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A MAJOR ADVANCE ON 1F FELT AND PLASTIC MEMBRANES
Roof underlays are required in virtually all modern tile and slate pitched roofs.
Protect Wunderlay is a modern lightweight alternative to traditional 1F felts and second generation plastic materials with a number of important advantages
PERFORMANCE
MD
CD
Nail tear strength (N)
(EN 12310-1)
150
Tensile strength (N/25mm) (EN 12311-1)
260
240
Wind Uplift Resistance
2.5kPa at 343mm batten guage
Water resistance (m)
2.0