How To Repair Foundation Wall Cracks

Cracks in your foundation come in a wide variety of shapes and sizes.

How to repair foundation wall cracks.

Repair hairline cracks thin hairline cracks can usually be repaired with a vinyl concrete patching compound. It is not unusual for foundation cracks to form within the first year of new construction often near windows corners of the walls or floors or in the longer sections of your foundation. If the crack goes through both sides of the foundation wall repair the exterior before repairing the interior. Diagnosing cracks in your foundation.

Scrub and sweep the area around the crack. Mix the concrete patch to the consistency of a thin paste. If you re repairing a crack in a foundation wall lay a drop cloth beneath the work area to protect your floors from drips of repair compound. To repair a small crack follow these steps.

Clean the area and get rid of any loose chips. We repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall. If a crack between the wall and floor exceeds. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit about 60.

For cracks wider than 1 8 inch use a small sledgehammer and a cold chisel to chip away loose material. Most are due to foundation settling and are usually not a cause for concern. See below for a shopping list and tools subscribe to this old house. Then sweep or vacuum up any lingering dust and debris.

Repairing a foundation crack of this nature is similar to repairing other non structural cracks.