Repair Old Concrete Block Wall

Get rid of any dust and debris with a wire brush.

Repair old concrete block wall.

Fill the joint with a caulk backer rod. First scrub the crack clean of any loose concrete paint or old filler using a wire brush. Concrete block wall repairs are within the skills of do it yourself people. Have the confidence to try and you will be successful.

To do this you can t just spread new concrete onto the old blocks like cake frosting. Many garden and boundary walls are created using inexpensive cement blocks. Put the concrete epoxy cement on the caulking gun open up the tip to draw out a small amount and squeeze it smoothly into the crack. Cement block walls can be repaired.

Patch smaller cracks or holes with concrete. Purchase a bag of pre mixed concrete and empty the bag into a bucket or concrete tray. Retaining wall repair options whether a retaining wall is built of stone block concrete or wood it can begin to lean. In cases like mine the walls had some pieces of block that were completely missing due to poor drainage.

Clean off the walls with a brush removing all the dust and dirt. You won t be able to get a nice flat finish and it won t adhere very well. Garden hose with fine mister attachment or fine misting spray bottle. Patching cracks with concrete 1.

Mortar caulk is non structural so if your repair involves replacing portions of concrete block or if they are greater than 10 feet do not use caulk. Quikwall surface bonding cement can be applied over porous and nonporous smooth concrete and masonry walls. Using either a screwdriver or hammer or a combination of both chip off any loose concrete paint or old filler. You want to make sure your new coat of concrete has a strong steady hold to the old surface.

Either demolish the wall. Proceed to the next step. Mix the two part epoxy. When this occurs the homeowner has two choices.

It can be used to repair silos and other farm buildings. The easiest fastest cheapest solution to repairing the cinder block was using poured concrete and then painting the entire wall to mask the patch. Concrete wall crack repair in 8 steps step 1. Quikwall surface bonding cement is also an excellent coating material for cisterns and other concrete water holding tanks.

Use a nail to align injection points. 10d finishing nails partway into the crack spaced 12 in. Read and follow the caulk s label directions. Unfortunately while economical these blocks are susceptible to being damaged by the elements and many of the walls built with them begin to crumble and appear dilapidated.

Concrete is usually enough to bind together minor wall damage.