- Remains permanently flexible to accommodate structural movement.
- Safe and easy to apply.
- Excellent adhesion to substrates.
- Good crack bridging properties.
Crommelin Pond Sealer Black is a heavy-duty, synthetic rubber waterproofing membrane, designed for use in new or renovated fish ponds and water features. Pond Sealer Black is a tough elastomeric material that will remain watertight under permanently wet conditions.