How To Repair Foundation Wall Cracks

The only way to repair foundation wall cracks successfully is by the injection process.

How to repair foundation wall cracks.

Since structural cracks are likely to become more severe over time get your crack inspection done sooner. Repair a foundation crack with an epoxy sealer photo geoffrey gross. Most are due to foundation settling and are usually not a cause for concern. Diagnosing cracks in your foundation.

The injection process fills the crack from top to bottom from inside to outside. With the exception of tiny shrinkage cracks see above any foundation wall crack should be inspected by an experienced foundation repair contractor. If a foundation wall crack is wider than inch have a pro take a look. Fix concrete cracks in 8 steps step 1.

Injecting a typical wall crack with an epoxy or urethane resin is done under pressure pushing the material from the inside all the way to the outside. Repair hairline cracks thin hairline cracks can usually be repaired with a vinyl concrete patching compound. If the crack is wider than 1 4 in 0 64 cm or runs horizontally through a foundation wall call a structural engineer. We repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall.

While caulking is fast and easy it s not the best solution for wide or deep foundation cracks. A vinyl concrete patch which usually comes packaged dry in a box is a good choice for fixing cracks over 1 8 inch thick. Cracks in your foundation come in a wide variety of shapes and sizes. Clean the area and get rid of any loose chips.

For cracks wider than 1 8 inch use a small sledgehammer and a cold chisel to chip away loose material. For cracks between 1 16 and 1 4 in 0 16 and 0 64 cm go with a concrete injection kit. 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. The average cost to repair foundation problems is 4 511 with most homeowners spending between 2 318 to 6 750 minor foundation crack repairs cost 620 or more to fix while major repairs that require hydraulic piers can cost 10 000 to 15 000.

Although many larger cracks may still turn out to be harmless it s a good idea to have a foundation contractor or a. We ll show you a simple and effective way to patch cracks with the best concrete crack filler.