Reference Library : Videos : How to Use CUSTOM Grout Colorants

How to Use CUSTOM Grout Colorants

Video Transcript

Grout colorant offers homeowners a low cost method to change or update the color of grout. Use it to renew old or stained tile installations. Or, modify an existing grout color to change the look of the tile.
In this video, we are going to show you how to install a grout colorant from CUSTOM.
CUSTOM grout colorants come in a variety of shades. CUSTOM’s formula seals against future stains while it tints the grout. It’s also resistant to color fading, and mold and mildew growth on cured grout.
Follow the isntructions in the video to recolor grout. The instructions apply to typical cementitious grouts, like PolyBlend or Prism. Before using grout colorant on other types of grouts, contact Custom Technical Services. Review the Technical Data sheet online for the most comprehensive details and coverage charts.
Depending on your project, assemble the following tools and materials:
• Clean container
• Fresh water
• Toothbrush
• Stiff scrub brush
• Sealer remover, such as Sulfamic Acid
• Clean up sponge
• Spray bottle
• Microfiber or paper towels
Always test a small section of grout with the colorant. Any unglazed, porous or stone tile will require pre-sealing to prevent staining by the colorant. Before coloring an existing grout, begin by cleaning the joints with a product designed to remove the old grout sealer and other contaminants. Scrub the joints with the cleaner to open up the pores in the grout and allow the colorant to penetrate and bond.
If you are simply changing the color of freshly installed cement grout, allow the grout to cure for at least 48 hours prior to treatment. Both grout and tile must be clean and dry before applying grout colorant.
Wear impervious gloves, such as nitrile, and other protection recommended on the safety data sheet. Shake the bottle well before starting.
If you’ll need more than one bottle for your project, mix them together first for the most even color shading. Using a soft toothbrush, apply colorant to the grout joints with a back and forth motion. Spread a light, even coat with a firm touch.
Wipe excess colorant from the tiles while it is still wet. This will make clean up easier.
Once applied, the colorant will need to set for about an hour.
Do not color a larger area than you can clean in less than two hours. The square footage treated will vary depending on the number and size of the grout joints.
After the colorant has set, lightly mist the area with water. Let the water dwell on the tile for about 5 minutes. Begin clean up with a white nylon scrub pad. Remove colorant from the tile surface with a light scrubbing action. Avoid removing it from the grout joints. Pick up remaining colorant residue with paper towels.
Buff the surface with a sponge or towel to prevent any haze. If you’re coloring a sanded grout, or lightening the grout color, the joints may require one to two additional treatments for the best results. Allow at least a 2 hour cure between coats and before any foot traffic.

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