VELUX standard flashing (with BDX 2000 Insulation Collar) to provide drainage round the roof window. For use with slate up to 8mm thick (not interlocking). Roof pitch between 15-90 degrees
VELUX standard flashing (with BDX 2000 Insulation Collar) to provide drainage round the roof window. For use with slate up to 8mm thick (not interlocking). Roof pitch between 15-90 degrees