Clear away any dirt, debris, or vegetation near the foundation crack. This will make it easier to work on the repair.
Step 2: Measure the Crack
Measure the length, width, and depth of the crack. This information will be needed when selecting the appropriate repair materials.
Step 3: Clean the Crack
Clean the crack thoroughly with a wire brush or compressed air. Be sure to remove any loose material from the crack.
Step 4: Seal the Crack
Apply a crack sealant to the crack. Be sure to use a sealant that is compatible with the foundation material. Follow the manufacturer's instructions for applying the sealant.
Step 5: Fill the Crack
If the crack is wider than 1/4 inch, it will need to be filled with a patching compound. Choose a patching compound that is compatible with the foundation material. Follow the manufacturer's instructions for applying the patching compound.
Step 6: Smooth the Surface
Smooth out the patching compound so that it is even with the foundation. Allow the patching compound to dry according to the manufacturer's instructions.
Step 7: Protect the Foundation
Finally, you should protect the foundation from future damage by applying a waterproofing sealant. Choose a waterproofing sealant that is compatible with the foundation material. Follow the manufacturer's instructions for applying the waterproofing sealant.
