VapourTech® RWC Roof Wall Commercial

VapourTech® RWC Roof Wall Commercial can be used in Australian climate zones 2 to 8 as a:
> Sarking under tile, steel, and slate roofs
> Wall wrap behind fibre cement, timber, hebel and brick veneer systems in Australian climate zones 2 to 8.

NOTE: For ABCB Climate Zone 1 and north of The Tropic of Capricorn in Climate Zone 2, substitute VapourTech® RWC Roof Wall Commercial with a Class 1 or Class 2 Vapour Barrier such as SilverSark®, SilverSark® HVB or SilverSark® xR.

If installed over battens in roofs, condensation can still occur on the underside of product, install drainage battens to avoid contact and separate the product from the steel roof, pull tight to allow for adequate drainage of pooled or trapped water.

If installed in a wall behind non-absorbent claddings such as steel, provision should be given for adequate drainage of any trapped moisture.

When specifying, state the following:
Product Name: VapourTech® RWC Roof Wall Commercial

The pliable building membrane to be installed shall be VapourTech® RWC Roof Wall Commercial, very high permeance roof sarking and wall wrap and shall be installed in accordance with AS 4200.2: 2017 Pliable Building Membranes and Underlays, Part 2: Installation.

Emittance Value: 0.9, 0.9
Emittance Classification: IR Non-Reflective, IR Non-Reflective
Vapour Permeance: 3.764 ug/N.s
Vapour Control Classification: Class 4 Vapour Permeable
Water Control Classification: Water Barrier
Air Control Classification: Air Barrier
Flammability Classification: Low (≤5)
Duty Classification: Medium in accordance with AS/NZS 4200.1:2017

VapourTech® RWC Roof Wall Commercial - Technical Data Sheet (PDF)