Permavent Red Breather Membrane 1x50m

£53.99

2 in stock

Permavent Red Breather Membrane is ideal for use on all types of domestic and commercial roofing and walling applications, including:
– Cold non vented
– Traditional hybrid
– Cold vented
– Scottish and fully boarded applications
– Suitable for use in all applications* (Wind Zones in the UK for underlays used for specific applications as described in BS 5534).

2 in stock

SKU: D7DD72 Category:

Description

PHYSICAL PROPERTIES

Weight, g/m2160
Water tightness, classw1
Water vapour transmission (sd),m0.02
Maximum tensile force (MD), N/50mm360
Maximum tensile force (CD), N/50mm250
Elongation at max. tensile force (MD), %90
Elongation at max. tensile force (CD), %110
Resistance to tearing MD (nail shank), N250
Resistance to tearing CD (nail shank), N340

 

Permavent apex wind uplift results

Batten gaugeDeclared Wind Uplift Resistance,
PD (N/m2)
Zone Suitability
?345 mm
(maximum gauge, large format tiles)
Taped lap: >25001 to 5 (All applications)
Batten restrained lap: 11681 to 3 (All applications)
?250mm
(600mm slates)
Taped lap: >25001 to 5 (All applications)
Batten restrained lap: >25001 to 5 (All applications)

 

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Additional information

Weight8 kg
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