Q:

How do you repair a concrete garage floor?

A:

Quick Answer

You can repair simple cracks and pitting on a concrete garage floor by using a resurfacer. Larger damaged areas might require removing concrete and patching the floor first. Before repairing the floor, it's important to thoroughly clean it using a pressure washer to ensure a strong bond.

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Full Answer

Before repairing the floor, clean the garage floor thoroughly. First, use a degreaser to remove any oil and grease, then use the pressure washer to remove debris and other material. Next, determine the extent of the garage floor's damage. Relatively shallow cracks and pitting is often minor enough that simply resurfacing the floor is sufficient. Deep cracks and larger holes can compromise the floor's integrity.

Patching garage floor requires using a chisel to remove the concrete around the damaged area. One of the keys to keeping the patch in place is to angle the sides of the patch so that the hole's base is wider than the top; doing so means the patch is impossible to lift away from the floor. Use liquid bonding material to keep the concrete from sliding.

Resurfacing a garage floor gives it a like-new look and repairs minor damage. Mix the resurfacer thoroughly and pour it into a large puddle. Using a squeegee or other tool, spread the resurfacer over the floor to create a smooth layer. Because resurfacer dries quickly, try to lay it down as quickly as possible. Follow the instructions to determine when you can walk on the surface and park a vehicle on it.

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