JSA PU Expanding Foam Sealant 750ml High Expansion Gap Filler Insulation Multi Surface Use

This PU expanding foam sealant is designed for efficient sealing, filling, and insulation across a wide range of surfaces. With high expansion performance, it easily fills gaps, cracks, and joints, creating a strong and durable seal that does not shrink over time. It adheres well to multiple materials including wood, brick, concrete, metal, glass, foam, plastic, and paper, making it a versatile choice for construction, renovation, and repair tasks. The foam provides excellent thermal and acoustic insulation, helping reduce heat loss and noise penetration. The product is simple to use. After shaking the can, attach the straw and apply the foam by holding the can upside down. It expands to fill spaces efficiently and cures quickly, allowing trimming, sanding, and painting after drying for a clean finish. This expanding foam also helps block insects and drafts, improving overall comfort and protection. It is suitable for sealing around door frames, window installations, roofing gaps, pipe entries, and other areas that require reliable insulation. Ideal for residential, commercial, and DIY projects, this PU foam offers a fast, clean, and long lasting solution for sealing and insulating needs.