Sika 221 Adhesive and Sealant 300ml

Sikaflex 221 is a polyurethane sealant, fantastic for bonding and sealing a wide and varied amount of applications. It is a one part, high quality sealant and adhesive. Non sagging and has a moisture curing system (cures in contact with moisture in the air). Sika 221 bonds well to a wide variety of substrates, and is suitable for making a permanent elastic seals of high adhesive strength.