Foam Expanding Spray Gun Polyurethane Sealant Tool

Foam Expanding Spray Gun for Precise Sealing and Insulation

Achieve clean, controlled foam application on every renovation project with this Foam Expanding Spray Gun. Designed for use with standard expanding foam canisters, it delivers a consistent bead for sealing, filling and insulating around windows, doors, frames, pipe penetrations and other gaps where accuracy matters.

Constructed from a combination of durable alloy and high‑quality plastic, this gun is built for repeated use on demanding jobs. The metal body provides strength and stability, while the ergonomic handle and polyurethane-style trigger design support comfortable operation over longer periods. A sprung trigger mechanism allows you to finely control foam flow, helping you avoid waste, drips and overfilling.

The integrated sprayer pump structure is engineered for even foam distribution. With a spray width of approximately 5 mm and a best working distance of around 10 mm, it is suitable for detailed work where a neat finish is required. The gun is corrosion and wear resistant, making it suitable for frequent use in renovation, installation and repair work. Its lightweight, compact form factor improves maneuverability in tight or awkward spaces, such as behind frames or around service penetrations.

This tool is ideal for filling and sealing small gaps and joints, improving insulation and reducing drafts and noise transmission in the home. It supports more efficient application of polyurethane foam sealant, contributing to better energy performance and a more professional-looking finish on caulking and sealing tasks.

The gun is also designed with maintenance in mind. Smooth internal passages and accessible surfaces help simplify cleaning after use when the correct foam cleaner or solvent is applied according to foam manufacturer instructions. Supplied in a neutral color scheme as shown in the product images, it integrates easily into any professional or DIY toolkit.

Why It's a Smart Choice

• Controlled foam flow via sprung trigger for neat, accurate application and reduced waste
• Durable alloy and plastic construction for reliable use on repeated renovation and sealing jobs
• Lightweight, ergonomic design for comfortable handling in tight or overhead working areas

FAQ

Q: What type of foam can I use with this spray gun?
A: It is designed for use with standard canister-based polyurethane expanding foams commonly used for sealing, filling and insulating gaps around windows, doors and construction joints. Always follow the foam manufacturer's compatibility and safety guidelines.

Q: Is this suitable for both professional and DIY home renovation work?
A: Yes. The robust metal body and precise trigger control make it suitable for tradespeople, while the simple, ergonomic design is also accessible for homeowners tackling renovation, sealing or insulation projects.

Q: How do I clean the gun after use?
A: For best results, clean immediately after use following the instructions on your foam cleaner or solvent. Typically, this involves attaching a compatible cleaner canister, flushing the gun, and wiping down external surfaces to prevent cured foam buildup.

Q: Can it be used for sealing around windows and doors?
A: Yes. It is particularly useful for injecting foam into gaps around window and door frames, where controlled flow and a narrow spray width help achieve a tidy, consistent seal.

Q: Does it come with any accessories?
A: The package includes 1 expanding foam sprayer gun. Foam canisters and cleaning products are not included and should be purchased separately as required.