Leak-Proof FLEX-LV
Low Viscosity
This is our Main Crack Injection Grout for use with fine cracks and/or cold weather. It is a 100% solids, single component polyurethane grout. It will cut-off water flows by displacing the water and producing a tough, flexible closed cell foam with excellent adhesion to the concrete. This PU grout is highly adjustable with the use of the required activator called Leak-Proof FLEX-ACT-LV. It is slightly more reactive than the Leak-Proof FLEX.

Leak-Proof FLEX This is our Main Crack Injection Grout. It is a 100% solids, single component polyurethane grout. It will cut-off water flows by displacing the water and producing a tough, flexible closed cell foam with excellent adhesion to the concrete. This PU grout is highly adjustable with the use of the required activator called Leak-Proof FLEX-ACT.

Leak-Proof SEMI-FLEX
Two Component
Designed to produce a more flexible end product for two component grout users.

Our Exclusive Low Cost Two Component Brand -  This very high quality grout is used to stop water under a hydrostatic head and provide a resilient tough and rigid closed cell polyurethane grout. Cracks in tanks, tunnels, pipes, basements, pools, subways or any structure where water intrusion must be stopped, are capable of repair with Leak-Proof CUT. Can also be used for under-slab grouting projects.
CUT refers to the products’ ability to quickly “cut” off the flow of water through leaking cracks and joints. This product will also expand to fill voids. Semi-Rigid Foam
Very similar to the AquaFLEX-CUT and Sikafix PU products.