Protect A1 T3 Plus is a high performance, heavy-duty impermeable type HR roofing underlay designed for all cold and warm pitched roofs, developed to overcome the disadvantages of traditional Type 1F and 5U felts and plastic sheet materials. A new and improved fourth generation of the original A1T3 product, Protect A1 T3 Plus provides an increased product weight of 190gsm, offering a robust secondary line of defence to the roof, whilst offering customers added value for money. Protect A13 Plus can be installed without the need to seal the laps, ensuring fortuitous ventilation. Achieves unrestricted wind uplift resistance (Zones 1-5) with 345mm batten gauge. Good nail tear and tensile strength. Completely water and air tight, with hydrostatic head of water resistance of >2.0m. Produced in the UK
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