Monday, November 2, 2009

Why does mold or mildew grow in my tub/shower when I have a cleaning service?

This is a great question and has both a simple and a complex answer. Mold is a living organism and gets larger by feeding on air and water. The mold will seem to go away after your cleaner comes, only to reappear several days to a week later. This is because the mold is based not in your tub or shower, but in the wall behind.

Some cleaning chemicals (such as Tilex Mold Remover) will delay the onset of mold longer than normal bathroom chemicals because they are designed more to kill the mold than clean the surface. They seep into the cracks around the tub or shower and thus slow down the mold's reappearance. If you have mold, leaving Tilex out for your Maid Service to use is a good temporary stop-gap.

The long term solution to mold is to remove it from the source (behind the wall). This is easier said than done and requires significant construction effort to accomplish. It also requires a pest company to spray the affected wood prior to refinishing. Also all joints need to be properly sealed in order to prevent moisture from getting behind the wall again.

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