Things You'll Need
Household floor cleaner
Chalk snap line
Peel and stick tiles
Peel and stick vinyl tiles are among the easiest for a homeowner to lay, because they require no adhesive and no special underlayment. All you have to do is peel off the wax paper backing and press them to any clean, dry, firm surface. Concrete is an excellent base for peel and stick vinyl tiles, as long as it's solid and clean. Lay the tile out in the same way as other forms of tile, in a grid pattern that starts in the middle of the floor.
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Thoroughly clean the concrete floor using household floor cleanser and a scrub brush. Rinse thoroughly. Let it dry for at least 48 hours.
Lay two intersecting chalk lines over the floor, so they cross in the center of the floor and divide it into four quadrants. Use a square at the intersection to adjust the lines as you lay them so each angle is 90 degrees.
Peel the paper backing off your first tile. Press it to the floor at one corner of the intersection, so two perpendicular edges of the tile are bordered by the two of the lines. Press it firmly to the concrete, using the palms of your hands and all your weight.
Peel the paper off the next tile. Press it to the floor alongside the first one, butting the tiles tightly to each other and making sure to line up the corners.
Repeat the process, building out from the middle toward the edges of the floor, using the lines to keep the grid straight. Lay all the full tiles that will fit.
Measure and cut tiles for the edges of the room by the walls. Cut them by scoring them with a razor knife and then snapping them in two. Install them with the cut ends facing the wall.