Hurricanes Katrina
and Rita
Mold
Problems, Inspection, Testing, & Remediation
Q. I live in
Mississippi
on the
Gulf
Coast,
2 miles inland. My home is 30 inches off the ground and I have insulated
the bottom of the floor two years ago. I am now considering bricking up
around the sides and putting at least two vents between each pillar to have
the cross flow when the vent are open. If I do have this bricked in would
it cause mold or condensation to form on the insulation. Right now it is a
free flow all the time. [December
6, 2005]
A.
Your proposed
construction plan is good to help prevent water and mold problems, but here
are some suggestions for additional steps. 1. Add waterproofing compound to
the cement you use to put the bricks together. 2. On the inside of the brick
walls, apply a thick stucco surface of cement and waterproofing compound. 3.
Make sure there is NO present mold growth in the crawl space, and be sure to
mold test the air of the crawl space and your entire house and its
heating/cooling system with do it yourself mold test kits. 4. Install a
cement floor in the crawl space area with waterproofing compound mixed into
the concrete to make the cement floor an absolute barrier to water
penetration [wicking up] from the ground below. 5. Spray onto all crawl
space timbers, flooring, etc. at least two wet, heavy sprayings of the
EPA-registered fungicidal coating.
Q. I am trying to salvage what I can
from Hurricane Katrina. 1. What do you recommend to clean mold from the
inside and outside of suede boots and shoes? 2. Some of my clothes are still
wet but I can't see any mold. Is it safe to let them dry out and then have
them dry cleaned? 3. Are dishes that were not in the flood water safe to
salvage and how should they be cleaned? 4. What should be used to treat the
house once it is gutted? Everyone is using bleach, but now I hear that
bleach is not enough? [Nov. 30, 2005]
A.
Here are the answers to your good mold questions: 1. Use multi-enzyme action
mold cleaner. 2. Dry clean dry cleanables as soon as possible. Washables
should be washed several times with Borax laundry detergent, a natural mold
cleaner, in warm water. 3. Wash the dishes with Borax, as mentioned above.
4. Bleach is ineffective for killing mold. Learn why at
Bleach and Mold. Learn the 25 steps for safe and effective
mold remediation.
Q. I have a house that has been
under water for eleven day form the effects of hurricane Katrina. The house
had a lot of furniture left in it. The long and short of it the house has
had moisture in it for about sixty five day and the mold has grown
everywhere except the attic. I have pulled all of the sheetrock off of the
walls and let the house open for almost a week. Should I remove the
ceilings? Can this expose the mold to the attic? I have been told to use a
solution of bleach and water to remove the mold, along with pressure washing
the wood in the inner walls. Other people are telling me to have the house
professional cleaned. I have major concerns of the mold returning after the
sheetrock has been hung. [Nov. 12, 2005]
A. It is probably very advisable
to remove the ceilings because moisture and mold may have reached the
ceiling because of the moldy walls and high indoor humidity during the
flood. Do not use ineffective bleach to kill mold. Learn why at
Bleach Mold. If you want to protect both your family health and home
investment, read and follow the 25 steps for safe and effective
mold remediation.
Q.
We live in Metairie, LA, and had a foot of water in our home as a result of
Hurricane Katrina. Our house has been gutted on the first floor up to above
where the mold and mildew was growing. We are concerned about the ducts in
our home. We are had a hole in our roof where the heater vent blew off;
we're having to replace the air conditioning unit, etc. The contractor who
ripped out the walls and some ceilings, sprayed and dryed it, but my husband
and I are still concerned, but most of the people we speak to do not seem to
be concerned since the gutting process. [November 1, 2005]
A.
Removing and discarding mold-infested building materials was a wise step on
your part in response to the Katrina-caused mold problem. But you also need
to use mold fungicides and mold preventatives on cleaned out areas prior to
closing in the areas with new building materials. Read the 25 steps for safe
and effective
mold remediation.You can test the ducts in your home by operating the
heating/cooling system on fan ventilation with mold test kits at each duct
register outlet to collect samples of the outward air flow. Read about
heating/cooling duct and equipment
mold inspection..
Q. My house in Orange, Texas, is
undamaged by Hurricane Rita, but there will be no power or water for several
weeks and I am not permitted to resume residence. What should I do to
prevent mold formation?
A. Use a hand-pumped garden sprayer
[from a large hardware or home improvement store] to spray a fungicidal
coating on all attic surfaces, basement surfaces, and crawl space
surfaces, including floor, walls, and ceilings. Use either a
Mold Home
Home Remedy.
Wipe down all interior home walls, floors, ceilings, furniture and
appliances with an effective mold cleaner.. [September 30, 2005]
Q.
My home in Metairie, a suburb of New Orleans, recently got at least one
foot of water within some parts of the home. During a visit to my property
to salvage and do some preliminary clean-up about a week after the hurricane
hit, the mold that was festering was of a white color and growing in small
clumps on furniture and up the walls near where the water line was (the
water had since receded out of the home). We have a meeting with an
insurance agent in regards to my home owner's policy. What would it take for
the mold in my home to cause the government or my insurance agency to
declare the home condemned? [Sept. 14, 2005]
A.
You need to do know what your policy provides in insurance benefits for mold
damage resulting from Hurricane Katrina flooding. Read your policy very carefully. Discuss the
policy provisions with your insurance agent. You would also benefit big-time
by hiring an independent insurance adjuster on a commission basis [of what
is collected from the insurance company] to try to collect the most possible
under your policy for the substantial water and mold coverage that Hurricane
Katrina has caused to your Metairie home. You can safely presume that your
home has massive mold growth INSIDE the walls, as well as on the outside
surface. You will have to remove and discard all drywall materials at least
up to 2 feet above where there is mold growth inside and/or on a particular
wall. Read the 25 steps for safe and effective
mold remediation. To
answer your specific question, if you have substantial, collectable [under
your policy] covered insurance damage that exceeds the fair market value of
your home [less land and other improvements such as utilities, driveways,
etc.], your home might be a good candidate for condemnation. Find out about
the contamination guidelines utilized by the Metairie building inspectors,
especially in light of the seriousness of the hurricane Katrina flooding.
Q.
My house received 6-8 inches of water from the Katrina hurricane. The local
government kept everyone out of the area until 14 days after. The water was
out but the mold was on the wall. We removed the carpet and sofa in the
living room. On our return to the house to gut it out would our clothes be
of any use. Is the mold smell
on the clothes a sign of mold growing on the clothing. Please let me know
how to remove the odor or should be just throw the clothes away. We will not
return again for another 2-3 weeks. [Sept. 13, 2005]
A.
Sorry for the great flood problem recovery problems you face. Scrub the
clothes thoroughly with Borax laundry detergent, a natural mold cleaner. If
that does not do the job, while the clothes are still wet [rinsed], use the
multi-enzyme mold cleaner to remove mold stains and mold odors. A much bigger problem for you is water penetration of the
floors and walls that is likely to cause massive mold growth in view of the
long extent of the water [more than the 24 hours of wetness required for
mold to start growing]. You would be wise to remove the baseboards of all
ground floor rooms and do mold inspection and testing INSIDE the walls. Just
as you have found mold growth on the surface of the walls, you will find it
inside walls and floors that were flooded. Learn do it yourself
mold inspection techniques at
Mold Inspection
Learn the 25 steps for safe and effective
mold remediation.
Q.
During the recent hurricane Katrina here in Florida I had a small roof leak.
Initially it was a trickle of water down the wall in my daughter's room. I
initially thought it was coming in a window as that is where the water first
came into the room. I have contacted a roofing co. They have found the leak
but due to the high volume of calls I am still waiting for them to come fix
the leak. A few days later the ceiling had yellow stains. Last week during a
heavy rain, water was leaking from the ceiling near the window & traveling
across the ceiling coming out from the ceiling fan in the center of the
room. The roofing company told me to poke holes in the corner where the roof
leak apparently is located. That did help the water from traveling but it is
still coming in the corner. I initially dried the carpet & walls but the
room smells musty and I am sure the insulation is wet. Last night we had
another heavy rain & within 1 hour the pail was half full (~1 gal. of
water). Is there anything I can do to retard the mold growth and musty
smell? We have air conditioning on all the time but would a dehumidifer
help? Since we really do not have attic space in Florida to crawl up in it
is difficult to access the area. I thought of spraying something but I am
not sure what would help. Any
suggestions? [Sept. 13, 2005]
A.
Open up the ceiling [in all areas in which the leak may have spread or
soaked] from the inside and remove all drywall and insulation affected by
the leak resulting from Hurricane Katrina in Florida. You should follow the
25 steps for safe and effective
mold remediation. You
need to spray a
Mold Home Remedies Recipe [make your own
effective fungicide---directions are in the special report of the same name
at
Mold Mart as soon as possible on all water damaged surfaces such as the
support timbers in your ceiling. You would also be helped to mold test the
air throughout your home for the possibility of elevated levels of airborne
mold spores, in comparison to an outdoor mold control test. Learn mold test
kit usage tips in the mold test kit section of Mold Mart. Running a
programmable dehumidifier to keep indoor humidity to a mold-discouraging 30
to 40% would be very helpful to slow down any mold growth problems. A good
dehumidifier is available at Mold Mart.
Q.
The entire downstairs of our home was flooded in hurricane Katrina. Do you
think that mold would be behind the built-in kitchen cabinets and
bookshelves? Should they all be gutted to remove it? [Sept. 13, 2005]
A.
Sorry that you are a Katrina hurricane mold victim. Expect to find
substantial mold growth not only behind and under the kitchen cabinets, but
also hidden INSIDE walls, floors, ceilings, and heating/cooling ducts and
equipment. Your first step should be the total mold inspection and testing
of your home. Follow the tips at
mold inspection and in the mold test kit section of
Mold Mart. The kitchen cabinets and bookcases will need to be removed
not only for mold remediation outdoors of ALL surfaces thereof, but also to
facilitate removal of the wall and floor materials for mold inspection and
mold removal. Learn the 25 steps for safe and effective mold remediation at
mold remediation.
Q.
We live in Ocean Springs, Mississippi, and our house was flooded with 8
feet of water in Hurricane Katrina. I have removed all of the cabinets,
sheet rock, insulation and carpet and am not sure what to do next. We do
not have power (or an air conditioner that works) so removing all the
moisture is difficult. Do I need to hire someone to spray the house? If
so, who? Cost is a factor since we have no flood insurance. [Sept. 13,
2005]
A.
Sorry that you became a mold victim of Hurricane Katrina. Your very first
step should be to spray all of the timbers, plywood, and remaining, usable
building materials with at least two wet sprayings of one of the
inexpensive Mold Home Remedy Recipes explained in the
special report of the same name at the
mold store. Then you need to physically remove all mold growth with hand
tools or power tools [when you have electricity restored or from a small
electric generator]. The best power tools in removing mold are power planer,
power grinder with wire brush attachment, and power sander. Please read
carefully and follow the 25 steps for safe and effective
mold remediation.
You were very wise in removing and discarding the water damaged building
materials [one of the 25 necessary steps for mold removal success]. After
you have cleaned the wood of all mold growth, spray a home remedy fungicide
one more time. After drying of that final fungicidal spraying, apply one or
two wet coatings of the EPA-registered fungicidal protective coating.
Q.
We have 5 stores that have been affected by the hurricane in LA. What can
you suggest we do as a preventative measure that would not be harmful to our
clothing and personnel that would decrease or eliminate the potential of
mold growth before it happens. [Sept. 9, 2005]
A.
You are certainly wise to try to prevent mold growth in the view of the
Louisiana Hurricane Katrina. Your first step should be to operate several
programmable dehumidifiers in each store area, warehouse area, and office
area to substantially reduce the high indoor humidity [made much higher by
the massive flooding, with the resulting evaporation and humidity creation]
to a mold-discouraging 30 to 40 percent. Buy one of the best programmable
dehumidifiers for the money at the mold store. Second, you should be reducing the airborne mold spores in
each area of your stores, warehouse, offices, by the use of the Friedrich
Air Cleaner, rated the most effective air cleaner by Consumer Reports magazine. The massive
flooding is going to create massive mold growth which will generate billions
of airborne mold spores to mold cross contaminate most homes and buildings
in southern Louisiana with elevated levels of airborne mold spores. Third,
you can spray a
mold home remedy on walls and
ceilings, attic areas, basements, that are out of sight and for which you
don't mind having a white protective coating that is the result of spraying
an EPA-registered antimicrobial coating on surfaces. Fourth, you should be very vigilant for signs of mold
growth anywhere in your stores or on merchandise. Learn the 25 steps for
safe and effective
mold remediation.
Q.
I live in the area that was hit by Katrina. The residents of Jefferson
parish were allowed to come back home to assess damage and collect items and
get out until further notice. My house was flooded (about 1 foot of water)
and the carpet was wet. We removed the carpet and mop the floors until they
were dry. Mold was already present up to one foot in all the walls of the
house particularly inside closets. I spray bleach on the moldy parts,
however; a friend of mine told me that I was not supposed to do that. He
said that that will speed up the process and I will get more mold and it is
going to get worse. PLEASE ADVICE ME IN THIS MATTER. I don't know when the
adjusters for the insurance company will be in my area to check damage
because authorities are not allowing anybody to come into the city. I spray
pure bleach in only one closet everywhere else I use the solutions that you
can by to clean mildew and mold from bathrooms. [Sept. 10, 2005]
A.
Sorry that you had to become a Katrina mold victim. Bleach is ineffective
for killing mold on porous surfaces such as walls, floors, carpeting. Learn
why at
Bleach Mold Myth. Learn the 25 steps for safe and effective
mold remediation. The water will have have soaked the insides of the
walls, requiring you to remove and discard the moldy drywall at least two
feet higher than the mold infestation height level you find inside the
damaged walls. You will need to remove and treat wood flooring that got wet
in the flood. Also mold inspect, test, and treat any crawl space or basement
for obvious likely mold infestation.
Q. We are returning to our New
Orleans home which has had water in it since Katrina. Should we bring
something to spray on articles that were not ruined and underwater? We have
heard about diluted Clorox and Lysol spray. Will any of these things serve
a real purpose? Are any more or less effective? Will they ruin things?
Please help! [Sept. 11, 2005]
A.
Sorry that you are having to learn about mold in such a terrible way as
Hurricane Katrina. Bleach and Lysol are ineffective to control mold
infestation problems. Read all about why bleach won't kill mold on porous
surfaces such as building materials at
Bleach and Mold. You can kill present mold growths by using a
Mold Home Remedy Recipes You should then spray an EPA-registered
protective fungicidal coating. Learn the 25 steps for safe and effective
mold remediation.
Q.
I have a 50+ year old home in Gulfport that survived Hurricane Katrina.
However, there was roof damage resulting in several leaks:--- ceiling &
attic insulation fell thru to floor--- ceiling area that is soaked (rusty
looking water stains on carpet below) and appears ready to fall thru
anytime--- several ceiling areas that are water stained with current
indications of mold/mildew. House is now in quarantined area due to
contamination from rotting food, bodies, etc. What is best way to test for
toxic mold before trying to repair house? Note that it may be several weeks
before contractors would be available to begin repairs. Owner access is
restricted during this time with possibility for brief interim visits to
property on a case by case basis. We were very fortunate compared to
thousands of others that we are alive and house was left structurally
sound. However, we are concerned about future health hazards.
A.
Your
first step to save your home form Hurricane Katrina mold damage is to spray
at least two separate sprayings of a
mold home remedy on all surfaces such as ceilings, walls, floors,
inside the attic, basement, crawl space, inside heating/cooling ducts, etc.
to kill all mold spores and mold growths in those areas. You don't need to
use electricity---use a hand-pumped garden sprayer [about $40] from a large
hardware store or department store to spray the fungicide. Your second step
in Katrina mold remediation should be to remove and discard all water
damaged [and thus likely mold-infested] building materials. Not only do you
need to remove these damaged areas to stop mold growth therein, but also the
removal will facilitate your inspection and detection of mold growth inside
the walls, ceilings, etc. on structural timbers that can be mold remediated.
Learn the 25 steps for safe and effective
mold remediation. You should mold inspect and mold test your entire home
using the tips provided at
Mold Inspection.
Q.
My son is in college in New Orleans - Fortunately he got out before
Hurricane Katrina but he left behind all of his books, clothes and
pictures. His room is on the second floor so it did not flood but the
basement flooded and the building had a mold problem even before the
hurricane. We will not be able to get back there for at least a month. Is
there any hope for his clothes and books? Is there a potential problem of
spreading mold if we remove his stuff to our house? [Sept. 6, 2005]
A.
It is likely that the high indoor humidity arising from the flood plus the
spread of large numbers of airborne mold spores both from the immediate
building and neighboring buildings [that will all become mold hells] will
cause mold problems in regard to your son's property. Try to wash off all
items [when you have access to them] with a damp cloth wet with Borax
laundry detergent, a natural mold cleaner. Of course the clothes can be
washed with Borax.
Q.
My friends’ house got flooded with sea water during the hurricane. I hear
the water was about five feet deep for several hours. What should my friends
do now? [Sept. 7, 2005]
A.
Any water damaged building materials caused by Hurricane Katrina should be
removed and discarded because such wet materials are likely to have mold
growth inside and on the materials. In addition, removing such water damaged
materials makes it easier for visual inspection, mold inspection, and mold
testing inside walls, ceilings, floors, and the heating/cooling ducts and
equipment. As to actual mold growth on structural building timbers and on
building materials that are moldy but not ruined water damage-wise, your
friends should follow the 25 steps for safe and effective mold remediation
at
Mold Removal. An
initial spraying of an EPA-registered fungicide should be made on all surfaces such as ceilings, walls, floors,
and home furnishings for an immediate mold kill to slow down the rate of
mold growth to allow time for thorough mold inspection, testing, and
remediation. The entire home should be mold tested with do it yourself
mold test kit,
available or with a
Certified
Mold Inspector.
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