All Weather Flex has many uses including: sealing around window frames, window sills, skirting boards, cornices, tiles (except showers), staircases, architraves, trims, wall and floorboards and coving. Sealing gaps and cracks in plastered wall and ceilings. See technical data sheet for more information. Excellent adhesion to multiple surfaces including wood, MDF, particle board, plywood, fibre cement sheet, plasterboard, concrete, masonry including brick and blockwork, cement render, polystyrene foam, tiles, ceramics, aluminium, etc.