FISCHER PUP S 750 Gun Grade PU Expanding Foam – 750ml Professional Polyurethane Insulation & Gap Filling Foam

The FISCHER PUP S 750 Gun Grade PU Foam is a premium one-component polyurethane expanding foam designed for professional installation, sealing, insulating, and filling applications. Applied with a compatible foam gun, it delivers precise, controlled expansion and excellent adhesion to most common building materials, making it ideal for construction, renovation, and DIY projects.

With high thermal and acoustic insulation properties, the PUP S 750 effectively seals gaps around doors, windows, pipes, and electrical installations while helping improve energy efficiency. Once cured, the foam can be easily trimmed, sanded, and finished for a clean, professional result.

Key Features

• Professional gun-grade polyurethane expanding foam
• 750ml high-yield canister
• Excellent thermal and sound insulation
• Seals gaps, cracks, joints, and cavities
• Strong adhesion to concrete, brick, wood, metal, PVC, and masonry
• Precise application with a foam dispensing gun
• Fast curing and easy to trim after hardening
• Ideal for indoor and outdoor construction applications

Applications

• Installing doors and window frames
• Filling gaps and cavities
• Sealing pipe and cable penetrations
• Thermal and acoustic insulation
• Construction and renovation projects
• Air leak prevention and energy efficiency improvements