Sepa Solar

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Sepa Solar air barrier and vapour control layer for use on the warm side of the insulation. Designed with a reflective surface to reduce heat loss through the roof, It features exceptional vapour resistance that exceeds BS 9250 requirements (Code of Practice for the design of the airtightness of ceilings in pitched roofs). Whilst it can be used with other Klober airtightness products to minimise energy loss and provides an R-Value of 0.5m2 K/W in the winter when used with a 20mm service void. The air barrier and vapour control layer prevents large volumes of water vapour from entering a construction from the interior, particularly during the drying-out period, whilst providing additional support for insulation boards or quilts.

For clarification consideration must be given to the intended use and height of the building based on the fact that the reaction to fire performance of the product is Class F in accordance with EN 13501-1. For further information contact your Principle Designer, the relevant Building Control Authority or the relevant guidance document such as Approved Document B for England.