Air tight flashing should be secured internally, to form a barrier against warm and humid air, as any moisture on the surface of the insulation greatly reduces its thermal insulation properties. For this reason, to avoid any air gaps the roof window opening has an XDS air tight flashing.

Brand Name	FAKRO
Colour	N/A
Material	Polythene
Manufacturer Model No	FAKRO-XDS-AIR-TIGHT-FLASHING
Wear Type	N/A
Type	Air Tight Flashing
Certifications Met	N/A
Country of Origin	N/A
Protects From	Dampness
Waterproof	N/A
Number of Pockets	N/A
Size	55cm x 98cm, 66cm x 98cm, 66cm x 118cm, 78cm x 60cm, 78cm x 98cm, 78cm x 118cm, 78cm x 140cm, 94cm x 98cm, 94cm x 118cm, 94cm x 140cm, 94cm x 160cm, 134cm x 98cm