Foundations come in all shapes, sizes, and materials, but cracks can be a disaster for all of them. If you have cracks in your foundation, it could be a path for water or even pests to get inside. If you have cracks in your foundation, it should be repaired. Read on for instructions to repair cracks in your block and mortar foundation.
Find All Of The Cracks
Look all over your foundation walls both inside and out and circle the cracks with a piece of chalk. Marking the cracks helps prevent you from missing any areas that may need to be repaired. If you have a crawl space and you can't get into it yourself, hire a professional to help you with any interior issues. If you have a basement, finding the cracks in the walls should be easier for you.
Clean Out The Cracks
Clean out the cracks using a chisel and a stiff bristle brush. You want to chisel at an angle so you aren't digging too far into the brick or blocks. Use the bristle brush to remove any debris inside the cracks. You can also use the vacuum extension on a shop vacuum to clean out the inside of the crack. Once the cracks are all clean, you can go on to the next step.
Repair The Cracks
The cracks can be filled in with quick dry cement. You can also use caulk to patch these cracks. Fill in each crack completely and smooth it out using a scraper, or use your finger if the crack is in the mortar between the blocks to make it match with the rest of the mortar sections.
Paint Over The Wall
Once the cement or caulk is completely dry, use a product to paint over the wall to prevent water from leaking through. You can use this type of product inside your house or on your outside foundation walls. You can find this type of product at your local hardware store. Paint your entire foundation wall and help keep water out and your home dry.
If you aren't sure how to repair cracks in your foundation walls or if you have a lot of cracks to deal with, hire a professional mason to do this work for you to ensure it is done properly. A mason will be able to make repairs to the blocks and mortar of your foundation walls and give it a seamless look.
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