20 KG Krystol Internal Membrane (KIM) Bag | Crystalline Waterproofing

Upgrade your concrete with permanent, integral waterproofing that outlasts traditional surface-applied sheets and liquid membranes. Krystol Internal Membrane (KIM) is a dry powdered admixture added directly to fresh concrete during batching. Once mixed, KIM initiates a catalytic reaction that forms a dense crystalline network inside concrete pores, blocking pathways for water and waterborne contaminants from the inside out.

Because KIM becomes an integral part of the concrete mass, it will not tear, puncture, degrade, or delaminate. If micro-cracks form years down the road, dormant chemicals reactivate upon contact with water, expanding the crystalline network to seal leaks automatically.