Have you ever looked at your grout and noticed it was different colors? If so, it’s likely you weren’t pleased with what you saw. Mismatched grout is commonly caused by uneven drying which is due to improper cement hydration. It’s considered a manufacturing defect.
Regardless of what caused it, you want the mismatched grout gone. Here are some tips that can help you achieve that goal.
Getting Rid of Mismatched Grout
If you are looking to get rid of your mismatched grout, it will require a three-part process. Here are the steps:
Remove the Old Grout: This can be done with a rotary tool designed for removing grout. The right size bit is a must. Finish removing the grout with a carbide grout cutter and use a vacuum to suck up whatever’s left.
Apply New Grout: Mix a small amount of grout and let it sit for ten minutes. Then use a rubber grout float to apply it to the cleaned lines. Wipe away excess with the edge of the float held at a 45-degree angle.
Clean Excess Grout: Once grout begins to harden, wipe it with a damp sponge. A sponge with larger pores will be most effective. You should also wipe lightly so as not to remove the grout in the grout lines. Once the grout is mostly dry, wipe it with the sponge again. When it is completely dry, wipe again to remove the haze. Do not walk on the floor for several hours.
Preventing Mismatched Grout
There are steps you can take to prevent mismatched grout from happening in the first place. Here are some recommended tips.
- Use the same person for your entire job to ensure the mixing of the grout and the maintenance will stay consistent.
- Dry mix the bag before use if one bag of grout is being used. If multiple bags are being used, dry mix them together.
- Remove all tile spacers and debris before application.
- If you are working in hot or windy conditions, provide shade for your grout to prevent uneven drying.
- Maintain a uniform width and depth in the grout joints.
- Plan in advance so grouting doesn’t meet in conspicuous areas.
- Mix grout thoroughly with a low RPM mixer or by hand before using it.
- Mix grout to a paste-like consistency.
- Discard grout if it becomes too thick to work with.
- Mix grout multiple times allowing it to rest after each mixing.
- Use as little water as possible to clean up when you are done grouting. A small pore hydro grout sponge or cheesecloth is recommended.
- Lightly mist tiling with water regularly for 72 hours after grouting is complete to ensure even drying.
Mismatched grout can be quite unattractive. Fortunately, there are ways to fix this issue and to prevent it from happening completely. Good luck using these techniques to keep your home looking its best. We would love to help you with your grout, our website makes it easy to schedule a consultation, schedule today!
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