Expanding Foam Spray Gun | Polyurethane Caulking & Sealing Tool

Professional Expanding Foam Spray Gun for Sealing & Insulating

Take your home renovation and weatherproofing projects to the next level with this Professional Expanding Foam Spray Gun. Built from a robust plastic and alloy construction, this ergonomic trigger sprayer is engineered for precise, controlled application of polyurethane expanding foam — perfect for filling gaps around windows, doors, pipes, and more. Made in Mainland China.

Key Features

• Precise Control: Sprung trigger mechanism allows you to regulate foam output with accuracy, minimizing waste and mess.
• High-Performance Specs: Maximum output pressure of 70 MPa, maximum injection rate of 10 L/min, and an optimal spray width of approximately 5 mm for targeted application.
• Durable Construction: Plastic and alloy body is corrosion-resistant and wear-resistant for long-lasting performance job after job.
• Ergonomic Design: Comfortable grip and balanced weight make extended use easy on the hand — ideal for large-scale sealing tasks.
• Easy to Clean: Simple maintenance keeps your tool in top condition between uses.
• Versatile Use: Ideal for filling, sealing, and insulating small gaps in windows, doors, walls, and around glass panels.
• Lightweight & Compact: Easy to maneuver in tight spaces and simple to store when not in use.

Specifications

• Material: Plastic + Alloy
• Maximum Output Pressure: 70 MPa
• Best Shooting Distance: ~10 mm
• Maximum Injection Rate: 10 L/min
• Spray Width: ~5 mm
• Battery Required: No
• Origin: Made in Mainland China

Package Contents

• 1 × Expanding Foam Spray Gun

Safety & Best Practices

Always wear appropriate personal protective equipment (gloves, eye protection) when working with expanding foam or sealants. For guidance on safe tool use and home improvement safety standards, visit U.S. Consumer Product Safety Commission (CPSC).

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Frequently Asked Questions

Q: What type of foam canisters is this expanding foam spray gun compatible with?

A: This expanding foam spray gun is designed to work with standard polyurethane expanding foam canisters commonly used for sealing and insulating gaps around windows, doors, and other household surfaces. Always check canister compatibility before use.

Q: How do I clean the expanding foam spray gun after use?

A: Clean the gun promptly after each use while the foam is still uncured. Most manufacturers recommend using a dedicated foam gun cleaner solvent — attach the cleaner canister to the gun and flush it through the nozzle until it runs clear. Regular cleaning extends the life of your tool significantly.

Q: Is this foam spray gun suitable for professional contractors as well as DIY home use?

A: Yes! The durable alloy and plastic construction, ergonomic grip, and precise trigger control make this expanding foam gun suitable for both professional contractors and DIY home renovators tackling insulation, sealing, and weatherproofing tasks.

Q: Does this tool require any batteries or power source?

A: No batteries or external power source are needed. This is a fully manual, trigger-operated spray gun — ready to use right out of the box with your expanding foam canister.