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Permavent DRY

Permavent DRY

Indestructible Breather Membrane

Description

Permavent DRY is a super absorbent fleece and is designed to cope with the movement of condensation through the home at different times of the day. It can retain high level of condensation at peak times and slowly release it throughout the day.

Permavent DRY is guaranteed to maintain its integrity for 40 years and it is an essential element in Permavent Easy Slate/Plain Easy roof 40 year guarantee.

Features

  • 40 year guarantee
  • 230 g/m2
  • Condensation control system
  • Ultra-strong
  • For use on any types of roofing/walling applications
  • Conforms to BS5534
  • LABC Certified
  • 4 layers membrane
  • UV stable for 3 months
  • Available in 1m x 50m rolls

Specifications

Weight, g/m2230
Water tightness, classW1
Water vapour transmission (sd),m0.02
Maximum tensile force (MD), N/50mm670
Maximum tensile force (CD), N/50mm520
Elongation at max. tensile force (MD), %60
Elongation at max. tensile force (CD), %80
Resistance to tearing MD (nail shank), N300
Resistance to tearing CD (nail shank), N360

UK Wind Zones

Taped Lap1-5
Batten Lap1-3
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