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Polyurethane Grouting
Dec 03, 2018

Polyurethane is the method of injecting extending polyurethane grout into voided areas, inside structures or under slabs-on-grade to fill voids or relevel slabs. Polyurethane grouting is a fast, cost-effective repair process for developing settled and unstable concrete.

How Polyurethane Grouting Works

Polyurethane is the method of injecting extending polyurethane grout into voided areas, inside structures or under slabs-on-grade to fill voids or relevel slabs. Polyurethane grouting is a fast, cost-effective repair process for developing settled and unstable concrete.

Polyurethane Grouting Common Uses

Create barriers to water flow

Fill voids

Re-level slabs

Seal crack and joints

What Polyurethane Grouting Is Best For You?

There are various times when polyurethane grouting is the only restoration method that will address a problem. Here are some of the times when polyurethane grouting is vital

Large slabs

Large slabs are best secured with polyurethane grouting because polyurethane can travel under the entire slab from just one or two injection holes. These builds a more diffuse lifting force than grout. These speed up work and decreases the chance of breaking.

Faster responding lower density foams typically start to expand within a few seconds of injection, so they are good for concentrated lifting. Slower responding, higher density foams can travel as a liquid for up to 45 seconds before starting to extend and harden.

Heavy slabs

Because of its high improvement force and ability to settle under large areas of slabs and formations before expanding, high-density polyurethane can lift exceedingly heavy slabs with ease.


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