A simple a quick way to waterproof a gutter with EPDM is to choose STRUCTASEAL self-adhesive EPDM strips. The self-adhesive EPDM strip has a thickness of 1.30 mm and a length of 20 m. It has glass fibre re-enforcement and a butyl adhesive layer on the underside. This adhesive layer has an easy to remove protective release film.
STRUCTASEAL Self Adhesive is available from the Builders Merchants and is available in two sizes:
20 m x 200 mm
20 m x 500 mm