How to smooth concrete floor

What do I use on rough concrete floor? How to resurface a concrete floor? Open any windows or doors to the outside in whatever area you need to prep. Grind down small humps or rough spots with a hand-held cup wheel grinder. These come in 4-inch and 8-inch.

Start by removing everything from the room that covers floor space, including furniture and. Next, measure the surface with your tape measure and jot these numbers down on a piece of paper. Begin with the highest number of grit, and move to the lower numbers as necessary.

The next step is to remove any metal tooling marks with 50-, 100- or 200-grit transitional tooling. How often will you be using this crawl space? A cheaper solution would be to get a little foam pad that you can place under your knees for the temporary jobs that you will do once in a blue moon. You can rent them anywhere.

Will look great when your done. If it is already smooth you may be able to just use an acrylic sealer and some coats of floor wax. If it is gritty and rough you would have to apply a coat of clear. You should follow a few simple steps to get good , but if you need it look like a mirror you need a bit practice with straight edge. This sandpaper is made using diamond when traditionally sandpaper is made using sand.

If you don’t use the right sandpaper , you will not be able to complete the job. It’s critical to your overall success. Set a straight board along predetermined marks for control joints. Run the groover back and forth against the straightedge until the bed of the tool is riding on the concrete surface. After smoothing the slab with the darby , water will “bleed” out of the concrete and sit on the surface (Photo ). Using the technique described below, move the 2xdown the forms to remove excess concrete.

Use a sawing motion to pull and push the 2xacross the concrete as you move it down the length of the forms. This sawing motion helps prevent tearing as you level the surface. Spread it over the entire surface of the floor with the push broom, and apply downward pressure to work it into the pores of the concrete. Make sure to smooth out any puddles of primer to end up with an even coat.

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Try Our Picture It Floor Visualizer! Whether you want to refinish an uneven basement floor , or replace or add new flooring on top of an existing concrete floor somewhere in your home, you most likely will need to level the concrete floor. It is also used for the first pass to smooth the concrete when starting the finishing process. The mag float helps smooth out concrete when it is softer, it brings a finer cream or paste to the surface and prepares the surface for hand troweling.

The steel trowel (on the left) is used for the 2n 3r 4th, and final finishing passes. As neede use a concrete grinder (you may want to rent one) to remove any coating and to slightly roughen the concrete surface so the adhesive will stick. If you are installing a locking or floating floor not attached to the subfloor, just make sure that the subfloor is clean.

Begin grinding your concrete floor at one edge of the floor. Place the grinder pad on the floor you plan to grind. As the grinder begins wearing away the concrete , keep a tight grip on it.

Apply slight downward pressure and move it from. Mix the concrete according to the directions with a mixing bit on a heavy-duty drill (Image 1). Mix it until it is the consistency of a thick pancake batter. The concrete was poured over the toilet collar flange and will be cut out later.

The hard trowel process must be done as part of the finishing process. Concrete is often ground down to obtain a glass-like smooth finish. There are various tools used for grinding concrete. A power trowel would be much too large to use for your application. I suggest using an aggregate free Portland cement and sand (or silica powder if its available).

An easy way to tell whether the floor is dry enough is to place a small piece of kitchen plastic wrap (about 12” square) to the surface of the concrete floor. Concrete “resurfacer” is a cement-based coating that forms a smooth , new surface right over the old concrete. Seal all edges with tape.

The cost of resurfacer for a two-car garage is typically less than $200.