VELUX Insulation Collar 550mm x 980mm BDX CK04 2000
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VELUX insulation collar for use with EDL, EDP, EDW flashings. Also includes BFX underfelt collar for additional weathertightness. Reduces heat loss and eliminates cold bridges. Insulation collar for maximum energy efficiency Ensures a flexible and tight seal Minimise the risk of condensation Includes BFX underfelt collar for additional weather protection For use with EDL, EDP, and EDW flashings
