Permo Forte Membrane : MATERIAL . Permo Forte is a strong laminated sheet material, with outer layers of polypropylene, an inner layer of microporus polyethylene film and re-inforcement mesh.
COLOUR . Outer surface- Light grey
Inner surface- White
DIMENSIONS . 50 x 1.5m (75m2)
ROLL WEIGHT . 13kg
FEATURES: . - Very strong and robust vapour permeable underlay. . - Water-proof Four- layer material. . - BBA and IAB Approved. . - Suitable for cold and warm roof applications. . - No ventilation of the roof void required. . - UV Stable for four months. . - Hydrophobic treated. . - Permo Forte SK includes a self-adhesive tape. .
PERFORMANCE . - Thickness (mm) 0.6 . - Water Vapour Resistance BS 3177 (MNs/g) 0.2 . - Sd Value EN ISO 12572 (M) ² 0.02 . - Water Vapour Permeability BS3177 (g/m 2 /day) 1034 . - Water Vapour Permeability EN ISO 12572 (g/m 2 /day) ³ 1200 . - Weight (g/m 2 ) 175 . - Tensile Strength DIN EN 12311-1 . - Longitudinal (N/5cm) 445 Transverse (N/5cm) 325 . - Nail Tear Strength DIN EN 12310-1 Longitudinal (N) 345 Transverse (N) 360 . - Fire Rating B2 . - Temperature -40°C to + 80°C . - Water Column (m) >1.5 . - UV Exposure 4 Months .
.Product Permo Forte Membrane
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