680g Expanding Waterfall Foam Black – High Yield, Weatherproof
Professional-grade black expanding foam for waterfall and pond features.

Key features
- Weatherproof and UV-resistant formulation
- Discreet black colour for natural appearance
- Fills gaps and voids effectively
- High yield for large coverage
- Closed cell structure for durability
£49.98 incl. VAT
SKU WFALLOAM02
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About this product
This 680g expanding foam is designed for landscapers and pond builders, providing a weatherproof seal that blends seamlessly into shadows and natural environments. Its high-yield formula fills gaps and voids, ensuring strong, long-lasting results in water feature construction.
Used for
- Sealing and shaping waterfall features
- Pond construction and repair
- Landscaping projects
- Filling voids in outdoor water features
Specification
| Can size | 680g |
|---|---|
| Yield | Up to 60 litres |
| Bead output | Approx. 3200 linear feet (1/4” bead) |
| Closed cell foam | |