Highly energy-efficient roof window intended for passive construction with a U value of 0.58 W/m2K. The warmest roof window on the market. Supplied complete with thermal flashing and XDK insulation kit.
Highly energy-efficient roof window intended for passive construction with a U value of 0.58 W/m2K. The warmest roof window on the market. Supplied complete with thermal flashing and XDK insulation kit.
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