Best for very small hairline cracks.
How to repair hairline cracks in concrete walls.
To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete.
We repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall.
Use a caulk style waterproof compound to repair hairline cracks.
There are four main methods at your disposal which you can use to fix cracks in concrete.
This is the first and foremost step in the repair of hairline cracks in the concrete.
This technique will work for cracks smaller than 3 8 inch wide in the sidewalk driveway garage floor basement or steps.
For building surfaces that will remain exposed and where cosmetic appearance is a concern radonseal and perhaps others offers a stick on injection port system that allows the crack material to be injected into a wall or floor crack to leave a smooth surface.
For this project you ll need.
Fix concrete cracks in 8 steps step 1.
Fill it with a caulk suitable for use on concrete.
Use of peel and stick surface sealant kits for epoxy repair cracks in concrete walls.
A caulk style liquid concrete repair compound is affordable easy to apply and the best choice for hairline cracks smaller than 1 4 in 0 64 cm wide.
The steps involved in the repair of hairline cracks in concrete are as follows.
We repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall.
If a crack between the wall and floor exceeds.
How to fix cracks in concrete.
If you know how to fill small cracks in concrete you ll restore your concrete to a smooth finish.
Repairing a foundation crack of this nature is similar to repairing other non structural cracks.
Inspection of the crack is done and if any oil or stains have penetrated the crack and have discoloured the concrete the stains will have to be addressed.
To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit 60.
Find a waterproof liquid concrete repair compound online or at a home improvement store.
These include using simple concrete glue filling the crack with more concrete using expanding foam and even starting from scratch.