Urethane Crack Injection
Cracking is a common issue that occurs with poured foundations. Concrete walls will crack due to the release of water during the curing process (known as shrinkage) or because of settlement. Cracks are commonly found near breaks in walls (such as windows and beam pockets) or in the middle of long walls uninterrupted by turns in the wall. These cracks often leak and surface repairs with rigid products such as hydraulic cement or epoxy will often fail within a couple of years. Proper crack repair requires that the cracks be fully filled with either epoxy resin or urethane foam.
The Urethane injection method can also solve other common problems with pipe penetrations that leak. When a pipe is installed through a foundation wall, many contractors seal the remaining gaps with cement. This cement shrinks when
curing and can eventually provide a means for water to enter
the structure. Vibrations and temperature differences in the pipe can also cause separation between the pipe and the wall.
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