Ventilated Facades · 2020-01-10 · Ventilated facades are the most preferred facade cladding...

Ventilated Facades

Ventilated facades are the most

preferred facade cladding systems

for visual improvement of buildings.

Ventilated facades which can be

referredas “architectural works”

in terms of design are mounted

on the columns and floors with

carcass systems and they are used

over stone wool which is Class A1

fireproof material.

Ventilated facades are classified

as 2 different groups depending

on the weight of the panels

used on the facade. The system

consisting of panels with a weight

of more than 100 kg/m² is called

“Heavy Suspended Ventilated

Facades” and systems with panels

smaller than 100 kg/m² are called

“Lightweight Suspended Ventilated

Facades”. Aluminum composite,

ceramic, glass, precast coating are

used on the outer surface of the

ventilated facades.

BONUS Stone Wool is the most

important detail solution in the

design of heat and fire insulation of

ventilated facades.

In addition to providing the best

thermal insulation performance

with its thermal conductivity

coefficient of 0.033 W/mK, it is the

highest quality insulation material

used in fire insulation of facades

due to the fact that it is Class A1

fireproof material.

Thanks to its mineral fiber

structure, BONUS Stone Wool

provides permanent ventilation

for the building facade. In this

way, the humid air in the interior

passes through the thermal

insulation layer, preventing the

formation of condensation in the

building elements. Its water vapor

permeability resistance is 1.

Ventilated Facades

V E N T I L A T E D F A C A D E S

1

As an important point regarding

the ventilated facades, there is a

ventilation gap between the insulation

surface mounted on the outer wall

and the facade.

The purpose of this air gap is to

remove the moisture from the outer

coating and to keep the facade dry.

The airflow in the facade occurs

from the bottom upwards. In order

to provide air intake, the air entering

through the air inlet openings formed

in the lower parts of the facade

takes the moisture from the facade

and directs it upwards from here.

It is ensured that the moist air is

discharged from the openings

designed so as not to be affected by

external factors such as the rain water

entrance.

BONUS Stone Wool should

completely cover the application

surface. No air gaps should be left

between the boards. It should be

mounted on the facade profiles and

mechanically fixed to the building. For

this fixation, special stone wool dowel

with steel stud should be used. The

fixed boards should not move during

the lifecycle of the building. There

should not be any deformation or

degradation in terms of width, length

and thickness dimensions which may

cause heat transfer bridge and air

circulation between the boards.

If the thermal insulation board used

for insulation does not meet the

dimensional stability mentioned

above, it creates small air vortices

in the areas where the gaps exist

and causes the airflow from bottom

upwards to be interrupted. This

reduces the efficiency of insulation

and does not remove the moisture

from the area.

BONUS Stone Wool used on the

exterior facade for heat, fire, sound

and moisture insulation should be

covered with fiberglass against the

high wind force in the ventilation gap

and also against the water that may

leak from the facade.

It is important to protect the stone

wool from the rain during and after the

mounting of the boards. Precautions

should be taken against water from

parapets. BONUS Stone Wool should

be mounted in a way that it does

not create any gaps with the carrier

profiles and it must be mechanically

fixed by framing method.

2

The air flow occurringin the ventilation gapbetween Glass Veil

Coated BONUS Stone Wool and outer

coating surface

Glass Veil CoatedBONUS Stone Wool

Glass Veil coating used forprotection against wind and

water leakage

Building Wall Surface is thestructural element on whichthe insulation board and the

carrier system are fixed.

3


VENTILATED FACADE SYSTEMSSTRUCTURAL ELEMENTS

Surface / Wall

It is the structural element that

protects the building against the

external environment. There are

different types of walls. It consists of

structural elements such as exposed

concrete, brick, hollow brick, aerated

concrete, pumice concrete.

Carrier System

It is a complete set of horizontal/

vertical wood or metal profiles

mounted between the facade wall

and the final covering surface.

Thermal Insulation

It is a thermal insulation board which

is mechanically fixed to the wall by

placing between the metal profiles or

is attached to the wall with mechanical

fixing elements. Glass veil coated

BONUS Stone Wool with A1 fire

resistance performance should be

used as thermal insulation board.

The board must remain fixed over the

lifecycle of the building, maintainin its

volume dimensions.

Air gaps may occur between the

insulating board and the wall and, if

there are different insulation board

layers, the gaps between these layers

should be avoided.

Insulation surface must be covered

with glass veil for protection against

wind.

The thermal insulation board thickness

should be calculated according to TS

825 standard.

Ventilation Gap

It is the space between the facade

element and the stone wool

insulation. It is the part of the building

that removes the moisture and

possible rain leakage from the areas

sensitive to humidity. The ventilation

gap must be determined in the project

and should be a minimum of 25 mm.

In this gap, there should not be any

external residues such as lath or

mortar remains.

Exterior Cladding

The durable materials applied to the

outer surface of the wall such as wood

based panels, precast, fiber cement,

concrete, stone, ceramic, metal,

aluminum composite, plastic, laminate

and bricks.

Additional Materials

Carrier elements are the materials

required for fixing the thermal

insulation boards.

4


BONUS Stone Wool Gold / Gold Plus

BONUS Stone Wool Premium R / Premium R150

Brick / Aerated Concrete / Reinforced Concrete Wall

Floor Covering

Mortar

Protective Concrete

Seperator Layer

Waterproofing

Moisture Barrier

Leveling Concrete

Reinforced ConcreteCeiling Plaster

Facade Coating

Ventilation Gap

Interior Plaster

Natural Convection

Natural convection is a mechanism that

is created by the density difference in

air caused by temperature gradients

where the air movement is not

produced by any external source such

as wind.

In natural convection, the air

surrounding a heat source takes heat

from the source, its density decreases

and it rises. The cooling air in the

environment then moves to replace

this air. This cooling air then heats up

again and the process continues by

creating a convection current. This

process transmits energy from the

bottom to the top. The driving force

for natural convection is the lifting

force resulting from the differences in

air density.

Forced Convection

Forced convection is the effect of heat

dissipation on the building facade due

to pressure differences. Wind plays

an important role in energy efficiency.

The air flow around the building

depends on the pressure differences

on the structure, the air-tightness

of the structure and the thermal

insulation.

Moisture Transfer

The presence of air pores in the

structure or in any part of the

construction does not pose any

problems. However, if moisture

travels through thepores, it can cause

negative effects. Humid air in motion

can drag the moisture towards the

parts that will cause condensation.

When the air with high energy passes

to the cold areas with low energy,

it may cause condensation due

to temperature differences in the

structure.

Transport is a kind of heat transfer

between the building surface and air.

In moisture transport, the water vapor

content in the air moves within the air

passing through the structure. As the

air passes from a warmer area to a

cooler area, water vapor in the air can

condense on cold surfaces.

If the air goes from a cold area to a hot

area, condensation does not occur.

Prevention of condensation due to

cold and temperature differences is

provided by having low temperature

differences on the exterior

facade of the building. Insulation

thickness should be increased if

the condensation is found in TS

825 calculations. Thermal insulation

thickness is the most important factor

here. If the differencebetween the

indoor air temperature and the inner

wall surface temperature exceeds

3°C, the water will begin to condense

on the cold surface resulting with

mold growth.

Ventilated FacadeMechanism

6


For ventilated facades, glass veil

coated or unfaced coated Class A1

fireproof BONUS Stone Wool with

0.033 W/mK thermal conductivity

coefficient which enables the

building to be ventilated by allowing

air flow must be used.

It is important that the thermal

insulation is protected from

internal moisture and external

humidity. Moisture transferred

from the hot area to the cooler

area can be condensed on cold

surfaces. Therefore, the wall should

be designed to easily remove

excess moisture from the wall.

The fiberglass coating used for

wind protection must also have

a sufficiently high vapor passage

specification to prevent water

vapor condensation.

The thermal insulation board

used should be able to protect its

dimensions without ant loss during

the lifecycle of the building.

Important Notes

7

Why chooseBONUS Stone Wool?

Stone wool is a non-flammable

thermal insulation material that

serves many purposes.

Stone wool is one of the most widely

used thermal insulation materials in

many countries around the world.

BONUS Stone Wool provides a high

level of thermal and sound insulation

properties and is a high fire resistance

level insulation material. In addition

to construction, rock wool is a highly

demanded product for the insulation

needed in areas such as ship

industry and nuclear power plants, it

is an insulation material which meets

many different requirements at once.

Provides Excellent Fire

Resistance in Buildings

Main material of BONUS Stone

Wool is basalt rock. Therefore, it

can be used as thermal insulation

material in applications requiring

very high performance. Almost all

kinds of mineral wool are classified

as fireproof material, but BONUS

Stone Wool has an exceptionally

high melting temperature of

around 1000°C and provides longer

protection. Therefore, it not only

contributes to the fire resistance but

also offers a fire-resistant thermal

insulation solution.

BONUS Stone Wool products are

classified as the highest fire response

Class A1.

The unique fire resistance

characteristics of the BONUS Stone

Wool can be used as a fire insulation

in construction or as a structural

protective coating. In buildings

insulated with BONUS Stone Wool,

the spread of fire is delayed or

completely prevented.

The right product guarantees

the best results.

Among all mineral wool, stone wool

has the best alkali resistance. This is

especially important in manufacturing

with cement and lime based mortars

in facade systems.

Yapı Ömrü Boyunca

Insulation Material that

Keeps its Performance

throughout the Building

Lifecycle

BONUS Stone Wool continues

to protect its thermal insulation

properties throughout the lifecycle

of the building. It is a chemically

resistant material with strong

resistance to organic oils, solvents

and alkali substances.

8

BONUS Stone Wool is the

product with the highest quality

when it comes to fire and

moisture protection.

With BONUS Stone Wool, protection against moisture

is increased in the insulated

building. BONUS Stone Wool is water repellent and it dries

quickly even when exposed

to water due to its high vapor

permeability.

BONUS Stone Wool is not

flammable, therefore it is

classified in the highest Euro

Class A1.


1200

Temperature 0C

1000

800

600

400

200

0 30 60 90 120 150 180 210 240

0

Melting of Glass Materials

Bonus Stone Wool continues toprotect insulated surfaces from fire

Melting of Plastic Materials

Ignition of Wood Materials

9

Dimensionally Stable

BONUS Stone Wool does not shrink

or expand even if there are significant

changes in temperature or humidity.

Therefore, cracks do not occur in the

joints of the boards. The risk of heat

leakage and moisture condensation is

avoided.

Prevents Humidity

BONUS Stone Wool does not absorb

or accumulate moisture in a capillary

manner by providing rapid evaporation

in buildings. A building insulated with

BONUS Stone Wool remains dry and

guarantees healthy indoor air quality

and building lifecycle.

Efficient Sound Insulation

Thanks to its porous fibrous structure,

BONUS Stone Wool provides

excellent sound insulation for walls,

roofs, intermediate compartments,

mezzanines, acoustic ceilings,

mechanical rooms in short, in any

living area of the building.

Sustainable

BONUS Stone Wool continues to

perform its duty throughout the

lifecycle of the building. Stone wool

is an extremely durable insulating

material that has been proven to

provide significant energy savings

fire protection and excellent sound

insulation properties for a large

number of applications. Stone wool

does not contain any components or

chemicals that prevent its recycling.

BONUS Stone Wool and

Indoor Air Quality

BONUS Stone Wool is a very clean

material and is therefore the best

insulation material for homes made for

people with allergies and respiratory

diseases. It does not pollute the air,

it provides continuous air freshness

thanks to its ventilating structure. It

has RoHS certificate.

BONUS Insulation - The

Good Insulation

BONUS Insulation, which has given

its name to the leading brands in

the insulation sector, offers various

detail solutions at every stage of the

projects with its technically equipped

team. BONUS Insulation is a specialist

in the sector with the collaboration

strength of the best organizations in

their fields.

10


Ventilated FacadeSolutions

Solutions for ventilated facades

are recommended based on

the type of building. Solutions

for individual dwellings, multi-

storey buildings and industrial

buildings are designed in terms of

architecture.

When creating solutions for

ventilated facades, thermal

transmittance coefficient U values,

fire requirements, air and wind

loads should be calculated and

chosen and designed in a way to

prevent moisture condensation

with in the building. Precautions

should be taken against thermal

bridges originating from the

building structure, especially in

cold climates.

The carrier system of the metal

profiles is formed by means of

fixing on the wall materials such as

exposed concrete, brick, aerated

concrete and pumice block.

BONUS Stone Wool, which is

covered with fiberglass on one

side in the range of 70 - 90 kg/m³

is mounted between the carrier

system profiles. Then it should be

fixed with steel studs. A minimum

of 25 mm of ventilation gap should

be left between the outer surface

of the stone wool board and the

exterior cladding.

After leaving the ventilation gap

between the preferred exterior

cladding material and the insulation

material, the exterior cladding

is terminated by mounting with

special equipment. Air inlet and

air outlet openings should be

designed in such a way that the air

enters from below and exits above

in the exterior facade.

The thickness of the BONUS Stone

Wool board should be calculated

according to TS825 standards.

The superior thermal insulation

performance of the BONUS Stone

Wool offers the ideal solution

for detail solutions. BONUS

Stone Wool provides a unique,

superior performance with a

thermal conductivity coefficient of

0.033 W/ mK.

With the effect of the air flow on high-rise ventilated facades, the fire moves very fast. It may result in the entire facade

being burned. In order to prevent the fire from spreading to the upper floors, it is necessary to create a fire compartment.

The fire compartment in the ventilated curtain wall facade should be made with intumescent material. The intumescent

material will swell up by the heat effect of the fire and cut the upward air flow.

Bonus Stone Wool

Bonus Stone Wool

Pinned sheet

metal board or

fire proof sliding

material

Intumescent Material

Exterior Cladding

Exposed Concrete

Exposed Concrete

Ventilated Facade

Bonus Stone Wool

Pinned sheet metal board or fire proof

sliding material

Stone wool on ventilated curtain walls - intumescent material usage details

Stone wool usage details in curtain walls (Buildings without sprinkler system)

Stone wool usage details in ventilated facades (Buildings with sprinkler system)

Note: In this detail, it is recommended to use the Bonus Stone Wool at a density of 150 kg/m3 with the

relevant regulatory specifications.11

Horizontal Ventilated Facade System

1

1

2

2

3

3

4

4

5

5

Carrier Structure (Concrete, brick, aerated concrete etc.)

Metal Carcass


Ventilation Gap BONUS Stone Wool Gold / Gold Plus

Exterior Cladding Material (Ceramic coating, marble coating, stone coating,

fiber cement coating, metal coating)

12

1

2

3

4

5

1

2

3

4

5

Carrier Structure (Concrete, brick, aerated concrete etc.)

Metal Carcass


Ventilation Gap

Exterior Cladding Material (Composite)

Vertical Ventilated Facade System

13

Brick Coated Masonry Wall System

1

2

3

4

1

2

3

4

Carrier Structure (Concrete, Brick, Aerated Concrete etc.)


Ventilation Gap

Exterior Cladding Material (Brick)

14

Metal Ventilated Facade System

1

1

2

2

3

3

4

4

5

5

6

6

Metal Board

Moisture Barrier

Metal Carcass


Ventilation Gap

Metal Exterior Cladding Material

15

Metal Ventilated Facade System

1

24

3

5

1

2

3

4

5

Carrier Structure

Metal Carcass


Ventilation Gap

Metal Exterior Cladding Material

16

BONUS STONE WOOL GOLD / GOLD PLUS

Technical Specifications

Insulation board used in aluminum, PVC, granite, marble and glass

cladding systems, double wall insulation and metal construction

insulation systems.

ISO 9001

Product TypeDensity Thickness

Width x Length

Thermal Conductivity Coefficient *

Thickness Class

Compressive Strength

Normal Tensile Strength

kg/m3 mm mm x mm W/mK kPa kPa

GOLD

50 40 - 120 600 X 1200 0,033 T4Not

ApplicableNot Applicable

GOLD BLACK

GOLD YELLOW

GOLD ALU

GOLD PLUS 70

70 30 - 120 600 X 1200 0,033 T4Not

ApplicableNot ApplicableGOLD PLUS BLACK

GOLD PLUS YELLOW

GOLD PLUS 9090 30 - 120 600 X 1200 0,033 T4

Not Applicable

Not ApplicableGOLD PLUS BLACK

17

ISO 14001

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RÖNESANS BİZ KÜÇÜKYALI OFİSPARK

MAİ RESIDENCE

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İSTWEST

NEXT LEVEL

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ANTTERAS

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Ventilated Facades · 2020-01-10 · Ventilated facades are the most preferred facade cladding...

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Transcript of Ventilated Facades · 2020-01-10 · Ventilated facades are the most preferred facade cladding...