Glidevale protect A1 underlay 1.5m x 30m

Protect A1® is a high performance, heavy-duty type HR roofing underlay designed for all cold and warm pitched roofs, developed to overcome the disadvantages of traditional Type 1F, 5U felts and plastic sheet materials and is used in conjunction with high and low level ventilation. Providing a secondary line of defence against wind driven rain and snow, Protect A1® offers unrestricted use for wind uplift.