How To Repair Crumbling Concrete Block Retaining Wall

Once you re finished clean off the concrete with a hose to get rid of any dust left over.

How to repair crumbling concrete block retaining wall.

Use the drill with the paddle mixer. Fill in the cracks or holes with concrete. The purpose of these metal straps is to provide a connection between your new concrete and the original wall. To attach the new concrete to the end of the wall you need to use wall ties.

Wash the walls with an acidic solution check on amazon to neutralize the salt completely and allow to dry for a few hours. Apply concrete to any gaps in the blocks or mortar using a shovel. Use a clean paintbrush to make sure that the entire area is free of cement dust and other debris. Scrub the crumbling areas of the wall gently with a stiff bristled brush to knock away small loose pieces of cement.

Mix to a thick consistency. If you have a colored concrete retaining wall now is the time to add the coloring to the mixture. When this occurs the homeowner has two choices. Step 3 place two large cement blocks tightly against the wall underneath the area to be patched.

Then use a metal file to smooth off any rough mortar bits around the damage. Wear work gloves during this process to protect yourself from some nasty scrapes. Clean and prepare the concrete blocks. First off brush off any loose material from the basement walls.

Fill the holes and cracks as deeply as you can then scrape the top over with a trowel so the concrete can patch the wall together evenly. Check all areas that will need repair including cracks and holes. Spritz the holes that need to be repaired with some water and immediately brush on the cement lime paint mixture. Either demolish the wall.

Immediately cover this paint with the pea gravel concrete so it s flush with the. Follow the manufacturer s instructions to mix water with the quickrete mixture or concrete resurfacer.