Product Description
Markham Superswell 47B is a sealing gasket for concrete basements, swimming pools, and retaining walls. The built-in delay system activates after approximately 5-10 days of constant exposure to water and allows concrete to gain full strength before expansion
- Excellent adhesion - can be bedded into wet concrete
- Suitable for saltwater projects
- Suitable for use in horizontal and vertical joints
- Unaffected by repeated wet and dry cycles
- Non-toxic
- Available in 5m rolls
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