Brane® VHP

Next-generation Class 4 Vapour Permeable
wall wrap

Brane VHP Hero

Features and Benefits

Bushfire Attack Levels

Ametalin Brane® VHP is suitable for use in wall systems BAL – LOW to BAL – FZ to comply with AS 3959—2009 Construction of buildings in bushfire prone areas.

Product Videos


Watch our VapourTech Brane VHP Highlight video which talks about the benefits of this next-generation Class 4 Vapour Permeable wall wrap.


Watch our VapourTech Brane VHP 2.74m Install video which talks you through some tips and tricks for installing the VapourTech Brane VHP wall wrap.

Product Details

Product CodeDutyThicknessWidthLengthArea per roll
VHP-41Light Wall0.38 mm1370 m30 m41 m²
VHP-45Light Wall0.38 mm1500 m30 m45 m²
VHP-82Light Wall0.38 mm2740 m30 m82 m²
  • Wall wrap behind fibre cement & timber cladding in most Australian climates – NCC Zones 2-8.*
  • Wall wrap in typical brick veneer & double brick walls

*NOTE: Please check cladding manufacturer’s requirements before installation. Brane® VHP is NOT recommended for this application in the humid tropics – NCC Climate Zone 1 and regions north of the Tropic of Capricorn in Climate Zone 2; for these regions, Class 2 Vapour Barriers including Ametalin ThermalBreak range, SilverSark® xR and SilverWrap™ are recommended instead.

Lightweight CladdingWinterSummer
One layer of Brane® VHP + R2.6 Fibrous Batt RT 3.1 RT 2.8
Brick Veneer Wall
One layer of Brane® VHP + R2.6 Fibrous Batt RT 3.3 RT 3.0

When specifying, state the following:

Product Name: Brane® VHP
The pliable building membrane to be installed shall be Brane® VHP very high permeance wall wrap. Product is manufactured by Ametalin and shall be installed in accordance with AS 4200.2:2017 Pliable Building Membranes and UnderlaysPart 2: Installation Requirements.

The pliable building membrane to be installed shall be Brane® VHP very high permeance wall wrap. Product is manufactured by Ametalin and shall be installed in accordance with AS 4200.2:2017 Pliable Building Membranes and UnderlaysPart 2: Installation Requirements.

Flammability Index: Low ≤ 5
Duty: Light Wall in accordance with AS/NSZ 4200.1:2017
Vapour Control: Class 4 Vapour Permeable
Vapour Permeability: 12.8484 µg/m²·24 hr
Water Control: Water Barrier
Emittance Plain Side: 0.42  Emittance Printed Side: 0.42
Emittance Classification: IR Non-reflective, IR Non-reflective
Category: NN