Easi-Pour Flexi Mould 750 x 50 x 30mm is a flexible foam bund designed to contain Easi-Pour Liquid Radon Sealant during the curing process. The underside has a pre-applied, high-tack self-adhesive tape which is protected by a release paper. Once removed, the Flexi-Mould can be firmly bonded to the top surface of any Monarflex radon barrier membrane.