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Raven Breathable

A breathable roof underlay for cold and warm roof applications which give major benefits over traditional roof underlays.

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Permo Forte Breathable

Permo Forte is a strong laminated sheet material, with outer layers of polypropylene, an inner layer of microporus polyethylene film and re-inforcement mesh.
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Permo Air

Permo® air is the most breathable air open low resistance underlay on the market. 3 layers and hydrophobically treated, it is the ideal solution where there is a high risk of condensation forming in the roofspace.
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Sepa® forte (formerly Span-tech®)

Span-Tech is a three-layer non-breathable roofing underlay for use on pitched roofs.
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Tyvek

One of the most popular applications of Tyvek® is in the construction industry. It is used to increase air and water resistance, and provides better protection against water and moisture intrusion.

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Roofshield

Roofshield is a three layer laminate designed to combine water hold out properties with high breathability. The central layer is a fine-fibred meltblown material which differs from other breather membranes on the market.
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1F

Traditional Bituminous reinforced underslaters felt.
15m roll.