Xypex Concentrate is the professional's choice for concrete waterproofing and repair — a cementitious crystalline powder that you mix with water and apply directly to concrete. The chemistry permanently bonds to the concrete matrix, growing crystals that fill all cracks, pores, and capillaries. Remarkably, Xypex continues reactivating when moisture is reintroduced — self-healing microcracks before they become leaks. Used by engineers on dams, tunnels, and nuclear containment structures.

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