290ml Black Sealer for Pond Liners – Bonds Underwater
Reliable black sealer for pond liner repairs and underwater bonding.

Key features
- Bonds underwater without draining
- Adheres to damp surfaces
- Non-toxic and safe for aquatic environments
- Suitable for a wide range of materials
- Easy to apply in a 290ml cartridge
£39.98 incl. VAT
For one 290ml pack · SKU HUGLDLBL290B
Questions before you order? Ask us.
About this product
This 290ml black sealer is designed for effective sealing and joining of various materials, even underwater. It’s non-toxic and suitable for use on damp surfaces, making it perfect for pond maintenance and repair without the need to drain water.
Used for
- Pond liner repairs
- Sealing splits and cracks
- Joining materials underwater
- General pond maintenance
- Sealing around pond fittings
Specification
| Colour | Black |
|---|---|
| Compatible with butyl, rubber, vinyl, glass, ceramic, stone, concrete (with primer), and wood | |
| For use underwater or on damp surfaces | |