Repairing Concrete Basement Wall Cracks

We repaired a foundation wall which had an 8 ft long crack.

Repairing concrete basement wall cracks.

This basement has a crack running horizontally along the block concrete wall. 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. Repairing a foundation crack of this nature is similar to repairing other non structural cracks. 10d finishing nails partway into the crack spaced 12 in.

Mix the epoxy sealer. Poured in place concrete walls these are the most common type of basement walls built across the us today. The only way to repair foundation wall cracks successfully is by the injection process. To fix the vertical cracks in your retaining wall the first step is to clean the cracks and ensure there s no loose concrete in between the opening.

Repair a foundation crack with an epoxy sealer. Mix the two part epoxy. It is not unusual for cracks to appear in basement walls regardless of the type of wall you have. 10d finishing nails partway into the crack spaced 12 in.

Seal small cracks or gaps around pipes with a concrete patching compound. Filling a small and moderate crack is necessary to prevent unhealthy conditions in the home. Large unstable or growing cracks require a professional inspection to determine the structural stability of the basement before filling. Unfortunately in the case of basement floor cracks the water is entering from the underside that you can t reach.

Cracks in basement walls allow water to enter the basement which leads to mold and mildew growth. There s also a stair step crack on each end of the horizontal crack and the wall is bowed in about 1 in. A structural engineer should inspect any cracks that are wider than a pencil tom silva this old house. Fill larger cracks inside and out with hydraulic cement which expands as it cures.

Use a nail to align injection points. The injection process fills the crack from top to bottom from inside to outside. Block out the injection ports. Concrete wall crack repair in 8 steps step 1.

Fix concrete cracks in 8 steps step 1. Crack repair methods also depend on the type of foundation that s breaking. You can t handle this cracked wall by simply filling the crack and finishing off the basement. They re usually constructed by pouring concrete into metal or wood forms and then the forms are removed once the concrete has set up or hardened.

Fill it with a caulk suitable for use on concrete. If a crack between the wall and floor exceeds.