Everbuild LEAD Mate Sealant Grey 295ml (6 Pack) 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. Lead Mate Features: - Excellent adhesion to metals - Low dirt pick up - Excellent flexibility +/- 25% - Excellent low and high (+150°C) 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 façade use internally in compliance with the Construction Product Regulation.