Ronseal Expanding Foam

The 300ml Ronseal Quick Drying and Expanding Foam Filler is the perfect size for general household repairs and smaller filling projects. This compact canister is ideal for filling large and awkward gaps and cavities on both interior and exterior surfaces, making it a practical choice for DIY enthusiasts and tradespeople working on standard repair jobs. The quick drying formula works effectively on wood, metal, glass, and masonry, expanding to 2.5 times its initial volume to completely fill any size repair. The simple trigger applicator delivers smooth, consistent filling with minimal overfill, whilst the advanced liquid foam provides excellent insulation against heat, sound, and moisture.