Features & Benefits
• 🧱 Expands Up to 30x – Fills and seals large gaps, cracks, and cavities, creating a secure thermal and acoustic barrier.
• ⚡ Fast Curing & Easy to Apply – Hand-held aerosol can allows precise control and quick-drying performance for faster project completion.
• 🎨 Finishing Versatility – Once cured, the foam can be sawn, sanded, painted, or plastered for a neat, professional finish.
• 🔇 Thermal & Acoustic Insulation – Provides excellent heat and sound insulation in both interior and exterior environments.
• 🌿 CFC-Free & Includes Gloves – Environmentally friendly formulation supplied with a pair of gloves for safe, convenient use.

Description
The TIMCO 750ml B3 General Purpose Fill & Fix Expanding PU Foam (Hand Held) is a high-performance polyurethane foam designed for professional builders and DIY users alike. This easy-to-use aerosol can delivers powerful expansion—up to 30 times its original volume—ensuring complete filling of irregular gaps and voids. Ideal for insulation, draught-proofing, and sound reduction around windows, doors, and pipework. The cured foam can be cut, sanded, plastered, or painted for a clean finish. CFC-free and suitable for both interior and exterior use, this foam offers dependable adhesion and long-lasting durability.