Ronseal
Ronseal Expanding Foam Filler 300ml 36780
Model 36780
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked an hour ago | £5.64 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £7.14 | In stock | Visit Blueperry Tool & Builders Merchants (UK) (opens in a new tab) |
 checked an hour ago | £8.95 | In stock | Visit Tooled Up (opens in a new tab) |
Prices exclude delivery. We may earn a commission if you buy through these links, which never affects the ranking above — it is always cheapest first.
Price history
Full price historyThis is the lowest price we have recorded. If you were waiting for a drop, this is it.
About this product
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.
Features and Benefits
- :
- 300ml capacity - ideal for general repairs
- Quick drying - dries in 1 hour
- Fills large holes - foam expands to 2.5 times its size
- Will not shrink or crack
- Easy to cut or sand
- Can be overpainted
- For interior and exterior use
- Trigger applicator for precise control Specifications: Foam Type: Expanding Foam Size (ml): 300
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