Everbuild evblead everflex lead mate is a low modulus neutral cure sealant specifically designed to give exceptional adhesion to soft metals such as lead brass etc the product is specially formulated as an alternative to mortaring lead flashing and sheet into brick stone and concrete with excellent adhesion to metals it will not stain or corrode soft metals unlike most conventional sealants this everbuild evblead lead mate has been designed for a low dirt pick up rate and excellent flexibility