How to Color Grout

Grout is the material placed between tiles to provide a seamless finish. What might look good during the design process, though, might not turn out in the way you envisioned it. Furthermore, manufacturing defects and color differences from one bag to the next can cause less than desirable results in grout color. Wear and tear, as well, can cause grout to become faded, soiled and discolored.

Things You'll Need

• Grout cleaner
• Stiff-bristled 1/4" artist brush
• Grout stain (type and color of your choosing)
• Proper ventilation
• Damp towel or rag

Instructions

1. Clean grout thoroughly, to remove dirt and grime. There are numerous grout cleaners on the market, so you just need to decide which will work best for your needs. Grout must be clean and dry in order for new colorant to adhere.

2. Test the new grout stain in an inconspicuous location, and allow to dry. This way you will be certain you have the right shade before committing the entire floor to this new color. Dark shades of grout can only be stained in the same shade or darker, as lighter colorants will only soak in and will not lighten its appearance.

3. Apply stain with a narrow, stiff-bristled brush. If the tile has been sealed, clean up of stains will be easier. However, if your floor has not been sealed, you must take great care in applying the grout colorant. Make sure to avoid brushing colorant on anything but the grout, as unsealed tiles may soak up colorant as well, and won't be easily cleaned and may, in fact, be permanently stained. Make certain that you have adequate ventilation when applying grout stain!

4. Allow to dry thoroughly, following manufacturer's directions. Once the grout stain has dried and set, you can apply a sealant if you wish.

Tips & Warnings

• Selecting a grout colorant that is the same shade as the tile will give your floor a more uniform appearance.

• Selecting colorant that is darker or lighter than the tile will serve to enhance the tile's layout pattern

• Sealing grout after coloring will protect it from taking on dirt and soil from heavy traffic.

• Do not paint over grout, as paint will peel over time since it does not soak into the grout.

• When applying colorant to a non-sealed tile floor, make certain to immediately wipe up any stain that may get onto the tiles, to prevent permanent discoloration of the tile.

Resources

• Grout Color Selection