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How to caulk a backsplash

Don't forget your caulk! The finishing touches on your new backsplash. Caulk helps makes sure that no water seeps through from the sink and other areas and damages your tile.

Quick Tip

Caulk will appear much lighter than the grout until it dries completely. Don’t panic! Simply focus on creating clean, straight joints to achieve your vision.

How to caulk a backsplash image.

Once the grout has cured, you can finally address those movement joints--the spaces between your tile and adjacent walls and fixtures.

We recommend the use of TEC® Skill Set Unsanded Caulk, but tA diagram showcasing how to caulk a tub.o ensure matching, it’s best to use a caulk from the same manufacturer and same color as your grout. Note that 100% silicone caulk is required at base of walls and countertop.

Your movement joints must be completely dry before beginning to caulk. Otherwise, the caulking will not stick. Using a caulking gun, squeeze a thin bead of tub-and-tile caulk, the same color as the grout, into your movement joints. Aim to install enough caulking to completely fill the joint without over-filling and making a mess. When the joint has been filled, smooth it with a wet finger or putty knife. Wipe away excess caulk from backsplash.

TEC® Skill Set Unsanded Caulk is available at select Lowe's.

Our diy Expert

Ron Sheldon

Ron Sheldon is a tile and floor installation guru. He has far too much knowledge on obscure topics like grout and floor leveling. A passionate tile contractor by trade, Ron’s spent the past decade dedicated to educating people about tiling, and has great advice on how to perfect your project.

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