This Roughneck Professional Foam Gun has a large, sturdy metal body with a comfortable soft grip, making it perfect for long working periods. The Foam Gun has a brass barrel, needle and nozzle with non-stick coating. The aluminium body is also coated with a non-stick coating. With flow adjusting knob for better control and can holder adaptor. Ideal for applications such as filling gaps in brick, concrete, stone and plaster, or spaces around window frames and door frames. Filling deep joints before applying plaster or sealant, or insulating internally for exterior walls, soffits and barge boards.