Excellent For Sealing Indoor And Outdoor Joints And Connections On Surfaces Such As Plaster, Concrete, Masonry, Gypsum, Aluminium, Zinc, Pvc And Wood. Sealing Cracks In Plaster, Concrete, Brick Work And Wood. Sealing Joints Between Concrete And Brickwork. Sealing Joints Between Metal And Wooden Window Frames, Skirting Boards, Window Sills And Ceilings.