One of the best garage floor crack repair epoxy kits is rust oleum s epoxyshield concrete patch repair.
Repairing large cracks in concrete garage floor.
If your concrete is the same height on both sides of the crack you can fix it yourself.
New homes cracks that occur in the first few months or years.
Epoxyshield has a good reputation and is easy to use.
Concrete cracks are caused by sideways expansion poor drainage conditions or settling soil beneath the concrete.
When a garage floor is first poured the concrete begins to harden contractors say cure and when this process takes place the concrete shrinks a little.
If grease oil or dirt remains in or near the crack clean it thoroughly.
Chip out the cracked portion with a maul and cold chisel.
A 20 foot square of freshly poured concrete will shrink about a 1 8 of an inch in each direction.
Epoxy is a common way to fill in larger cracks and so is a polymerized concrete mix.
With a cold chisel and large hammer undercut the edges of the crack.
Sweep away any loose debris then vacuum the crack.
With a wire brush clean the crack.
Wear an n 95 respirator and turn on a fan to blow the concrete dust out of the garage.