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Heavy Duty Wall Wrap

INSULSARK is an extra heavy duty membrane which is designed for multi-purpose use as both roof sarking and wall wrap. Availalbe in waterproof and breathable variations, the reflective foil face on one side provides extra R-value when installed facing an air cavity. The other side is coated in an advanced anti-glare coating and INSULASARK is classified as a barrier to radiant heat, moisture ingress, draughts and dust penetration when installed as per AS 4200.2.



Easy to Use

INSULSARK is a high strength and ultra flexible product easily adaptable for wrap-around areas and varied surface types therefore quick and easy to install.

Anti-tear Strength

With ultra heavy duty foil and multi-layer woven construction, INSULSARK is able to withstand moderate wind and won’t tear of the building when under pressure.

High Durability

The poly woven reflective foil has an advanced coating with one side anti-glare meaning INSULASARK offers excellent resistance to delamination over time.

Proven in WA

Used widely for all applications in Western Australia, INSULSARK has proven on numerous projects statewide to withstand the harsh climate and elements.

BCA Compliant

INSULSARK has been tested in accordance with relevant Australian standards giving confidence to builders and contractors for suitability in all applications.

Water Resistant

The heavy duty facing material structure of INSULSARK sarking means there is no moisture ingress or break-down ensuring superior long term performance.

Protects the Building

During construction INSULSARK will help protect the building frame from the external elements helping to prevent onset of any degredation or corrosion.

Fire Resistant

Suitable for use in bushfire prone areas, INSULSARK has low indicies when tested in accordance with AS1530.2 meaning it is suitable for use in all classes of buildings.


INSULSARK Product Range






INSULSARK Heavy Duty Sarking, 1.35 x 60m Roll


1 Roll

ISB13560 INSULSARK Heavy Duty Breather, 1.35 x 60m Roll Stock 1 Roll
ITR4850 INSULTAPE 48mm Reinforced Foil Tape, 50m Roll Stock 1 Roll
ITR9650 INSULTAPE 96mm Reinforced Foil Tape, 50m Roll Stock 1 Roll


INSULSARK Technical Data

Test Item



Flammability Index AS 1530.2 Low <5
Strength / Duty AS 4200.1 Heavy Duty
Foil Emittance AS 4201.5  0.03
Anti-glare Emittance AS 4201.5 0.05
Reflectivity Actual 97%
Water Barrier AS 4201.4 High
Dry Delamination AS 4201.1 Pass
Wet Delamination AS 4201.2 Pass
Corrosion Resistance AS 4859.1 Pass



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