I need some tips on cleaning mold off the ceiling of my daughter's bathroom.
Theresa from Campbell, CA
Put an air extractor and the mold will never come back, and you won't be sticky after a shower. (08/24/2004)
We are currently renting a property with a mold in the bathroom problem. They used a paint that specifically is for surfaces that can get moldy and it wasn't cleaned before they painted and it never came back. The ceiling wasn't painted and it did come back after trying both vinegar and bleach on separate occasions.
We used Tilex Mold n Mildew last fall and just sprayed it up there and closed the door. I left the window open, picked up all rugs and towels, and the kids were at school so I didn't have to worry about them getting dripped on. Wear goggles, old clothes and gloves and try to stay angled so you are not getting dripped on. I did half the bathroom at a time and let it dry completely. It has not yet come back. (08/24/2004)
Mould on ceilings is almost always an indicator of high humidity and inadequate airflow. While you may not be able to control the ambient humidity, e.g. if you are in FNQ or the Top End, you can increase the airflow. Oops, just read you're in Sydney so shouldn't be that much of a problem. Try to persuade everyone to shower with the window open if not, open it as soon as you finish showering.
Install an extractor fan, not expensive and essential if the room has no or inadequate windows. If you are in a cold winter area just raising the temperature in the bathroom slightly may prevent condensation on the ceiling which gives the ideal conditions for mould growth. A heated towel rail may do the job.
If you apply a fungicide or bleach you can wash it off. I wonder whether the fungicidal paint, which must remain "active" to keep working wouldn't be a greater "health hazard" than the mould spores? Just a thought. The main cure is to increase the airflow and make the conditions unsuitable for mould growth.
Jo in W.A.
By Jo Bodey
I heard peroxide kills the spores which is what you want. I don't think bleach does that. (01/28/2006)
First, let's start with how to clean mold from your bathroom, where mold grows like a teenager on steroids. We use vinegar. It's good stuff. You'll want to spray vinegar in all the places where mold grows most easily. This includes places like the sealing underneath your faucets, on your shower curtains, in the grout of your tile floor, or near the edges of the linoleum, if that's what you have for flooring. I mop our bathroom floor with vinegar often.
From a microbiologist's point of view, mold spores are extremely resistant to low pH, heat and chemicals, so vinegar and conventional cleaners won't work too well. Keeping the fan on in the washroom won't help matters either, it'll just spread the spores. A temporary solution would be to paint over it with a mold resistant paint, but over time it'll still go through. The most effective (the method which has the most work) way is to pull out and replace the gypsum boards which most likely the molds will be filamenting though and behind the boards and repaint the areas with mold resistant paint.
Hope this helped. (11/04/2008)
By Chris s
As a trades person who has spent many months on "mold control" for a drywall company, I have some experience with mold. For those who have left comments suggesting surface removal of mold, I have a few suggestions of my own.
Firstly, if it is just surface mold the techniques already reviewed for mold removal will work just dandy. However, if the mold gets through your bathroom paint and into your drywall you might have the beginning of a serious mold problem. If mold gets through to the studs or through your drywall you don't have only a mold problem but a moisture control problem too. If you are sincerely worried about the value of your house, and think that mold and moisture might be a problem you are 100% best off trusting this job to a professional.
Mold and moisture help wood rot very fast and rot completely compromises the integrity of structural building materials. It sounds expensive and it is, but it gets worse if not fixed properly. Do-it-your-selfers beware, this is not something you want to get wrong so if you are tackling a mold control situation and you really don't want to have to deal with it again in 1-2 years then make sure you are doing it right. (12/16/2008)
Had yellow mold on bathroom ceiling. Tried painting with latex paint, but the mold just spread even more. In desperation had some latex undercoat paint, added bleach and painted the ceiling. Waited a couple of hours and repainted with ceiling paint. No mold for the past 2 years. (02/15/2009)
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