Verified by manufacturer 10 days ago
Four layer vapour permeable membrane with reinforced grid.
Roofing underlay for use on pitched roofs or walls.
A vapour permeable underlay with integral glue strips, independently tested by the BRE for use in all of the UK wind uplift zones in accordance with BS 5534.
Features and benefits:
Color | Grey Black |
Material | Polypropylene |
Shape | Other Guidance for specification option: Roll. |
Length | 50000 mm |
Width | 1500 mm |
Height | 1.15 mm |
Uniclass | |
CAWS | H67/24 Vapour-permeable underlay H65/22 Vapour-permeable underlay H64/22 Vapour-permeable underlay H61/22 Vapour-permeable underlay H60/22 Vapour-permeable underlay P10/65 Breather membrane H91/305 Vapour-permeable underlay H31/55 Breather membrane H30/50 Breather membrane H21/20 Breather membrane H31/280 Breather membrane H30/350 Breather membrane H22/130 Breather membrane H21/130 Breather membrane H67/290 Vapour-permeable underlay P10/320 Breather membrane H65/235 Vapour-permeable underlay H64/307 Vapour-permeable underlay H62/235 Vapour-permeable underlay H61/235 Vapour-permeable underlay H60/235 Vapour-permeable underlay |
Classification data | |
Standard | To BS EN 13859-1. |
Class (minimum) | W1. |
Third-party certification | British Board of Agrément (BBA) certificate. Guidance for specification option: Cert No. 20/5734 (PS1 and 2). |
Performance criteria | |
Fire performance | Reaction to fire: To BS EN 13501-1, Class E or better. |
Tensile properties | Tensile strength to BS EN 12311-1; 500 N/ 50 mm (MD); 480 N/ 50 mm (CD). Manufacturer guidance30 N/5 cm. |
Environmental performance requirements | |
Environmental rating | Tested by the BRE in accordance with BS 5534. |
Material | Polypropylene. |
Form | Spun-bonded. |
Weight (minimum) | 195 g·m‾². |
Thickness (minimum) | 1.15 mm. |
Roll length | 50 m. |
Roll width | 1.5 m. |
Roll weight | 15.3 kg. |
Colour | Grey (upper layer); black (lower layer). |
Country of product manufacture | United Kingdom |
Material | Polypropylene |