The Boss Pro Long Barrel Foam Gun (40in) is designed for hard-to-reach applications where precision and control matter. Ideal for commercial insulation, air sealing, and construction tasks, this extended-reach gun delivers the same professional-grade performance as the standard model—with added length for safety, efficiency, and convenience.

Key Features & Design

• Extra-Long 40in Barrel: Perfect for accessing deep cavities, subfloors, wall plates, and overhead applications without ladders or awkward positioning.
• Durable, Contractor-Grade Construction: Built with rugged materials to withstand heavy jobsite use.
• Precision Flow Control: Adjustable dial and smooth trigger action for consistent foam application and reduced waste.
• Ergonomic Handle: Comfortable grip reduces fatigue during extended use.
• Easy to Clean: Compatible with Boss 335 Foam Cleaner for quick maintenance.
• Universal Fit: Works with all standard gun-grade polyurethane foam cans.
• Key Specs: Brand: Boss; Type: Long Barrel Foam Dispensing Gun; Barrel Length: 40 inches; Use: Ideal for tight spaces, overhead work, deep wall cavities, or underfloor sealing

Reach farther and work smarter with the Boss Pro Long Barrel Foam Gun—engineered for performance where others can’t reach.