes

the

wid

th,

solid

bl

ocki

ng sh

all b

e pr

ovid

ed b

etw

een

jois

ts a

t eac

h su

ppor

t. Fo

r joi

sts

span

s ov

er 3

m, a

dditi

onal

her

ringb

one

stru

ttin

g or

sol

id b

lock

ing

shou

ld b

e pr

ovid

ed in

eve

nly

spac

ed ro

ws

as fo

llow

s:-

• For s

pans

ove

r 3.0

m to

4.2

m -

one

row

• For s

pans

ove

r 4.2

m -

two

row

s eq

ually

spa

ced.

a) Jo

ists

and

be

arer

s in

line

b) Jo

ists

on

top

of

bear

ers

or le

dges

H5

Trea

ted

Pine

Pos

t

Section 3 DECKING



©TI

MBE

R Q

UEE

NSL

AN

D L

IMIT

ED T

ECH

NIC

AL

DAT

A S

HEE

T 4

RESI

DEN

TIA

L TI

MBE

R D

ECKS

Rev

ised

Mar

ch 2

014

Page

5

DEC

KIN

GD

ecki

ng b

oard

s are

ava

ilabl

e pl

ain

(squ

are

edge

d), w

ith p

enci

l rou

nd

or a

rris

ed e

dges

, or w

ith o

ne re

eded

or r

ibbe

d su

rfac

e. T

ongu

e an

d gr

oove

d flo

orin

g m

ust n

ot b

e us

ed fo

r wea

ther

exp

osed

dec

ks.

Stan

dard

cov

er w

idth

s ar

e:-

Cypr

ess

68 m

m

Trea

ted

Pine

70

mm

or 9

0 m

m

Har

dwoo

d 63

mm

, 86

mm

or 1

35m

m

Nar

row

boa

rds

are

reco

mm

ende

d as

the

y sh

ed w

ater

mor

e re

adily

an

d ar

e th

eref

ore

less

pro

ne to

cup

ping

and

twis

ting.

Reed

ed o

r rib

bed

deck

ing

may

be

fixed

with

ree

ded

face

dow

n or

up

(ow

ners

cho

ice)

, how

ever

whe

re fi

xed

with

reed

ed fa

ce u

p (a

s a

“non

-slip

” sur

face

), de

ckin

g m

ust

be r

egul

arly

mai

ntai

ned

as b

uild

up

of

dirt

and

mou

ld in

gro

oves

can

mak

e su

rfac

es m

ore

slip

pery

an

d ac

cele

rate

dec

ay.

Dec

king

boa

rds

shal

l be

sea

sone

d to

the

req

uire

men

ts o

f th

e ap

plic

able

Aus

tral

ian

Stan

dard

(i.e

. har

dwoo

d 10

% to

18%

, sof

twoo

d 10

% to

15%

).

Not

e: T

Q re

com

men

ds a

max

imum

MC

of 1

5% fo

r res

iden

tial d

ecki

ng.

TAB

LE 5

- D

ECK

ING

Spec

ies

Min

. G

rade

Thic

knes

s (m

m)

Max

. Joi

st

Spac

ing

(mm

)

Nai

ling

Requ

irem

ents

(s

ee N

ote

#)

Har

dwoo

dSt

anda

rd

Gra

de

(AS

2796

)

1950

050

x 2

.8

Gal

v Bu

llet H

ead

2565

065

x 2

.8

Gal

v. B

ulle

t Hea

d

Cypr

ess*

Stan

dard

G

rade

(A

S 18

10)

2145

050

x 2

.8

Gal

v Bu

llet H

ead

Trea

ted

Pine

(H3)

Stan

dard

G

rade

(A

S 17

82)

2245

050

x 2

.8

Gal

v. F

lat H

ead

Not

es:

* Cyp

ress

con

tain

ing

sapw

ood

shou

ld n

ot b

e us

ed c

lose

r th

an 2

50m

m f

rom

gr

ound

. Ref

er re

com

men

datio

ns in

AS

1810

.

# W

here

joi

sts

are

trea

ted

soft

woo

d, n

ails

sha

ll be

def

orm

ed r

ing

shan

k, o

r al

tern

ativ

ely

scre

ws.

Rece

nt

com

para

tive

labo

rato

ry

with

draw

al

test

s ca

rrie

d ou

t by

Ti

mbe

r Q

ueen

slan

d on

a w

ide

rang

e of

com

mer

cial

ly a

vaila

ble

mac

hine

driv

en n

ails

in

dica

ted

a la

rge

varia

tion

in m

achi

ne n

ail w

ithdr

awal

resi

stan

ce. I

nsta

llers

of

deck

ing

shou

ld e

nsur

e th

at m

achi

ne n

ails

use

d ha

ve e

qual

or b

ette

r with

draw

al

resi

stan

ce th

an th

e han

d na

ils g

iven

abo

ve. In

stal

lers

shou

ld o

btai

n co

mpa

rativ

e w

ithdr

awal

info

rmat

ion

from

nai

l sup

plie

rs o

r con

duct

com

para

tive t

rials

(pin

ch

bar)

on

test

mat

eria

l bef

ore

usin

g a

part

iclu

ar m

achi

ne n

ail.

INST

ALL

ING

DEC

KIN

GTh

e to

p su

rfac

e of

jois

ts a

nd a

ll su

rfac

es o

f dec

king

boa

rds s

houl

d ha

ve

a co

at o

f wat

er re

pelle

nt p

rese

rvat

ive

or o

il ba

sed

prim

er p

lus o

ne c

oat

of t

he s

elec

ted

finis

h (p

aint

or

stai

n) a

pplie

d be

fore

fixi

ng d

ecki

ng

(refe

r Fin

ishe

s). T

able

5 li

sts t

he re

quire

d fix

ings

for d

omes

tic d

ecki

ng.

Har

dwoo

d an

d Cy

pres

s de

ckin

g up

to 9

0 m

m w

idth

sha

ll be

spa

ced

with

3 m

m (m

in) g

aps.

Soft

woo

d de

ckin

g sh

all h

ave

5 m

m g

aps.

Butt

join

ts s

hall

be s

tagg

ered

(i.e

. not

on

adjo

inin

g bo

ards

).

Join

ts s

tagg

ered

A s

light

bac

k-cu

t will

ass

ist i

n ob

tain

ing

a tig

ht fi

t at b

utt e

nds.

Each

boa

rd s

hall

be fi

xed

at e

very

jois

t cr

ossi

ng w

ith t

wo

nails

as

requ

ired

by Ta

ble

5. A

ltern

ativ

ely,

pro

prie

tary

fixi

ngs m

ay b

e us

ed in

ac

cord

ance

with

man

ufac

ture

r’s in

stru

ctio

ns.

Nai

ls s

hall

be h

ot d

ippe

d ga

lvan

ised

or

stai

nles

s st

eel

(not

zin

c pl

ated

). W

ithin

1 m

etre

of s

wim

min

g po

ols,

stai

nles

s st

eel o

r sili

con

bron

ze fi

xing

s ar

e re

com

men

ded.

Nai

ls sh

all b

e ke

pt 1

2 m

m fr

om e

dges

and

end

s of b

oard

s. N

ail h

oles

at

but

t joi

nts s

hall

be p

redr

illed

(80%

nai

l dia

met

er) t

o av

oid

split

ting.

Nai

ls s

hall

be d

riven

flus

h w

ith s

urfa

ce (n

ot p

unch

ed).

At i

nter

med

iate

fixi

ngs n

ails

shal

l eith

er b

e off

set o

r driv

en a

t slig

htly

op

posi

ng a

ngle

s.

HA

ND

RA

ILS

AN

D B

ALU

STR

AD

ESD

ecks

mor

e th

an o

ne m

etre

abo

ve g

roun

d re

quire

a h

andr

ail

or

balu

stra

de. R

efer

to T

DS

23 fo

r Tim

ber H

andr

ails

and

Bal

ustr

ades

.

Nai

ls/s

crew

s off

set

Nai

ls/s

crew

s at

opp

osin

g an

gles

Whi

lst e

very

effo

rt is

mad

e to

ens

ure

the

accu

racy

of a

dvic

e gi

ven,

Tim

ber Q

ueen

slan

d Li

mite

d ca

nnot

acc

ept l

iabi

lity

for l

oss o

r dam

age

aris

ing

from

the

use

of th

e in

form

atio

n su

pplie

d.

©TI

MBE

R Q

UEE

NSL

AN

D L

IMIT

ED T

ECH

NIC

AL

DAT

A S

HEE

T 4

RESI

DEN

TIA

L TI

MBE

R D

ECKS

Rev

ised

Mar

ch 2

014

Page

6

Phon

e (0

7) 3

254

1989

Fax

(0

7) 3

358

7999

PO B

ox 2

014,

For

titud

e Va

lley

BC Q

ld 4

006

adm

in@

timbe

rque

ensl

and.

com

.au

ww

w.t

imbe

rque

ensl

and.

com

.au

Tim

ber Q

ueen

slan

d Li

mit

edAC

N 0

92 6

86 7

56 |

ABN

50

092

686

756

500

Brun

swic

k St

reet

, For

titud

e Va

lley

Bris

bane

Que

ensl

and

4006

FIN

ISH

ING

All

deck

s sh

all

have

a fi

nish

app

lied

as p

rote

ctio

n ag

ains

t th

e w

eath

erin

g eff

ects

of s

un a

nd ra

in.

Not

e: U

npro

tect

ed ti

mbe

r exp

osed

to th

e wea

ther

will

fade

to a

silv

er-g

rey c

olou

r an

d co

uld

dist

ort a

nd d

evel

op sp

littin

g an

d su

rfac

e ch

ecki

ng.

One

coa

t of

a w

ater

rep

elle

nt p

rese

rvat

ive

or a

n oi

l bas

ed p

rimer

pl

us o

ne c

oat

of t

he s

elec

ted

finis

h sh

all

be a

pplie

d to

the

top

su

rfac

e of

jois

ts a

nd t

o al

l sur

face

s of

dec

king

(inc

ludi

ng c

ut e

nds)

pr

ior

to fi

xing

. Add

ition

al c

oats

sha

ll be

app

lied

(to

man

ufac

ture

r’s

inst

ruct

ions

) to

the

top

surf

ace

of d

ecki

ng a

fter

con

stru

ctio

n.

The

follo

win

g fin

ish

type

s ar

e av

aila

ble:

Clea

r Fin

ishe

s/W

ater

Rep

elle

nt P

rese

rvat

ives

(WRP

)Th

ese

are

gene

rally

wat

er re

pelle

nt m

ater

ials

(wax

es, r

esin

s, et

c.) i

n a

light

org

anic

sol

vent

bas

e. T

hey

ofte

n al

so c

onta

in c

hem

ical

s w

hich

in

hibi

t de

cay.

The

se fi

nish

es p

rovi

de p

rote

ctio

n ag

ains

t m

oist

ure

and

are

reco

mm

ende

d as

a p

rimin

g co

at f

or o

ther

coa

tings

. The

co

mpa

tibili

ty o

f W

RP w

ith o

ther

coa

tings

sho

uld

how

ever

be

chec

ked.

Gen

eral

ly, t

wo

wee

ks is

req

uire

d be

twee

n ap

plic

atio

n of

W

RP a

nd o

ther

fini

shes

.

Clea

r fin

ishe

s pr

ovid

e m

inim

al p

rote

ctio

n ag

ains

t th

e U

V eff

ects

fr

om th

e su

n. W

hen

used

on

thei

r ow

n th

ey re

quire

reap

plic

atio

n at

ab

out s

ix m

onth

ly in

terv

als.

Not

e: C

lear

pol

yure

than

e fin

ishe

s ca

n br

eakd

own

unde

r U

V ex

posu

re a

nd a

re

not r

ecom

men

ded

for e

xter

nal u

se.

Pain

tsO

paqu

e pa

int

finis

hes

prov

ide

the

best

pr

otec

tion

agai

nst

wea

ther

ing,

how

ever

the

y ob

scur

e th

e na

tura

l col

our

and

grai

n of

th

e tim

ber.

Pale

col

ours

are

rec

omm

ende

d. N

orm

al p

aint

s ca

nnot

w

ithst

and

the

wea

r fro

m fo

ot tr

affic,

ther

efor

e on

ly s

peci

al d

ecki

ng

pain

ts s

houl

d be

use

d, s

tric

tly in

acc

orda

nce

with

man

ufac

ture

r’s

reco

mm

enda

tions

.

Not

e: O

il-ba

sed

prim

ers a

re re

com

men

ded

for b

oth

oil-b

ased

and

wat

er-b

ased

pa

int fi

nish

es.

Reco

atin

g is

nec

essa

ry e

very

five

to

seve

n ye

ars,

depe

ndin

g up

on

expo

sure

. Ad

ditio

nal

prep

arat

ion

(san

ding

, re

prim

ing

etc.

) is

fr

eque

ntly

nec

essa

ry.

Dec

king

Oils

/Dec

king

Sta

ins

Dec

king

oils

and

sta

ins

are

avai

labl

e w

hich

pro

vide

a r

elat

ivel

y na

tura

l, se

mi-t

rans

pare

nt,

prot

ectiv

e fin

ish.

Sol

vent

(O

il) o

r w

ater

ba

sed

stai

ns a

re a

vaila

ble

ofte

n w

ith m

ould

inh

ibiti

ng a

dditi

ves.

Dec

king

sta

ins

with

ligh

t co

lour

ed p

igm

ents

are

rec

omm

ende

d as

th

ey a

bsor

b le

ss h

eat a

nd o

nly

slig

htly

cha

nge

the

natu

ral c

olou

r of

the

timbe

r.

Reap

plic

atio

n is

ge

nera

lly

nece

ssar

y ev

ery

two

to

five

year

s de

pend

ing

upon

the

amou

nt o

f pig

men

t inc

lude

d, a

nd th

e de

gree

of

exp

osur

e. A

part

from

cle

anin

g, n

o ad

ditio

nal s

urfa

ce p

repa

ratio

n is

gen

eral

ly re

quire

d.

MA

INTE

NA

NCE

Freq

uent

wet

ting

of d

ecks

sho

uld

be a

void

ed (s

wee

p or

cle

an, d

on’t

hose

). Ad

equa

te v

entil

atio

n sh

ould

be

prov

ided

to a

llow

rapi

d dr

ying

af

ter r

ain

or w

ater

ing.

Pot

pla

nts

shou

ld b

e on

tray

s an

d pr

even

ted

from

ove

rflow

ing.

Shr

ubs

whi

ch p

erm

anen

tly s

hade

the

dec

k an

d cr

eepe

rs o

n ra

ils e

tc. s

houl

d be

avo

ided

.

Reap

plic

atio

n of

fini

shes

will

be r

equi

red

at re

gula

r int

erva

ls, d

epen

ding

on

fini

sh ty

pe a

nd d

egre

e of

exp

osur

e. B

efor

e re

coat

ing

all d

ecks

shal

l be

tho

roug

hly

clea

ned

and

debr

is r

emov

ed f

rom

bet

wee

n bo

ards

. Fo

r som

e fin

ishe

s, de

cks

may

als

o re

quire

san

ding

. Rec

oatin

g sh

all b

e ca

rrie

d ou

t in

acco

rdan

ce w

ith th

e m

anuf

actu

rer’s

reco

mm

enda

tions

SAFE

WO

RKIN

GW

orki

ng w

ith t

imbe

r pr

oduc

es d

ust

part

icle

s. Pr

otec

tion

of t

he

eyes

, nos

e an

d m

outh

whe

n sa

ndin

g, s

awin

g an

d pl

anin

g is

hig

hly

reco

mm

ende

d.

Refe

r to

to

ol

man

ufac

ture

rs

for

safe

w

orki

ng

reco

mm

enda

tions

for p

artic

ular

item

s of

equ

ipm

ent.

DIS

POSA

L O

F O

FFCU

TS A

ND

WA

STE

For a

ny tr

eate

d tim

ber,

do n

ot b

urn

offcu

ts o

r saw

dust

. Pre

serv

ativ

e tr

eate

d off

cuts

and

saw

dust

sho

uld

be d

ispo

sed

of b

y ap

prov

ed

loca

l aut

horit

y m

etho

ds.


TDS 13 - Residential Timber Decks Close to the Ground 3

©TI

MBE

R Q

UEE

NSL

AN

D L

IMIT

ED T

ECH

NIC

AL

DAT

A S

HEE

T 13

RES

IDEN

TIA

L TI

MBE

R D

ECKS

CLO

SE T

O O

R O

N T

HE

GRO

UN

D R

evise

d Fe

brua

ry 2

014

Page

1

Whe

n de

sign

ing

and

build

ing

timbe

r dec

ks w

here

tim

ber i

s le

ss th

an 4

00 m

m fr

om o

r on

the

grou

nd,

cons

ider

atio

ns m

ust b

e gi

ven

to th

e fo

llow

ing

to e

nsur

e go

od lo

ng te

rm p

erfo

rman

ce:

• ade

quat

e ve

ntila

tion

• sur

face

dra

inag

e • c

orre

ct ti

mbe

r spe

cies

sel

ectio

n

• acc

ess

for f

utur

e m

aint

enan

ce a

nd te

rmite

con

trol

.

TIM

BER

SEL

ECTI

ON

Whe

re f

ram

ing

timbe

rs a

re m

ore

than

150

mm

abo

ve t

he g

roun

d tim

ber

shou

ld b

e te

rmite

res

ista

nt, A

bove

Gro

und

Dur

abili

ty C

lass

1

or b

ette

r (w

ith s

apw

ood

H3

trea

ted)

e.g

. bla

ckbu

tt, s

pott

ed g

um,

ironb

ark,

cyp

ress

, for

est r

ed g

um, G

ympi

e m

essm

ate,

or H

3 or

bet

ter

pres

erva

tive

trea

ted

soft

woo

ds.

For

low

er d

ecks

or

thos

e on

the

gro

und,

fra

min

g tim

ber

shou

ld

be I

n-gr

ound

Dur

abili

ty C

lass

1 (

sapw

ood

trea

ted

to H

5) o

r H

5 pr

eser

vativ

e tr

eate

d so

ftw

ood.

Dec

king

bo

ards

sh

ould

be

A

bove

G

roun

d D

urab

ility

Cl

ass

1 (s

apw

ood

trea

ted

to H

3),

or H

3 pr

eser

vativ

e tr

eate

d so

ftw

ood.

Co

mm

only

ava

ilabl

e tim

ber

suita

ble

for

this

pur

pose

inc

lude

-

turp

entin

e, sp

otte

d gu

m, i

ronb

ark,

fore

st re

d gu

m, w

hite

mah

ogan

y,

tallo

ww

ood,

bl

ackb

utt,

cypr

ess,

mer

bau

(kw

ila),

bala

u an

d pr

eser

vativ

e tr

eate

d pi

ne. T

hese

tim

bers

are

term

ite re

sist

ant.

Not

e: C

CA tr

eate

d de

ckin

g bo

ards

shal

l not

be

used

in re

side

ntia

l app

licat

ions

.

TIM

BER

SIZ

ESFo

r siz

es o

f bea

rers

, joi

sts a

nd a

llow

able

jois

t spa

cing

s, re

fer t

o Ta

bles

1

- 3. O

ther

gra

des a

nd si

zes c

an b

e us

ed in

acc

orda

nce

with

AS1

684

- Res

iden

tial T

imbe

r Fra

med

Con

stru

ctio

n.

Not

e: To

ngue

and

Gro

ove

floor

ing

shou

ld n

ot b

e us

ed i

n w

eath

er e

xpos

ed

situ

atio

ns.

Whe

re d

ecks

are

bui

lt cl

ose

to th

e gr

ound

, a c

onsi

dera

ble

moi

stur

e gr

adie

nt c

an o

ccur

thro

ugh

the

thic

knes

s of

dec

king

boa

rds

whi

ch

can

resu

lt in

cup

ping

. For

thi

s re

ason

it is

rec

omm

ende

d th

at t

he

max

imum

wid

th o

f st

anda

rd t

hick

ness

(19

- 2

2 m

m)

deck

ing

be

limite

d to

100

mm

(nom

inal

). Fo

r ot

her

deck

ing,

the

wid

th s

houl

d no

t exc

eed

4 tim

es it

s th

ickn

ess.

BEF

ORE

CO

NST

RUC

TIO

NTh

e gr

ound

ben

eath

the

deck

shou

ld b

e gr

aded

aw

ay fr

om a

djac

ent

build

ings

and

the

deck

so

that

wat

er d

oes

not p

ond.

In s

ome

case

s ag

ricul

tura

l dr

aina

ge p

ipes

may

be

need

ed t

o en

sure

wat

er i

s re

mov

ed fr

om u

nder

the

deck

.

It w

ould

als

o be

goo

d pr

actic

e to

lay

dow

n a

plas

tic m

embr

ane

unde

r the

dec

k, c

over

ed w

ith g

rave

l or s

and

to k

eep

it in

pla

ce. T

his

will

hel

p ke

ep s

oil

moi

stur

e fr

om a

ffect

ing

the

timbe

r as

wel

l as

pr

even

ting

any

vege

tatio

n gr

owth

.

TERM

ITE

MA

NA

GEM

ENT

Onl

y te

rmite

res

ista

nt t

imbe

rs s

houl

d be

use

d fo

r th

ese

deck

s. H

owev

er, p

rote

ctio

n of

the

dwel

ling

to w

hich

the

deck

adj

oins

mus

t al

so b

e co

nsid

ered

. Thi

s cou

ld b

e ac

hiev

ed b

y le

avin

g an

app

ropr

iate

ga

p fo

r in

spec

tion

(refe

r fig

ure

2). I

t m

ay b

e ne

cess

ary

to p

rovi

de

a re

mov

able

pan

el, t

o in

spec

t ph

ysic

al m

anag

emen

t sy

stem

s (e

.g.

met

al c

aps)

or

to r

etre

at w

here

a c

hem

ical

per

imet

er t

reat

men

t to

Au

stra

lian

Stan

dard

AS

3660

.1 h

as b

een

used

on

the

dwel

ling.

FIN

ISH

ING

BEF

ORE

FIX

ING

For

max

imum

ser

vice

abili

ty a

nd p

rote

ctio

n ag

ains

t w

eath

erin

g,

timbe

r dec

king

sho

uld

be p

rope

rly fi

nish

ed a

nd m

aint

aine

d. B

efor

e fix

ing,

the

follo

win

g sh

ould

be

appl

ied:

(i) F

or O

il Ba

sed

Stai

n Fi

nish

es(a

) Giv

e al

l fa

ces

and

edge

s of

dec

king

and

top

edg

e of

dec

k jo

ists

one

coa

t of w

ater

repe

llant

pre

serv

ativ

e su

ch a

s:*

10%

cop

per n

apht

hena

te in

a li

ght o

rgan

ic s

olve

nt.

* 20

% z

inc

naph

then

ate

in a

ligh

t org

anic

sol

vent

and

,

(b) T

he fi

rst c

oat o

f sta

in s

houl

d be

app

lied

all r

ound

to d

ecki

ng

and

to to

p ed

ge o

f dec

k jo

ists

bef

ore

layi

ng.

Not

e: S

ome

stai

ns m

ay n

ot b

e co

mpa

tible

with

wat

er r

epel

lant

pre

serv

ativ

es.

Seek

stai

n m

anuf

actu

rer’s

adv

ice

befo

re a

pply

ing

finis

h.

RECO

MM

ENDE

D PR

ACTI

CE //

FEBR

UARY

201

4

RESID

ENTIA

L TIM

BER D

ECKS

CL

OSE T

O OR O

N THE

GROU

ND

TECH

NICA

L DAT

A SH

EET

ISSU

ED B

Y TIM

BER Q

UEEN

SLAN

D

13

©TI

MBE

R Q

UEE

NSL

AN

D L

IMIT

ED T

ECH

NIC

AL

DAT

A S

HEE

T 13

RES

IDEN

TIA

L TI

MBE

R D

ECKS

CLO

SE T

O O

R O

N T

HE

GRO

UN

D R

evise

d Fe

brua

ry 2

014

Page

2

(ii) F

or A

cryl

ic S

tain

s an

d Pa

int F

inis

hes

All

face

s and

edg

es o

f dec

king

and

top

edge

of d

eck

jois

ts sh

ould

be

prim

ed w

ith a

goo

d qu

ality

woo

d pr

imer

, fol

low

ed b

y on

e co

at o

f th

e se

lect

ed d

ecki

ng p

aint

(as p

er th

e m

anuf

actu

rer’s

spec

ifica

tions

).

Not

e: P

ale

colo

urs a

re b

est,

dark

colo

urs c

an a

ccel

erat

e de

grad

e an

d de

cay.

(iii)

End

Seal

ing

All

cut

ends

sho

uld

be s

eale

d w

ith p

rese

rvat

ive,

sta

in o

r pr

imer

, de

pend

ing

on th

e fin

al c

oatin

g, p

rior t

o be

ing

fixed

in p

ositi

on.

CON

STRU

CTI

ON

A n

umbe

r of

met

hods

are

sui

tabl

e de

pend

ing

on t

he d

esig

n. F

or

very

low

dec

ks, “

bear

er le

ss c

onst

ruct

ion”

cou

ld b

e us

ed. i

.e. j

oist

s ar

e su

ppor

ted

on a

nai

ling

plat

e on

con

cret

e be

am w

alls

(re

fer

Figu

re 1

). Th

is m

etho

d is

acc

epta

ble

as lo

ng a

s th

e co

ncre

te d

oes

not i

nhib

it dr

aina

ge. L

ikew

ise,

tim

ber b

eare

rs c

ould

be

laid

dire

ctly

on

a w

ell d

rain

ed g

rave

l/san

d or

con

cret

e ba

se a

s lo

ng a

s th

ey a

re

of m

inim

um in

-gro

und

Dur

abili

ty C

lass

1 o

r H

5 tr

eate

d so

ftw

ood,

an

d ag

ain

do n

ot in

hibi

t the

dra

inag

e of

wat

er. A

pan

elis

ed d

ecki

ng

syst

em c

ould

be

used

to a

llow

for e

asy

mai

nten

ance

and

insp

ectio

n.

Due

to

the

prox

imity

to

the

grou

nd, v

entil

atio

n is

ver

y im

port

ant.

For t

his

reas

on, t

he p

erim

eter

of t

he d

eck

shou

ld b

e ke

pt o

pen.

For

deck

ing,

a m

inim

um s

paci

ng b

etw

een

boar

ds o

f 5

mm

is

reco

mm

ende

d.

FIX

ING

SA

ll bo

lts , s

crew

s, na

ils, b

rack

ets,

fram

ing

anch

ors a

nd o

ther

har

dwar

e sh

ould

be

hot

dipp

ed g

alva

nise

d or

sta

inle

ss s

teel

. Ele

ctro

plat

ed

fast

ener

s ar

e no

t sui

tabl

e du

e to

ear

ly b

reak

dow

n of

the

plat

ing.

For

reco

mm

ende

d m

inim

um n

ail s

ize

for

fixin

g th

e de

ckin

g re

fer

to T

able

1. E

ach

boar

d (o

ver

68 m

m w

ide)

sho

uld

be fi

xed

at e

very

jo

ist c

ross

ing

with

two

nails

. Nai

ls s

houl

d be

loca

ted

at le

ast 1

2 m

m

from

boa

rd e

dges

. The

end

s of

boa

rds

shou

ld b

e pr

edril

led

prio

r to

naili

ng to

avo

id s

plitt

ing.

Adj

acen

t nai

ls s

houl

d be

driv

en a

t slig

htly

op

posi

ng a

ngle

s. W

hen

bulle

t he

ad n

ails

are

use

d w

ith h

ardw

ood

or c

ypre

ss d

ecki

ng, t

hey

shou

ld b

e dr

iven

flus

h w

ith th

e su

rfac

e. D

o no

t pun

ch a

nd fi

ll.

Spec

ial N

ote:

Fi

xing

s with

in 1

met

re o

f poo

l sur

roun

d sh

ould

be

stai

nles

s ste

el o

r m

onel

met

al.

FIN

ISH

ING

AFT

ER IN

STA

LLAT

ION

Tim

ber

serv

icea

bilit

y is

enh

ance

d by

the

app

licat

ion

of a

sui

tabl

e fin

ish,

whe

ther

the

surf

ace

be s

awn

or d

ress

ed. T

he fi

nish

may

take

th

e fo

rm o

f a

clea

r ex

tern

al d

ecki

ng fi

nish

, a p

igm

ente

d oi

l bas

ed

stai

n, o

r a g

ood

qual

ity p

aint

sys

tem

. The

use

of t

he fi

nish

sho

uld

be

in a

ccor

danc

e w

ith th

e fin

ish

man

ufac

ture

r’s re

com

men

datio

ns. T

he

rete

ntio

n of

the

timbe

r’s o

rigin

al c

olou

r can

not b

e gu

aran

teed

with

th

e us

e of

a c

lear

fini

sh.

MA

INTE

NA

NCE

The

long

ter

m p

erfo

rman

ce o

f tim

ber

deck

ing

in w

eath

er e

xpos

ed

situ

atio

ns is

dep

enda

nt o

n re

gula

r an

d eff

ectiv

e m

aint

enan

ce. T

he

freq

uenc

y of

mai

nten

ance

will

dep

end

on th

e ty

pe o

f fini

sh a

nd th

e de

gree

of e

xpos

ure

to th

e w

eath

er.

Befo

re r

ecoa

ting,

the

dec

king

sho

uld

be t

horo

ughl

y cl

eane

d an

d th

e ga

ps b

etw

een

boar

ds, p

artic

ular

ly o

ver j

oist

s, cl

eare

d of

deb

ris.

Reco

atin

g sh

ould

be

carr

ied

out

in a

ccor

danc

e w

ith t

he fi

nish

m

anuf

actu

rer’s

spe

cific

atio

ns.

The

over

-wat

erin

g of

pot

pla

nts

stan

ding

on

timbe

r de

cks

shou

ld

be a

void

ed. I

t is

rec

omm

ende

d th

at p

ots

be p

lace

d in

drip

tra

ys

stan

ding

on

smal

l cle

ats.

Whe

re p

ossi

ble

deck

s sh

ould

be

broo

m/

blow

er c

lean

ed ra

ther

than

cle

aned

by

hosi

ng.

TAB

LE 1

- D

ECK

ING

Spec

ies

Min

. G

rade

Thic

knes

s (m

m)

Max

. Joi

st

Spac

ing

(mm

)

Nai

ling

Requ

irem

ents

(s

ee N

ote

#)

Har

dwoo

d

Stan

dard

G

rade

(A

S 27

96)

1950

050

x 2

.8 G

alv

Bulle

t Hea

d

2565

065

x 2

.8 G

alv

Bulle

t Hea

d

F17

(A

S 20

82)

3280

065

x 2

.8 G

alv

Bulle

t Hea

d

Cypr

ess*

Stan

dard

G

rade

(A

S 18

10)

2145

050

x 2

.8

Gal

v Fl

at H

ead

F5

(AS

2858

)34

700

65 x

2.8

Gal

v Bu

llet H

ead

Trea

ted

Pine

(H3)

Stan

dard

G

rade

(A

S 17

82)

2245

050

x 2

.8

Gal

v Fl

at H

ead

F7

(AS

2858

)

3575

065

x 3

.15

Gal

v Fl

at H

ead

or 7

5 m

m B

atte

n Sc

rew

4595

075

x 3

.15

Gal

v Fl

at H

ead

or 7

5 m

m B

atte

n Sc

rew

Not

es:

* Cyp

ress

cont

aini

ng sa

pwoo

d sh

ould

not

be

used

clo

ser t

han

250

mm

from

gr

ound

. Ref

er re

com

men

datio

ns in

AS

1810

.#

Whe

re j

oist

s ar

e tr

eate

d so

ftw

ood,

nai

ls s

hall

be d

efor

med

rin

g sh

ank,

or

alte

rnat

ivel

y sc

rew

s.Re

cent

co

mpa

rativ

e la

bora

tory

w

ithdr

awal

te

sts

carr

ied

out

by

Tim

ber

Que

ensl

and

on a

wid

e ra

nge

of c

omm

erci

ally

ava

ilabl

e m

achi

ne d

riven

nai

ls

indi

cate

d a

larg

e va

riatio

n in

mac

hine

nai

l with

draw

al re

sist

ance

. Ins

talle

rs o

f de

ckin

g sh

ould

ens

ure

that

mac

hine

nai

ls u

sed

have

equ

al o

r bet

ter w

ithdr

awal

re

sist

ance

than

the h

and

nails

giv

en a

bove

. Inst

alle

rs sh

ould

obt

ain

com

para

tive

with

draw

al in

form

atio

n fro

m n

ail s

uppl

iers

or c

ondu

ct co

mpa

rativ

e tria

ls (p

inch

ba

r) o

n te

st m

ater

ial b

efor

e us

ing

a pa

rtic

ular

mac

hine

nai

l.

Section 3 DECKING


TDS 13 - Residential Timber Decks Close to the Ground 3

©TI

MBE

R Q

UEE

NSL

AN

D L

IMIT

ED T

ECH

NIC

AL

DAT

A S

HEE

T 13

RES

IDEN

TIA

L TI

MBE

R D

ECKS

CLO

SE T

O O

R O

N T

HE

GRO

UN

D R

evise

d Fe

brua

ry 2

014

Page

3

Whi

lst e

very

effo

rt is

mad

e to

ens

ure

the

accu

racy

of a

dvic

e gi

ven,

Tim

ber Q

ueen

slan

d Li

mite

d ca

nnot

acc

ept l

iabi

lity

for l

oss o

r dam

age

aris

ing

from

the

use

of th

e in

form

atio

n su

pplie

d.

Phon

e (0

7) 3

254

1989

Fax

(0

7) 3

358

7999

PO B

ox 2

014,

For

titud

e Va

lley

BC Q

ld 4

006

adm

in@

timbe

rque

ensl

and.

com

.au

ww

w.t

imbe

rque

ensl

and.

com

.au

Tim

ber Q

ueen

slan

d Li

mit

edAC

N 0

92 6

86 7

56 |

ABN

50

092

686

756

500

Brun

swic

k St

reet

, For

titud

e Va

lley

Bris

bane

Que

ensl

and

4006

TAB

LE 2

- B

EARE

RS

Spec

ies

Stre

ss

Gra

de

Spac

ing

of

Bear

ers

to (m

)

Size

of B

eare

rs (m

m)

for s

pans

of

1.2

m1.

5 m

1.8

m

Cypr

ess

* F5

1.8

100

x 75

125

x 75

125

x 75

Trea

ted

Pine

(H

5)F7

1.8

90 x

70

120

x 70

120

x 70

Har

dwoo

dF1

41.

875

x 7

512

5 x

7512

5 x

75

Not

e: B

eare

rs ly

ing

dire

ctly

on

grou

nd: 7

5 x

100

(on

flat),

in-g

roun

d du

rabi

lity

Clas

s 1 o

r H5

trea

ted

soft

woo

d.

* Lim

it Sa

pwoo

d

TAB

LE 3

- JO

ISTS

Spec

ies

Stre

ss

Gra

de

Spac

ing

of Jo

ists

to

(mm

)

Size

of J

oist

s (m

m)

for s

pans

of

1.2

m1.

5 m

1.8

m

Cypr

ess

* F5

450

100

x 50

100

x 50

125

x 50

Trea

ted

Pine

(H

5)F7

450

90 x

45

120

x 45

120

x 45

Har

dwoo

dF1

445

075

x 5

010

0 x

5010

0 x

50

* Lim

it Sa

pwoo

d

SAFE

WO

RKIN

GW

orki

ng w

ith t

imbe

r pr

oduc

es d

ust

part

icle

s. Pr

otec

tion

of t

he

eyes

, nos

e an

d m

outh

whe

n sa

ndin

g, s

awin

g an

d pl

anin

g is

hig

hly

reco

mm

ende

d.

Refe

r to

to

ol

man

ufac

ture

rs

for

safe

w

orki

ng

reco

mm

enda

tions

for p

artic

ular

item

s of

equ

ipm

ent.

DIS

POSA

L O

F O

FFCU

TS A

ND

WA

STE

For a

ny tr

eate

d tim

ber,

do n

ot b

urn

offcu

ts o

r saw

dust

.

Pres

erva

tive

trea

ted

offcu

ts a

nd s

awdu

st s

houl

d be

dis

pose

d of

by

appr

oved

loca

l aut

horit

y m

etho

ds.

Simmonds DNA Lumber - Finlayson Timber and Hardware€¦ · Simmonds Decking and Screening 3...

Documents

Transcript of Simmonds DNA Lumber - Finlayson Timber and Hardware€¦ · Simmonds Decking and Screening 3...