Lay a backer board over this layer of mortar and secure it with screws. Start applying mortar on top of the backer board in small sections. As you spread the mortar, your trowel should be at a degree angle to ensure consistency across your floor. Begin laying the tiles by setting one corner in place and slowly pressing down along the rest of the tile. Make sure you press down hard to get a secure bond with the mortar; then follow up by tapping it with a rubber mallet to release any air bubbles.
Set the spacers in between each tile to make space for the grout. Wait 24 hours after the tile has been laid; then start applying the grout. Spread it over the tile, being careful to push it into the cracks left by your spacers.
Wait 72 hours after applying; then grout and gently clean off the tiles with warm water and a sponge. Allow the grout to dry fully; then apply a grout sealer. This product will protect your grout from water and stains and make it easier to keep clean. The grout is necessary for keeping straight lines in your layout and preventing damage from the tiles rubbing against one another. Be sure you choose the correct spacer size for your project.
Since granite tile is a relatively expensive upgrade for your home, hiring professional installers ensures your investment will be better protected over time. Your email address will not be published. Learning Center Find the answers to your home improvement questions.
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Fill in the low spots and grind the high spots. This is a very critical step, as an uneven subfloor can cause the granite tile to crack in the future. Plan the layout before permanently laying granite floor tiles. You can either choose to start laying at the center of the space, or at the corner near the entry door. If the cut tiles will become too narrow, then you will have to adjust your layout.
First you need to make sure that you are using mortar that is specifically made for granite laying. Mix the mortar according to manufacturer instructions. The recommended mix is 1 part cement and 5 parts sand and then mix with water to achieve ideal smooth consistency. Aside from mixing conventional mortar, you can consider using a tile adhesive. You can apply it in thickness between 6 to 8mm. Using a trowel, apply a thin an even layer over the surface and spread it covering small areas at a time.
Place the granite tile on top of the mortar and press it firmly on all corners, and then twist it a little so it bonds better with the mortar. Lightly tap the tile using a rubber mallet. This will ensure that the tile is in proper contact with the mortar. Place tile spacers and then place the next tile using the same procedure. Continue doing this until you have covered the entire area, except for the edges. Just like porcelain tiles, granite tiles can handle small grout joints. However, if the granite tiles you purchased have imperfect cuts, using tile spacers can be a challenge.
You will need to cut whole tiles until you cover the edges all around. To do so, take measurements and you need a diamond wet saw if you want to do it easier and faster. You might want to consider installing crack-isolation membranes between the granite and concrete subfloor. This will prevent you unnecessary costs for repairs in the future. As you spread the grout over the tile, apply pressure to force the grout into the gaps. Wipe out excess grout before it hardens.
Wait for the grout to cure for 3 days before you clean the tiles with sponge and warm water. This will clear your floor of any remaining debris and residue. After that, apply grout sealer to ensure that the joints are also protected from water and stains. One of the highest rated brand for grout sealers is StoneTech. As for sealing the granite tiles itself, it would depend on the type of granite that you used. To test if your granite needs sealing, place a paper towel soaked in water over the granite.
Wait for five 5 minutes. If discoloration occurred after you placed the towel, then it means that the granite is absorbing the water. If such is the case, you need to seal your granite floor.
Next, you need to perform a solvent test.
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