Everflex Lead Mate Sealant is specially formulated as an alternative to mortaring lead flashing and sheet into brick, stone and concrete, providing a fully waterproof joint that will not crack or shrink. Excellent adhesion to metals Low dirt pick up Excellent flexibility +/- 25% Excellent low and high (+150C) temperature resistance Suitable as an expansion joint sealant Low (<5%) shrinkage during vulcanisation High resistance to plasticiser migration may be used over water and solvent based paints Excellent external weathering properties Certified to the European standard EN15651 for faade use internally in compliance with the Construction Product Regulation