Most basements eventually leak. Even if a crack is not leaking now,
eventually water will find it. Crack injection has been an accepted way of
tackling these repairs for many years. These cracks—due to drying
shrinkage, thermal movement, and other causes—usually are minor and result
in few problems. But over time, even minor cracks can grow larger and
cause big headaches, such as loss of structural integrity or, more
commonly, water leakage.
In some cases homeowners can now have these cracks
fixed permanently—without the need of disruptive excavation—using
low-pressure injection of epoxy or polyurethane foam repair materials.
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