How to repair a concrete floor

I would recommend filling the hole with san making sure you have it under the pipe (you did use PVC this time right?) and tamped somewhat, up to about four inches under the top of the rest of the floor. You can use a two by four to level. While those were more based on why and what to do legally. Here is the actual repair requirements to stop this from happening. Cause- Your concrete has become similar to two tactile plates and shifts, as the house settles.

How to resurface a concrete floor?

How do you fix a cracked concrete floor? Brush a concrete bonding agent into the crack or hole. Bonding agent is a liquid that helps concrete stick better. Mix the repair mortar in a bucket. Mortar is used to patch cracks in concrete.

Look for specialized mortar designed. Scoop the mortar into the crack or. While the surface is damp you can use the Top N bond concrete Patcher to repair the low spots.

If need be, you can add another layer of this product after minutes.

If the concrete floor to be repaired is heaving, has large or wide cracks, or is damaged due to freeze damage, then other alternatives should be considered instead of resurfacing. There is no generic rule for repairing a concrete floor, each concreteis uniqueand must therefore be evaluated and treated as such. For these reasons, before carrying out any type of repair, it is advisable to identify the exact problem and the subsequent use of the floor.

Add water until the mixture is the consistency of thick paint, then brush it on the damp concrete. Before that dries , mix three parts fine sand and one part Portland cement in your wheelbarrow with enough water to make the mix the consistency of thick oatmeal. Clean the slab and fill deep holes and cracks Start with a clean floor.

Scrub with a concrete degreaser and a stiff brush, then follow up with a pressure washer. TIP: unsound or flaking concrete can be removed by using a hammer and chisel or with a masonry grinding disk and a portable drill. Step Scrub and clean the surface of the repair area with a stiff bristle brush. If grease, oil, or dirt remains. This will help hold the patch in place.

All of these involve covering the existing concrete slab with a new coating of concrete or a concrete -like topping and finishing the new layer as desired. Fill the Crack with Patching Mix (also know as Vinyl Concrete) Patching mix is made from vinyl, Portland cement and sand. With a small paintbrush, coat the crack. It covers cracks up to 1⁄inch wide.

Dampen the area around the crack, and then trowel on the mix. The Su pport works Slab Pier System stabilizes the concrete floor slab in your home, and it provides the best opportunity to relevel the floor and lift non-load bearing partition walls that may have settled along with the slab. Try performing a cross-hatch test to see how the surface holds.

This test is often used to test sealers for adhesion to concrete , but it will also work on the concrete surface itself.

To treat concrete with a weak or soft surface, apply a concrete densifier or hardener. Use a concrete degreaser on any area of the concrete that has oil stains, scrubbing away the stain using a stiff-bristled brush. Sweep the surface of the floor. Mop the floor using a chemical concrete cleaner.

The cleaner will etch the floor slightly, increasing the adherence of the leveling compound. Load a cartridge of liquid concrete repair compound into the cradle of a caulk gun. Snip about 1⁄in (cm) off of the tip, then run a continuous bead of compound along the crack.