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Exterior Foundation Crack Repairs
Finished basements with water leakage and seepage through foundation cracks or other weak spots of the foundation wall require a different repair method. Utilizing an exterior membrane application will prevent seepage and leaking, which can be made worse by storms and freezing temperatures commonly experienced in the Chicago area.
Steps for applying the membrane
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Dig down to the footing by following the foundation crack
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Clean and dry the surface and prepare the membrane
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Apply the membrane to areas that will not be exposed to the sun. For areas that are, we use polyurethane caulking
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Install plastic on the top of the membrane and caulking
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Start backfilling
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Use waterstopitch powder between the membrane and the soil for additional protection
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