Repair Old Concrete Block Wall

Either demolish the wall.

Repair old concrete block wall. When this occurs the homeowner has two choices. 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. 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. Patch smaller cracks or holes with concrete.

Read and follow the caulk s label directions. First scrub the crack clean of any loose concrete paint or old filler using a wire brush. Retaining wall repair options whether a retaining wall is built of stone block concrete or wood it can begin to lean. Concrete wall crack repair in 8 steps step 1.

Have the confidence to try and you will be successful. Garden hose with fine mister attachment or fine misting spray bottle. The easiest fastest cheapest solution to repairing the cinder block was using poured concrete and then painting the entire wall to mask the patch. Fill them in with some mortar and let it dry.

Cement block walls can be repaired. Purchase a bag of pre mixed concrete and empty the bag into a bucket or concrete tray. Quikwall surface bonding cement can be applied over porous and nonporous smooth concrete and masonry walls. You want to make sure your new coat of concrete has a strong steady hold to the old surface.

Using either a screwdriver or hammer or a combination of both chip off any loose concrete paint or old filler. Mist any cracks or holes with a handheld bottle. Quikwall surface bonding cement is also an excellent coating material for cisterns and other concrete water holding tanks. In cases like mine the walls had some pieces of block that were completely missing due to poor drainage.

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. Smooth over the repair with a damp cloth and allow it to set. Patching cracks with concrete 1. Use a nail to align injection points.

10d finishing nails partway into the crack spaced 12 in. Mix the two part epoxy. Proceed to the next step. Concrete block wall repairs are within the skills of do it yourself people.

Get rid of any dust and debris with a wire brush. It can be used to repair silos and other farm buildings. Many garden and boundary walls are created using inexpensive cement blocks. Fill the joint with a caulk backer rod.

You won t be able to get a nice flat finish and it won t adhere very well.