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Flooding, leaks, or simply poor handling of roof and surface runoff can send water under a building where it causes loose soil to settle. The bad news about typical floating slab construction (where the soil is not compacted) is that anything that causes the soil to settle risks slab cracking and settlement. If you leave out control joints the cracks will occur in a messier pattern at To you to either provide control joints, or not.
#Basement slab crack repair how to#
SEAL CRACKS IN CONCRETE, HOW TO - more poured concrete crack sealing methods.SEAL CRACKS by POLYURETHANE FOAM INJECTION - non-structural cracks (often the case with poured floor slabs) may simply need to be sealed in floors (or walls) to stop leaks.Control Joint Cracks in Concrete - adding control joints may be necessary to reduce further slab cracking if the joints were omitted in the original construction.Please see the individual slab crack repair articles listed below List of Slab Crack Repair Methods Articles
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See FROST HEAVE / EXPANSIVE SOIL CRACKS in SLABS for details.
#Basement slab crack repair series#
This article series describes how to recognize and diagnose various types of foundation failure or damage, such asįoundation cracks, masonry foundation crack patterns, and moving, leaning, bulging, or bowing building foundation walls. This article describes methods for repair of cracks that occur in poured concrete slabs or floors and explains the need for accurate crack cause diagnosis and impact on structure before repairs are attempted.Ĭracks in concrete floors or slabs occur in poured concrete slabs may be found both in basement and in slab on grade or "patio home" construction and have a variety of causes and cures that we discuss here.
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