Professional Long-Barrel Foam Gun with 315mm Extension – Heavy-Duty PU Expanding Sealant Applicator for Deep Cavity, Narrow Gap & Roof Insulation Sealing

315mm Extra-Long Extension Barrel: The precision-machined 315mm extension allows for effortless foam application in deep cavities, wall voids, and ceiling corners without the need for dangerous ladders or uncomfortable stretching。

Modular Detachable Design: The extension tube can be easily attached or removed, providing you with the flexibility to switch between a standard setup and a long-reach configuration in seconds。

Ergonomic High-Visibility Grip: Features a premium lime-green contoured handle designed for maximum palm support, ensuring stable control and reducing hand fatigue during long hours of precision spraying。

Surgical Flow Modulation: The high-torque rear adjustment knob allows for millimetric control over the foam expansion, ensuring you apply the exact amount of material needed for both thin cracks and high-volume structural gaps。

Anti-Leak Professional Adapter: Built with a reinforced universal threaded adapter that creates a 100% airtight seal with all major pressurized PU foam canisters, maintaining consistent internal pressure for a smooth, steady flow。