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Grout mold

I found mold in the bathroom – what should I do?

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Mold found on tiles or grout in the bathroom often indicate a more serious mold contamination issue behind the visible area. If the mold is on the caulking, then read this article. If you’re not sure of the difference between grout and caulk, grout is used to fill in the spaces between tiles, whereas caulk is used on the edge of the tiles perpendicular to the tub/floor

Porous grout, missing grout and damaged tiles are all contributors to moisture penetration to the drywall behind. Often large amounts of mold are found behind the drywall and can pose a serious health hazard by attempting to do with yourself without proper equipment and precautions.

Mold found on the ceilings or walls of the bathroom indicate excessive moisture most often due to the lack of ventilation and the rise of interior humidity.

It is always best to contact a mold remediation professional to inspect and test moisture readings and thermal imaging for a proper assessment. Call us for a free inspection at 416-791-8020.

As this is a more serious issue as compared to finding mold on the window or along the caulking, here are things to be mindful of when mold is on the grout:

  • Attempt to remove the mold without using proper precautions. This will not only make it a possible health hazard, but you can easily spread the spores to other areas.
  • Continue to clean the mold making the underline problem worse and more expensive

As always, NOT doing anything will usually lead to increased mold growth and make the issue worse.

If in doubt, call us for a free inspection at 416-791-8020.

Mold Shower

I found mold in the shower caulking – what should I do?

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I found mold in the shower/bathtub caulking – what should I do?

If mold is visible on the caulking in the shower or bath tub, then that immediately tells us that the wrong type of caulking was used.

Caulking is for baseboards and interior doors – not for bathrooms or kitchens where moisture is present.

Bathrooms and showers will always have moisture due to their nature, and therefore require 100% silicone to be used instead of caulking. Silicone is not organic and therefore is not a food source for mold. Caulking on the other hand is a food source for mold.

Silicone is mold and mildew proof and most manufacturers guarantee it. Here is one product we recommend.

So what is the solution?

We recommend removing the caulking and replacing it with silicone. This is a relatively simple process and we do not recommend hiring a mold removal company to do this. In fact, here is a simple step-by-step guide that will show you how to do this:

What you should not do

  • Paint over it- giving more moisture and food for mold to grow
  • Bleach it- does not kill embedded mold just discolours the surface of it
  • Use vinegar- does not kill just discolour it
  • Not do anything- this is the worst option of them all! Mold will continue to grow and possibly spread to other areas of the bathroom.