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Families from coast to coast enjoy thecharm and warmth of Western RedCedar. As a siding material, for decks,fences, arbors, and gazeboes, cedar isresistant to moisture, decay andinsects. Cedar provides unsurpasseddimensional stability and provides agreat substrate for many types oftoday’s stains and paints.

No “man-made,” product comesclose to cedar’s natural color andgrain, making cedar a great choiceto enhance both traditional andcontemporary home designs.

A hidden benefit of cedar is its uniquecell structure that traps pockets of airand boosts its insulation value and,in-turn, reduces the homeowner’sheating and cooling costs. Think ofit - a product that, with care, can lastforever, gains beauty over time, andreduces energy bills.

Lazy S Lumber and Columbia Cedaroffer a wide choice of siding designsand grades that will be just right forany home and budget. Each sidingstyle offers a variety of distinctivedecorative effects. Cedar makes ahome stand out, while increasing itsvalue and salability. Change thecolor, or leave it natural, cedarallows the choice.

For home additions, there’s no need toreplace large faded areas like plasticsidings require. Western Red Cedarsiding looks wonderful on formalhomes, while it also has the casuallook that shows off the charmof suburban homes, offices,cottages, and cabins.

Western Red Cedar offersyou a wide range of choices,and all of them are natural.

IntroducingTight-Knot Western Red CedarWhy Choose Cedar

Be sure to acclimate the siding beforeinstallation. The time required dependson your local humidity. Kiln-dried cedar needs seven to tendays to acclimate at the job site.

❶ Stack two boards of siding faceto face. ❷ Use scrap wood to getthe boards off the ground and sep-arate them allowing air to freelycirculate throughout the siding.

A professional siding installer cantell you about the many finishesavailable for cedar siding. WesternRed Cedar takes oil-based stainsbeautifully and may be applied witha light-tinted, transparent finish fora natural effect. A pigmented, semi-transparent finish produces a less-rustic look. Solid colors appliedover natural or “pre-primed” cedar,using a 100% acrylic latex paint,will create a smooth finish. Alkyd oilprimers with mildew and ultravioletshielding properties ensure the bestresults. Varnishes and other film-forming coatings may crack andpeel over time.

Pre-primed and factory-primed cedarwill reduce construction time by days,weeks, or even months. Look for a com-pany that seals all surfaces of the boardswith an alkyd oil-base prime coat, so thatthe siding is ready for installation andfinal finishing at the job site.

Factory-finished siding is machine-brushed, uniformly painted with a topcoat of acrylic latex, and applied to allexposed surfaces. This forms a seal thatkeeps out potential weather damage.Ask your building supply dealer about15-year warranty plans.

Factory finished or stained at thework site, cedar will give any homea look of distinction.

A high-quality, printed, brochure is available by contacting us. © Copyright 2007 Lazy S Lumber.

503-632-3550www.LazySLumber.com

509-738-4711www.ColumbiaCedar.com

Drying & FinishingTight-Knot Western Red Cedar

❺ Before installing bevel siding, makesure the number of boards between thesoffit and the foundation are evenlyspaced. Trim the top board if needed.Leave a 1/8” air space between coursesto set the siding in a perfect position.This will also allow the cedar to contractand expand. NEVER nail butt and tiptogether. See close-up detail.

Start the installation with the bottomcourse. Space nails at a maximum of24” on center and ❹ make sure nailspenetrate 11/2” into solid wood.

See “Fitting & Joints” for neededinstructions regarding nailing, staggering, and weather proofing sidingjoints and ends.

❶ Stud❷ Sheathing❸ Building Paper




InstallingTight-Knot Western Red CedarRabbeted Bevel Siding

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❺ Before installing bevel siding, makesure the number of boards between thesoffit and the foundation are evenlyspaced. Trim the top board if needed.Allow a minimum overlap of not lessthan 3/4” and never more than 11/4”.NEVER nail butt and tip together.See close-up detail.

Start the installation with the bottomcourse, using blocks to get the siding ata proper angle. Space nails at a maxi-mum of 24” on center and ❹ make surenails penetrate 11/2” into solid wood.See close-up detail.

Leave a small gap between the nails ofone course and the siding below. Thisallows cedar to contract and expand.See close-up detail.

See “Fitting & Joints” for neededinstructions regarding nailing, staggering, and weather proofing sidingjoints and ends.





InstallingTight-Knot Western Red CedarBevel Siding

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Tongue and groove siding can beinstalled horizontally or vertically.For horizontal applications, start at thebottom and work up with the groovededges facing downward. ❺ Siding up tosix inches wide should be toe-nailedthrough the base of each tongue toallow the groove of the next piece to slipover it. Do not drive nails straight in.For windy conditions, outdoor sidingshould be face-nailed using two nails.

Ceiling applications should benailed to joists at a maximum of 24”on center.

❹ Make sure nails penetrate 11/2” intosolid wood. For vertical applications,start at one corner with grooved edgetowards your left. Make sure that thefirst board is installed correctly byusing a vertical plumb line or a level.You may have to trim the grooved edgeof the first board to ensure a flush fit.Siding is nailed to horizontal blockinglines installed between studs or to fur-ring strips. Pieces up to six inches canbe blind-nailed while wider pieces, andwhere conditions are windy, should beface-nailed as described above .





InstallingTight-Knot Western Red CedarTongue & Groove Siding

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Vertically applied channel siding,up to six inches wide, can be attachedwith one face-nail into furring strips orstuds. Wider siding or applications inwindy areas, should be face-nailed usingtwo nails. Make sure that the first boardis installed correctly by using a verticalplumb line or a level. ❹ You may haveto trim the edges of the first and lastboards to ensure a tight-flush fit andeven looking finish.

Start at one corner with the channeledge towards your right. ❺ Nail thesiding to horizontal blocking linesinstalled between studs or to furringstrips. See close-up detail. Make surenails penetrate 11/2” into solid woodand face-nail only. Fasteners shouldbe spread far enough apart betweeneach channel piece to allow them tocontract and expand independently;avoid nailing channels together.

For horizontal applications, use pattern105. Start at the bottom and work upwith the channel tongue facing upwardand nail as described above.





InstallingTight-Knot Western Red CedarChannel Siding

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❹ Butt-joints between boards shouldbe mitered and placed over studs. Fitthem snugly to other pieces, to trim andto flashing. All ends should be caulked.See close-up detail. Note the 1/8” air space.

❶ Stud/Wall Framing❷ Sheathing❸ Building Paper




InstallingTight-Knot Western Red CedarFitting & Joints

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Proper wall construction and sidinginstallation are required to preventwater from seeping behind the sidinginto wall and roof spaces. Where theroof meets the siding and trim, alwaysuse flashing.

Flashing is meant to direct water awayfrom walls.

❷ Keep trim and siding a minimum of1” above the roof to avoid wicking.

❶ This photograph shows a metal roofmeeting the siding. Note that the metalroof is bent up to go behind the siding.For shingle roofing, the flashing goesbehind the siding to allow water todrain on top of the shingles.

Flash above doors and windows andwhere different building and finishingmaterials meet. Tilt flashing so waterdrains away from the wall. Do notcaulk where flashing and trim meet.Never use caulking in lieu of flashing.

For ground-floor skirtboards applica-tions, flash above the skirtboards andkeep the board off the ground at least6”. For second-floor applications,flash above and below windows andbandboards.

Flash fascia boards to prevent waterfrom getting underneath roofing shingles or behind soffits and fasciaboards.




InstallingTight-Knot Western Red CedarFlashing

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NailsUse only hot-dipped galvanized,stainless steel, or aluminum nails, asrecommended by ASTM A 153. Thesenail types are resistant to corrosion andare compatible with Western Red Cedar.Other types of fasteners, like copper, cancause stains and streaks in the siding.Stainless steel nails are best. If the sidingis to be finished with a transparent orsemi-transparent stain, use No. 304stainless steel nails. For seacoast expo-sures, use No. 316 nails.

Nail Type, Size & SpacingSplitless siding nails have thin shanksand blunt points to reduce the risk ofsplitting the siding. For greater hold,nails with ring or spiral threaded shanksshould be used. Nails with texturedheads reduce any glossy appearancewhen finishing. ❶ Shows recom-mended nail types.

Nails should be driven with care. Heavynailing can distort the wood and maycause splitting. If a nail is counter sunk,fill hole with an outdoor putty that canbe stained or painted. To reduce split-ting, pre-drill holes at mitered corners,near edges, and at ends.

Appropriate nail size depends on the typeand thickness of the siding application.Use nails that are long enough to gothrough sheathing and insulation andpenetrate at least 11/2” into solid wood.❷ Indicates minimum nail lengths forfastening various thicknesses of cedarsiding over wood sheathing. Sidingmust always be nailed on studs.

Wall ConstructionWestern Red Cedar siding should only beinstalled properly on suitable framing.Housewrap or permeable building paperwill help insure that the siding has a long life.

Cedar siding must be nailed to framing,furring members, or to blocking betweenframing members. ❸ Shows lumbersizes and spacing for blocking andfurring strips.

Siding should be fastened to each studor furring strip with nails spaced at amaximum of 24” on center.

Nail placement depends on the sidingpattern and width. Fasten the sidingsecurely, allowing each piece to movein response to the moisture in the air. Avoid restricting the natural movementof each piece to prevent splitting.

SidingType

ShanksRing Spiral

Heads

Textured

Bevel

Boards, T&Gand Channel

Battens for Boardand Batten

5/8”3/4”7/8”

5/4”

SidingThickness

1/2”5/8”3/4”7/16” to 15/16”5/4” Rabbeted

Nail-Typeand LengthRing orSpiral Shank

2” 6d2” 6d21/4” 7d3” 10d3” 10d

2” 6d2” 6d21/4” 7d

3” 10d

For applications over foam sheathing, add the thicknessof the foam to the tabulated nail length.

Furring must be securely fastened to studs*Can be used in moist and severe climates to form an air space between

siding and sheathing

Blocking

Furring OverPlywood/OBSSheathing*

Furring OverMasonry Walls

1”x 2”

2”x 2”

MinimumLumber Size

2”x 2”

MaximumCenter-to-CenterSpacing

24”

24”

24”




InstallingTight-Knot Western Red CedarNail Types & Wall Construction

11/16 Tongue & Groove STK PanelingNormal Thickness Width Face Bf factor*1 X 4” 11/16” 3 3/8” 3” 1.331 X 6” 11/16” 5 3/8” 5” 1.201 X 8” 11/16” 7 3/8” 7” 1.19

Green & Kiln-Dry STK Channel Rustic SidingNormal Thickness Width grn Width kd Bf factor*1 X 6” 11/16” 5 1/2” 5 3/8” 1.271 X 8” 11/16” 7 3/8” 7 1/8” 1.211 X 10” 11/16” 9 3/8” 9 1/8” 1.16

5/8 STK Bevel Siding Plain Butt

Normal Tip Butt Width Bf factor*1 X 6” 1/8” 9/16” 5 1/4” 1.331 X 8” 1/8” 9/16” 7 1/4” 1.23

11/16 STK Bevel Siding Plain and Rabbeted

Normal Tip Butt Width Bf factor*11/16 X 6” 1/8” 11/16” 5 1/4” 1.3311/16 X 8” 1/8” 11/16” 7 1/4” 1.2311/16 X 10” 1/8” 11/16” 9 1/4” 1.18

3/4 STK Bevel Siding Plain and Rabbeted

Normal Tip Butt Width Bf factor*3/4 X 6” 3/16” 3/4” 5 1/4” 1.333/4 X 8” 3/16” 3/4” 7 1/4” 1.233/4 X 10” 3/16” 3/4” 9 1/4” 1.18

5/4 STK Bevel Siding Rabbeted

Normal Tip Butt Width Bf factor*1 X 6” 1/4” 1 1/32” 5 1/4” 1.331 X 8” 1/4” 1 1/32” 7 1/4” 1.231 X 10” 1/4” 1 1/32” 9 1/4” 1.18




Be sure to acclimate the siding beforeinstallation. The time required dependson your local humidity. Kiln-dried cedarneeds seven to ten days to acclimate atthe job site.

Western Red Cedar siding shouldonly be installed properly on suitableframing. Housewrap or permeablebuilding paper will help insure sidinghas a long life. Cedar siding must benailed to framing, furring members, orto blocking between framing members.

To calculate the siding needed, multi-ply all walls by their length times theirheight. Subtract the square footage ofall window and door openings.Multiply the above numbers by the(Bf) board-foot factor shown in thisguide*. Lastly, add ten percent toallow for trim.

ProductsTight-Knot Western Red CedarSpecifications

T&G Paneling 3” face 1 x 4”



Channel Rustic 1 x 6”



Bevel Siding 1 x 6”











S1S2E 1 x 4”

S1S2E 1 x 6”

S1S2E 1 x 8”

S1S2E 1 x 12”

Green & Kiln-DrySTK Channel Rustic Siding

5/8 STK Bevel SidingPlain Butt

11/16 STK Bevel SidingPlain and Rabbeted

3/4 STK Bevel SidingPlain and Rabbeted

5/4 STK Bevel SidingRabbeted

S1S2E 8’ to 20’Random Lengths

11/16 Tongue & GroovePaneling




ProductsTight-Knot Western Red CedarProfiles

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