General description This Roughneck Professional Grade Metal Expanding Foam Gun features a large, sturdy metal body with a comfortable soft grip, making it suitable for extended use. It is designed for various applications, including filling gaps and insulating spaces. Technical specifications Material: Nickel-plated aluminium body Trigger: Steel Barrel: Brass Non-return ball: PTFE Brass needle: Non-stick coating Adaptor: Aluminium can holder Usage Filling gaps in brick, concrete, stone, and plaster Sealing gaps and holes around pipe work and duct work Filling spaces around window frames and door frames Preparing deep joints before applying plaster or sealant Insulating internally for exterior walls Insulating soffits and barge boards Other information Supplied complete with: 2 x long plastic extension tubes 2 x plastic nozzles