Bathroom
Mould
[June 25, 2003]
Q. I have a
bath with black all around the tub and underneath the caulking. I have
removed and cleaned twice and it keeps coming back. Now that
I have read all the side effects to mould, I think I might have an allergy to it. Is there
someone in the St. Louis area that is in the "mould business"? Also does your
do it yourself test kits include the dangerous black mould test?
A. You may have a water leak INSIDE your bathroom
wall or floor that enables the mould to grow and to keep
re-appearing. Alternatively or in addition to a water intrusion
problem, you may also have too high a humidity in the bathroom
[above 60% humidity level enables mould to grow], thus enabling
mould to grow.. During and after tub baths and showers, you
should be running an exhaust fan that exhausts the humid
bathroom air directly to the outside. Be sure your bathroom and
kitchen exhaust fans exhaust air directly to the outside and NOT
[as is frequently found] into wall cavities, floor cavities,
the attic, the basement, or into a crawl space. Exhaust fans
can put large amounts of moisture-laden air into such areas, and
thus cause serious mould growth and problems. You may mould
growth INSIDE or BEHIND your bathroom walls, ceilings, and
walls, in which you will need to locate and to remove such
bathroom moldy building materials, treat the cleaned out areas
with antimicrobial coating.
You can read all about mould inspection, mould testing, and
removing bathroom mould on the how to, informative pages of
Mould section
and Mould
Inspector site. Our do it yourself mould test kits
with our expert mould laboratory analysis can collect mould
samples for accurate mould identification of all types of mould
species, including black mould [Stachybotrys mould]. Visit:
Mould Mart.
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