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High breathable polypropylene roof underlay
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STROTEX N EXTREME 200
High breathable polypropylene roof underlay
Strong -four layer composite roof underlay, made of non woven polypropylene fabric (PP), covered on both sides with microporous PP film, weight 200 g/m2.
High vapour permeable, allowing breathing of buildings ( Water vapour diffusion Sd=0,04 m ).
Remains unchanged at temperatures ranging from –30º C to +80º C and exposed to ultraviolet radiation for 3 months.
Suitable for placement on roof sheeting or thermal insulation boards on non-ventilated roofs without a vapour barrier.
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High breathable polypropylene roof underlay
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