Permavent Vapour Permeable Membrane Felt 120gsm - Black (1m x 50m Roll)
Product code: RKM22900
Vapour permeable breathable membrane
Product description
A highly competitive and robust roofing underlay, Permavent BLACK is a versatile vapour-permeable membrane that is also suitable for walling applications. An air-tight design solution, providing associated thermal benefits, whilst assisting with condensation risk in your project.
Additional benefits:
- Optional durable integrated tape system is available to improve speed of application and to control membrane wastage on-site.
- A superior water resistance value (W1) catering for both roof and wall applications
- Discreet in colour, popular for garages and open-constructions such as canopies
Product details
Length
50m
Width
1m
Weight
120gsm
Underlay Colour
Black
Water Vapour Tansmission
Class W1
Tensile Strength (MD)
300 N/50mm
Tensile Strength (CD)
200 N/50mm
Nail Tear Resistance (MD)
120 N
Nail Tear Resistance (CD)
160 N
Vapour Transmission
0.02 (sd)
Elongation at MD
70%
Elongation at CD
70%
Brand
Permavent
Manufacturer Brand Name
Permavent
Manufacturer Product Code
PVBB50
Key features
- 120gsm
- Black on both sides
- Value membrane
- Tested to BS5534:2014 +A2:2018 wind loading
- 3 layers membrane
- UV stable for 3 months
- For use on any types of roofing/walling applications
- Available in 1m x 50m