Permo Forte is a very strong, breathable, laminated sheet material, with outer layers of polypropylene, an inner layer of microporus polyethylene film and re-inforcement mesh. Suitable for non ventilated cold and warm roof applications.
No ventilation of the roof void required.
Roll size 1.5m width x 50m length.
Colour: outer surface light grey, inner surface white. U.V. Stable for four months.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Calch Ty-Mawr Lime is consulted before specifying.
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| Uniclass (?) | Pr_25_57_65 Plastics membranes | |