Say goodbye to draughty gaps, rattling frames, and skyhigh energy bills. The Selsil 750ml GunGrade Expanding PU Foam is the professional's choice for achieving a flawless, airtight seal — every single time.

Whether you're installing windows, fitting door frames, or tackling stubborn cracks and voids, this lowexpansion formula works with you, not against you. Unlike standard expanding foams that overexpand and warp delicate frames, this precisionengineered foam fills only what needs filling — giving you a tight, controlled seal without the mess or damage.

Why tradespeople and DIYers trust it:

• Bonds instantly to wood, concrete, brick, metal, tile, and aluminium — virtually any surface on site
• Lowexpansion formula protects window and door frames from bowing or distortion, saving costly rework
• Delivers both thermal and acoustic insulation in a single application — seal gaps and reduce noise simultaneously
• Fully cured foam is easy to trim, shape, and paint — seamlessly blends into any finish
• Environmentally responsible formula — free from harmful CFC and HCFC gases
• Gungrade application ensures pinpoint accuracy, reduced waste, and a cleaner finish on every job

From sealing around pipework and eliminating cold bridging to soundproofing internal walls and weatherproofing exterior openings, this foam handles it all in one easy step. Readytouse straight from the can and compatible with a standard applicator gun, it's designed to save you time, cut material waste, and deliver results that last.

Work smarter, seal tighter, and finish faster — with the foam that professionals reach for first.