How To Straighten A Concrete Wall

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

How to straighten a concrete wall.

The most direct method is to support the house with a beam and post jacks remove the damaged wall section and replace it with fresh block and mortar. 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. We repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall. This is the maximum the foundation wall can be moved inward before the appropriate course of action is to excavate and straighten the wall.

This of course should only be done after making repairs to the damaged part of your walls with concrete check on amazon. The crack must be prepared so that the sealant will adhere to the crack surfaces. Mist the wall with water and then apply a coat of thoroseal with a latex additive check on amazon. If the wall is cracked or if it is moving inwards then you can use hydraulic cement to fill the voids.

Hydraulic cement is a very useful material which is available from pretty much any hardware store. Step 1 clean and prepare the cracked area before you start to repair the crack use any combination of a wire brush vacuum or power washer to remove any oil dirt or debris from the concrete wall surface and from inside the crack. Tie backs also called dead man anchors should be installed to tie the wall into soil well behind the wall. Drains should be laid behind the foot of the wall to move water away before pressure.

A ten inch thick foundation wall can be stabilized with inward movement up to three inches. The injection process fills the crack from top to bottom from inside to outside. The general rule of thumb for a poured concrete foundation wall is 30 of the wall thickness. Then you ll need to install a footing.