Bostik Gap Seal is a general purpose, water based, acrylic gap filler, suitable for use on interior and exterior areas prior to painting. It offers excellent adhesion properties suitable for sealing gaps and low movement joints. Excellent sealing and adhesion, Slump resistant, Skins within 15 minutes, Can be over painted after 2 hours, Water clean up, Environmentally friendly, Low VOC, Uses: Skirting boards, architraves, plasterboard, window and door frames, For low movement joints, between light partition walls, Filling cracks in plaster, brickwork, concrete aluminum, wood and glass,