Marley Non Breathable Roof Underlay 45 x 1m Roll (MA33145) Velux Accessories Coverage: 5
Yard notes & kiln story
Description
Coverage: 5
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Can be used in all roofing constructions in roof pitches between 15° and 90°
Ventilation area: 10000 mm2
motor oils and foodstuffs and controls algae growth
Marley Non Breathable Roof Underlay 45 x 1m Roll (MA33145) Velux Accessories Coverage: 5Description: Size: 45 x 1mtr Marley Eternit Universal Non Breathable underlay is a high performance, impermeable roof membrane for use in a range of pitched roof constructions, where traditional ventilation methods are preferred. Complete with an integrated tape system, this underlay provides and effective wind barrier, with unrestricted usage across all UK wind zones (BS 5534) A three layer composite comprising of two spunbonded polypropylene fabrics