Roofshield® is a unique, three-layer, nonwoven, spunbonded, polypropylene breather membrane with a patented melt-blown core. It is intended for use as a pitched roof underlay (breathable roofing felt) and is fixed beneath tiles and slates. Roofshield® provides a secondary barrier to the ingress of rain, wind and snow. It has a low vapour resistance and is air-permeable; additionally, it eliminates the incidence of interstitial condensation in pitched roofs. The product provides the most cost-effective solution to controlling interstitial condensation in a pitched roof.
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