Permavent BLACK: 50m x 1m

Permavent BLACK Breather Membrane (50m x 1m)

Permavent Black is a top-quality Breather Membrane. It is suitable for all cold, warm, hybrid and boarded roof designs.

Permavent is manufactured using unique bonding techniques adapted from the medical industry. Permavent's exclusive laminating processes produce a multi-layer membrane with incredible tensile strength and superior water vapour transmission. For long-lasting protection of roofing timbers, this underlay is hard to beat.

Permavent BLACK is also fully certified under the CE having been tested and certified by independent European laboratories and is only manufactured under the strictest ISO requirements. Permavent membranes are certified for use in all types of roofing and walling applications and conform fully.

Permavent BLACK conforms to several industry standards including BS 5534:2014, BS 5250, BS EN 13859 amongst others, CE Certified and assured by LABC. Further details can be found in the data sheets below.

This roll is 50m x 1m with a coverage of 50m ² and should be fitted in accordance with BS 5534:2014. Permavent BLACK should be installed with the logo uppermost, horizontally across the roof.

Minimum Horizontal Laps

This breather membrane is suitable for use in wind zones 1-5 with taped lap and wind zone 1 with battened lap (250mm batten gauge).