Forget the silicone -- just screw it down.
Features a revolutionary non-absorbant and non-porous sponge gasket that seals by compression, even in wet conditions. It hugs the roof line to provide a watertight seal without the need for silicone sealant.
Fits flues with an external measurement between 5-76mm. Suitable for roof pitch 0-45 degrees.
Base size 178x178mm
Available in black EPDM only.
