Verified by manufacturer 4 months ago
BBA Agrément Certificate
Certificate type
A waterproof and vapour permeable polyethylene geotextile. This layer is referred to as the WFRL (Water Flow Reducing Layer) and acts as the Principal Water Collection Layer in an inverted roof.
For use with PermaQuik PQ6100, EshaUniversal, EshaFlex and ParaFlex Inverted Roofing Systems.
For a comprehensive NBS specification contract Radmat Building Products.
A spun bonded polyethylene geotextile based upon Tyvek® by DuPont that is waterproof and vapour permeable
Features and benefits:
Color | Grey |
Material | Polyethene |
Length | 100000 mm |
Width | 3000 mm |
Warranty description | 40 year |
Uniclass | |
CAWS | J31/390 Water flow-reducing layer J41/390 Water flow-reducing layer |
Standard | To BS 3177: 1959. |
Third-party certification | ISO 9001: 2008 Quality Management System, ISO 14001: 2004 Environmental Management System, EPD as per ISO 14025 and EN 15804. |
Performance criteria | |
Water vapour properties | Water vapour transmission (Sd): 0.01 m as per EN ISO 12572 (C). |
Form | Spun-bonded. |
Weight (minimum) | Fabric weight: ~63 g/m²; |
Tear resistance | Nail Shank (MD): 55 ±20 N; |
UV Resistance – Stable | Up to 4 months. Manufacturer guidanceExposure |
Performance characteristics | Melts and shrinks away from a heat source (unclassifiable as regards Building Regulations). Manufacturer guidance(Fire performance) |
Contains Red List materials | No |
Country of material origin | Europe |
Country of product manufacture | Europe |
Recyclability | 0 |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
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