Repair a foundation crack with an epoxy sealer photo geoffrey gross.
How to repair foundation wall cracks.
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.
If the crack goes through both sides of the foundation wall repair the exterior before repairing the interior.
To repair a small crack follow these steps.
Cracks in your foundation come in a wide variety of shapes and sizes.
For cracks wider than 1 8 inch use a small sledgehammer and a cold chisel to chip away loose material.
Clean the area and get rid of any loose chips.
Foundation wall cracks can often be repaired quickly and affordably.
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.
If a foundation wall crack is wider than inch have a pro take a look.
We repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall.
With the exception of tiny shrinkage cracks see above any foundation wall crack should be inspected by an experienced foundation repair contractor.
Fix concrete cracks in 8 steps step 1.
The injection process fills the crack from top to bottom from inside to outside.
While caulking is fast and easy it s not the best solution for wide or deep foundation cracks.
Diagnosing cracks in your foundation.
Since structural cracks are likely to become more severe over time get your crack inspection done sooner.
Most are due to foundation settling and are usually not a cause for concern.
For cracks between 1 16 and 1 4 in 0 16 and 0 64 cm go with a concrete injection kit.
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.
A vinyl concrete patch which usually comes packaged dry in a box is a good choice for fixing cracks over 1 8 inch thick.
The only way to repair foundation wall cracks successfully is by the injection process.