How to Install Guaranteed Floor Tiles

Measure the length and width of your walls and find the center point of each one. Draw a line across the floor from each line, connecting each center point to the center point on the opposite wall to ensure that they are straight. The two lines cross at the center of your room.

Place your first tile in the corner of where the two lines meet. From that tile, lay out tiles in two straight perpendicular lines -- the edges of the tiles should line up with the lines you drew, all the way to the wall. This technique, called dry-fitting, shows you the overall spacing and alignment of the tiles before you adhere them to the floor. Space them a few millimeters apart -- you can simply eyeball it -- to allow for grout.

Mix your adhesive, like thinset mortar, until it reaches a uniform consistency. Spread it on the floor under the first tile you set in place -- use a trowel to spread on a line, ridged layer about 2-by-3-feet wide. Press your first tile into place in the mortar, twisting slightly as you press down.

Continue spreading mortar and pressing tiles into it in this pattern, working in rows. Make your way all the way to the wall, then go back to the center of the room and do it again. Continue this pattern until you have laid as much tile as will fit.

Measure the space between each wall and the tiles closest to it so that you can cut your remaining tiles to fit if your tiles do not cover the entire floor as-is. Cut them with a snap cutter, then adhere them to the floor like you did the others.

Wait overnight before adding grout to the floor. Mix your grout, then spread it across the floor with a rubber float held at a 45-degree angle. Fill the cracks by moving the float with the direction of the tile lines, then moving it again diagonally.

Wait 20 minutes, then wipe away excess grout with a moist sponge, rinsing it out often.