While tiles are resistant to moisture and durable, the grout in between them does not have the same properties. The surface of the grout can begin to look dirty over time. If roof grout is not maintained and sealed periodically, it can let moisture into your roof, causing leaks into your home. Restoring roof tile grout is fairly easy to do and will return a bright, pristine look to your roof while ensuring that your roof is protecting your house from moisture.
- Skill level:
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Things you need
- Clear tape
- Plastic tarp
- Bleach cleaning solution
- Scrub brush
Place a tarp around the base of the roof so that cleaning solution does not pour down the sides of your house and damage your exterior paint. Make sure that any hazards are removed from around the house.
Mix an oxygen bleach cleaning solution according the directions that are printed on the product. Many times this cleaner will come in powder form and need to be mixed with warm water.
Pour the cleaning solution onto the grout one section at a time. Let the solution sit on the grout for up to 30 minutes. The solution should not absorb into grout, but rather remain on top of the grout as a puddle.
Scrub the grout with a scrub brush until the dirt and discolouration are removed. If it seems that some solution has been absorbed by the grout, pour some more solution on the grout and continue to scrub.
Spray the roof down with water to remove the cleaning solution and allow it to dry overnight.
Spray grout with grout sealer to keep the grout looking bright and restored for a longer period of time.
Tips and warnings
- Work with sealer and cleaner one area at a time.
- Use proper care when working on the roof. Proper shoes as well as someone to assist with materials will help make the job safer.
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