How To Repair Cinder Block Walls 12 Steps With Pictures

Depending on the extent and roughness of the cracks or holes, this can take anywhere from several minutes to an hour.

Hosing down the wall primarily works for outdoor cinder block walls. If your wall is indoors, fill a bucket with warm water and clean the wall off with a wet washcloth.

Repair your cinder block wall during the hottest time of day so you can work quickly.

If you prefer, you can make the concrete yourself instead of using a pre-mixed bag. Always wear protective glasses, a ventilated mask, gloves, and long pants when mixing concrete. [5] X Expert Source Gerber Ortiz-VegaMasonry Specialist & Founder, GO Masonry LLC Expert Interview. 10 March 2020.

Wear safety goggles while chipping the block out to prevent eye injuries. [9] X Expert Source Gerber Ortiz-VegaMasonry Specialist & Founder, GO Masonry LLC Expert Interview. 10 March 2020.