A Proctor Group Wraptite External Air Tightness Barrier Membrane – 50m X 1.5m Roll

Airtight and vapour permeable, this Wraptite External Air Tightness Barrier is a self-adhesive and easy to install membrane. It is typically fitted outside the services zone, in turn minimising the possibility of air barrier penetrations.

This lightweight product can be used to form a full wall and roof airtight envelope. In addition to offering an airtight seal, the self-adhered backing provides resistance against water penetration, dust, air infiltration, and wind resistance. It can also adhere to numerous substrates such as concrete, steel, and sheathing boards without the need for a primer.

Features & Benefits: A Proctor Group Wraptite External Air Tightness Barrier Membrane – 50m x 1.5m Roll

• Self-adhering backing
• Airtight yet vapour permeable
• No ventilation or maintenance required
• Lightweight and easy to install
• Water vapour permeability of Sd 0.039m
• Resistance to penetration of air of 0.01 m³/m².h.50 Pa
• Wide service temperature range
• Free from Volatile Organic Compounds
• Can adhere to numerous substrates such as concrete, steel, and sheathing boards without the need for a primer

This barrier can be implemented in all wind zones and can be left for a maximum of 120 days throughout construction in the UK. The tough three-layer laminate resists punctures and tears and without maintenance and ventilation needed, it makes a practical option.

Standards & Certification

• Class B, s1 d0 in accordance with BS EN 13501-1:2007
• BBA Certified (Cert. No. 15/5274)