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Higher insulated cavity closers to close the cavity at external doors, window jambs and sills. Provides DPC and thermal insulation at external doors and window jambs and sills to prevent damp and cold bridging. Rigid and lightweight UPVC profiles fitted with extruded Polystyrene insulation material (0.028W/mk). Available to suit cavity widths of 50, 75, 90, 100,125 and 150mm wider cavity widths available to order. Plus multi cavity width closer solution for projects with unknown or varying cavity widths pre-grooved insulation to offer cut lines for cavity widths of 50-100mm. Quick and simple to install. Supplied in convenient 2.4 metre lengths.
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