Foam Sealant Applicator Gun (Model FG450)

The Foam Sealant Applicator Gun FG450 is a professional‐grade tool engineered for precise, mess-free application of 1-component polyurethane foam. Its lightweight composite body and high-performance internals give you reliable control, making it ideal for sealing gaps, insulating around door and window frames, filling cavities, and weatherproofing projects. The fine-tune flow control knob and precision O-rings help you dial in exactly the right foam volume—every time.

Key Features

• Professional composite construction for durability without extra weight
• Fine-tune flow control knob for pinpoint accuracy
• High-performance internal gaskets and O-rings to prevent leaks
• Ergonomic trigger design minimizes hand fatigue
• Compatible with standard 12 oz foam sealant tubes
• Lightweight at just 0.75 lb for easy handling on the job