JSA 750ml PU Foam Spray Insulation Sealant for Gaps, Cracks, Windows & Doors – High Expansion Expanding Foam Filler, Waterproof, Soundproof, Heat Insulation, Paintable & Sandable Construction Foam

Upgrade your repair and insulation work with this 750ml PU Foam Spray Sealant designed for professional and DIY use. The high expansion polyurethane foam quickly fills gaps, cracks, holes and joints around windows, doors, walls, ceilings, pipes and construction areas Its powerful bonding formula provides excellent adhesion to wood, concrete, brick, glass, metal and PVC surfaces while delivering strong thermal insulation, soundproofing and waterproof protection. The foam helps block drafts, moisture, dust, insects and unwanted noise, making your home or workspace more energy efficient and comfortable This expanding foam sealant is ideal for residential projects, commercial buildings, renovation work, MEP installations, plumbing, electrical fitting, furniture assembly and general repairs. After curing, the foam can be easily trimmed, sanded and painted to match surrounding surfaces for a clean finish Whether you are sealing window frames, filling cracks in walls, insulating pipe gaps or installing door frames, this PU foam spray offers durable performance, easy application and long-lasting results

• HIGH EXPANSION PU FOAM: Advanced polyurethane expanding foam formula fills gaps, cracks, joints, holes, cavities, pipe openings, wall spaces, window frames and door frames with strong sealing performance
• EXCELLENT INSULATION PERFORMANCE: Provides superior thermal insulation, soundproofing and air sealing to reduce heat loss, block noise and improve indoor energy efficiency
• STRONG BONDING & LONG LASTING: Delivers excellent adhesion on wood, concrete, brick, metal, PVC, glass and wall surfaces without shrinking or cracking after curing
• WATERPROOF & WEATHER RESISTANT: Designed to resist moisture, humidity, dust and insects, making it suitable for indoor and outdoor residential, commercial and industrial applications
• PAINTABLE & SANDABLE FINISH: Once cured, the foam can be trimmed, sanded and painted for a neat and professional finish around windows, doors, pipes and construction joints
• EASY TO USE SPRAY CAN: Comes with precision applicator nozzle for controlled dispensing and fast installation, making it ideal for DIY repairs, renovation projects and construction work
• MULTIPURPOSE APPLICATION: Suitable for sealing joints, filling wall cracks, insulating roofs, fixing window gaps, door frame installation, plumbing projects, electrical openings and furniture fit-outs
• LARGE 750ML CAPACITY: High yield 750ml expanding foam can covers larger areas efficiently, helping save time and reduce material usage in home improvement projects