UltraPerm Breathable Felt - Standard (Grey)
Weight: 115 gsm
Available in Sizes: 1.0 x 50m, 1.5 x 50m
Powerlon UltraPerm is a high performance underlay for all roof types and walls in timber frame structures. UltraPerm membranes can be used on warm and cold, supported and unsupported, ventilated and unventilated roofs. UltraPerm is a non-woven composite membrane with exceptional water vapour transmission, water repellent characteristics and good UV stability.
BS 5534 Compliant
British Board of Agrément (BBA) certified (Certificate No. 13/5037) High water vapour permeability (breathability)
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Exceptional water resistance
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High tensile strength
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High nail tear resistance
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Flame Retardant to Class E
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Available with optional integrated tape for easy installation
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CE approved
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Pre-printed marking lines
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Fully illustrated installation instructions supplied with each roll ISO EN 9001