VELUX Underfelt Collar And Drainage Gutter


VELUX underfelt collar and transverse drainage gutter
Ensures a weathertight seal between the roof window and the roof
Pleated material ensures a flexible and tight seal to the underfelt of the roof, whatever its construction
Made from diffusion open material to minimise risk of condensation
Comes with transverse drainage gutter to lead water away from the head of the window if a tile or slate is damaged above the roof window
Welded corners ensure a watertight and simple installation

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55×118, 55×70, 55×78, 55×98, 66×118, 66×98, 78×118, 78×140, 78×98, 94×118, 94×140, 94×160, 94×98, 114×118, 134×140, 134×98