Proctors Roofshield
Product Description
Roofshield is a spun bonded polypropylene fabric manufactured in the UK and used as a breathing underlay for pitched roofs. It meets the following basic criteria: Waterproof - Wind resistant - U.V. Stabilised - Rot proof - Tear resistant General Roofshield is satisfactory for use as a fully supported or unsupported underlay in tiled and slated pitched roofs constructed in accordance to the relevant clauses of BS 5534: Part 1: 1990. Strength Roofshield will resist the loads associated with the installation of the roof. Roofshield has adequate resistance to uplift forces likely to be experienced in most locations in the British Isles and for design purposes may be considered equal or greater in strength to a Type 1F reinforced bitumen underlay as defined in BS 747: 2000. Tests on Roofshield fixed over rafters at 600mm centres with batten centres at 350mm have shown that the material does not extend unduly or tear around nail holes when subjected to a range of negative pressures. Fire Tested to DIN 4102 Roofshield achieves a B2 fire classification and will shrink away from the fire source. Certification Warm roofs has a current British Board of Agrement Certificate No. 96/3220 Cold roofs has a current British Board of Agrement Certificate No. 99/3648
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