Permavent Vapour Permeable Membrane Felt 130gsm - Graphite (1m x 50m Roll)
Product code: RKM21700
Vapour permeable breathable membrane
Product description
The preferred roofing underlay for many national housebuilders and supported by a number of the UK’s largest roofing contractors, Permavent Graphite is a high-performance and competitive vapour-permeable membrane. Graphite is a versatile secondary waterproofing barrier, which can be specified and installed UK-wide in accordance with BS5534:2014+A2:2018.
Additional benefits:
- Perfect for new-build or refurbishment-led projects.
- A competitive yet high-performance membrane, providing confidence when installed in conjunction with budget-sensitive projects
- Perfect for UK wide application, a UV stability of 3 x months and a hydrostatic head of water more than >2.0m
Product details
Length
50m
Width
1m
Weight
130gsm
Underlay Colour
Graphite
Water Vapour Tansmission
Class W1
Tensile Strength (MD)
245 N/50mm
Tensile Strength (CD)
175 N/50mm
Nail Tear Resistance (MD)
130 N
Nail Tear Resistance (CD)
140 N
Vapour Transmission
0.02 (sd)
Elongation at MD
50%
Elongation at CD
60%
Brand
Permavent
Manufacturer Brand Name
Permavent
Manufacturer Product Code
PVBG50
Key features
- 130gsm
- Highly durable
- Excellent tensile strength
- Excellent tear resistance
- 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