ProctorWrap HTR vapour permeable roof underlay is a UV‑stabilised, 3‑ply spun‑bonded polyolefin membrane engineered for roof underlays and high‑wind wall applications. It offers robust tear resistance and reliable weather protection.

• This vapour permeable roof underlay is suitable for metal sheet, cement, terracotta and slate tiled roofs
• Can be used in higher wind load wall applications
• Suitable for use in Australian residential and commercial roofing applications
• This non-reflective vapour permeable is used to reduce the risk of condensation in the roof space and avoid problems such as mould, timber rot, corrosion and loss of thermal resistance
• Complies with AS/NZS 4200.1:2017 as a medium duty membrane
• Class 4 high vapour permeance for excellent moisture control
• High water resistance to protect framing during construction
• 3-ply spun bonded polyolefin membrane
• Reinforcement scrim bonded together using a laminating adhesive
• Suitable for BAL zones 12.5 to 40 in accordance with AS 3959
• This roof underlay is made in Australia

This vapour permeable roof underlay exceeds NCC deemed to satisfy condensation management provisions. ProctorWrap HTR must be installed with the printed surface facing outwards. Explore Bowens range of roof insulation products for more options.