The Krystol Internal Membrane (KIM) is an integral crystalline waterproofing admixture that turns a concrete mass into a waterproof barrier and comes in three versions.
- Replaces exterior membranes, liners and coatings
- Permanently waterproofs concrete and reactivates in the presence of moisture
- Dry powder admixture is added to concrete at time of mixing
- Effective against hydrostatic pressure of up 460 ft. (140 m) of head pressure from both positive and negative sides
- Self-seals hairline cracks up to 0.02 in. (0.5 mm)
- Safe for contact with potable water