BBA certified universal breathable roofing underlay for all pitched roof designs and wall applications. Fully compliant to BS 5534:2014 + A1:2015.
Green, Blue, Grey, Black
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Composite
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Other
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25000 mm, 50000 mm
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1000 mm, 1500 mm
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Specification
To BS 5534:2014+A1:2015, zones 1-5.
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British Board of Agrément (BBA) certificate.
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Water vapour transmission determined in accordance with EN ISO 12572(C), 0.02 m.
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Reaction to fire: To EN ISO 11925-2, Class E.
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Tensile strength to BS EN 12311-1; 320 N/ 50 mm (MD); 200 N/ 50 mm (CD).
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W1.
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Composite.
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Non-woven.
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155 g/m².
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Additional properties
To EN 12310-1, 140 N (MD); 230 N (CD).
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1.0 x 50 m., 1.5 x 50 m.
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Green.
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Sustainability data
Composite
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