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Manthorpes' profiled thermal cavity closer suits standard vertical cavity and sill details. It provides an economical solution to cold bridging problems and is available in a range of sizes to suit varying cavity widths and can easily be installed with no special fixings. It not only provides a thermal break to the cavity, but also acts as an effective vertical DPC barrier.
Manthorpe cavity closers meet all Building Regulations and achieve the required 'U' value at the reveal of door and window openings when the frames are fixed to allow a 15 mm overlap (which can be reduced depending on the surrounding construction) into the cavity - refer BRE Information Paper IP17.
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