Preventing, identifying, or treating mold infestations in the home.

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If black mold is discovered underneath the siding, does that necessarily imply interior air quality problems?

Consider this video. Without a vapor barrier, this home will accumulate black mold on the plywood on the exterior of the home. My Question: Does black mold on the exterior of a home necessarily ...
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1answer
375 views

Should I remove vinyl flooring to allow the floor underneath to dry out?

We are renovating a 200+ year old house that had a dirt basement. We poured a concrete floor and put vinyl flooring (snap-together, looks sort of like wood) over this. The basement has gotten wet (...
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183 views

Is this mold growing on my shower ceiling?

Is this dark stuff above my shower mold? If so, how should I go about removing it? I live in an apartment, so I doubt I could go on with scraping it off and the like without upsetting maintenance, ...
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20 views

removal of mold in sump well that doesn't have a pump

How do I remove mold from the sump well water and on the sides of the well and also return the water to clear and not cloudy
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3answers
923 views

Mold in my bathroom is spraying bleach and painting over with Kilz enough?

I live in an apartment and I noticed what I believe to be mold growing on my bathroom ceiling. I have a daughter with asthma and I now know it's the cause of her constant coughing since we moved here. ...
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1answer
194 views

Hole in the floor

I bought an older house and it has a rectangle hole in the living room. It is covered with the register and it looks like an intake. I don't fully think it was used as an intake as the furnace is on ...
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1answer
193 views

What are the tools and procedures of a re-grout task in shower room?

I found some black mold on shower grout; and some grout may need to be re-grouted. Please refer to three red-circles in the attached photo. Would you like to let me know the right tool, material (like ...
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218 views

How do I know whether or not I've killed the mold?

I had some mold on the ceiling of my bathroom. I scraped it off with a sponge. The thick black mold has gone, but there are still fainter grey stains all over the ceiling which won't come off, even ...
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1answer
4k views

What are the benefits of purple drywall?

I am about to drywall a basement. Go purple? Can purple be used around showers? Are there any additional costs or install problems with the purple drywall? Does it require any extra steps? Why ...
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766 views

How should I prepare the shower walls for tiling to prevent mold and mildew?

What is the proper way to prepare a bathroom wall before tiling for a shower area to prevent the growth of mold and mildew?
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386 views

Mould on the inside of a bitumen corrugated sheet

Attached to the end of our house is a small shed. It has four (newly built) brick walls and a bitumen corrugated sheet roof. The shed was finished about eight months ago and is fairly waterproof. ...
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2k views

What should be cleaned or examined after an air conditioner drain pipe leak?

The other day, we found some water on the floor in our utility room. After some research and investigation, we discovered that the drain pipe from the central air unit was blocked. We were able to use ...
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1answer
67 views

cleaning mold with bleach - residue from previous cleaning

A bathroom wall is covered in mold. I have a foam spray cleaner that contains bleach to remove mold. I have previously cleaned the wall multiple times with various wipes and a vinegar mixture. I want ...
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1answer
40 views

Do I have a mold problem?

Hi DIY Stack Exchange! I had a fun wintertime question about moisture and mold. My bedroom has been getting dry lately and with that comes dry hands, and small furniture cracks. Fun! So I went to go ...
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1answer
113 views

Causes of condensation in basement wall

First time home owner of 1 year old house in Southern Ontario. South facing basement wall (50% above grade) has condensation forming between polyethylene barrier and pink batt insulation. What ...
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1answer
92 views

What could this blue ring on my ceiling be and what are my options?

Today I noticed that there was this brightish blue ring emanating from a crack from my ceiling. I hadn't noticed this before. Earlier this week my cat broke a full glass of water directly above it. I ...
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1answer
125 views

How to get rid of mold on drywall

This bedroom was converted from a garage attached to the house. There's some black mold where the bed used to be. What's the best way to get rid of it?
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1answer
285 views

greenish gray mold on wooden window frame

Does anyone know how to deal with greenish gray mold on the border of my window frame with my Insulated glazing? I've never had mold before and my house is 32 years old and very well insulated. The ...
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1answer
235 views

Is using a thermal camera an effective method to locate mold & moisture behind finished walls in a basement?

My basement is finished and there are signs that I have leaks or some mold. The smell is not very strong but I can feel it for the first few seconds when I enter the basement, after that it instantly ...
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1answer
198 views

Are molds dangerous to health if they are not in my own apartment?

I need a help to decide if I will move out from this building because of mold and health risks. Is it dangerous to live in a buliding in which the hallway is full of mold? I've been reading about ...
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1answer
1k views

Cleaning grout under caulk line (between tile and tub) before re-caulking?

I have a 1.5 year old condo and I recently pulled the old caulk job the builder put in, and found they grouted between the tub and tiles and just caulked over it. The grout is discoloured in places (...
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2answers
1k views

How to tell if wall got waterdamage?

I had a dishwasher flood, due to plumber putting it in wrong. I had the hard wood floor replaced, the cabinets have mold on bottom of it, and the sides that I can see are bubbled up to about half way ...
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2answers
373 views

How do I stop mold growth on greenboard behind my shower wall?

We have greenboard behind our shower wall. There are signs of mold growth on it. Can it be cleaned up with a bleach solution and then painted with RedGard?
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2answers
920 views

What license/certifications are appropriate for mold remediation firms?

I am looking for someone to clean up mold in my attic, and I have been advised to find someone who is licensed in the area of mold. I’ve checked HomeAdvisor and BBB, but it’s not clear to me who ...
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1answer
95 views

How do I patch a hole in the slab under a kitchen island?

This is one step further than How do I remove musty smell in coat closet?. There was a sewage backflow under my kitchen island :( I fixed that problem, but now there's a musty smell in one of the ...
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1answer
2k views

Why am I having an attic ventilation problem this year when I didn't last year?

This winter in the attic I noticed ice on the roofing nails. Obviously warm moist air condensed and then froze on the cold nails. When the weather broke and warmed up a bit, I was back up in the attic ...
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319 views

How serious is mildew on the ceiling of the top floor of a house?

If a house had mildew (I'm assuming it's mildew, it's black and slowly spreading) on the ceiling of the top floor of my house, what could cause this and how serious could it potentially be? The ...
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1answer
3k views

How do I repair wood that's been damaged with mold and bleach

My kitchen tap is set into the wooden counter instead of the metal sink, so water has dripped into the wood around the tap and made it moldy. I put some bleach on it and it did remove the mold in one ...
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1answer
434 views

Is continuous exhaust from basement level closet a good idea?

I have a recurring problem with mold in the closet of a basement level bedroom. After considering various options, I'm currently contemplating installing some sort of a low powered continuous exhaust ...
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2answers
969 views

How do I fix a dishwasher leak and repair damage to surrounding cabinets?

I have a Whirlpool dishwasher bought in 2005 that evidently leaks steam from the side and has caused mold to build up on the cabinet door that is next to it. What could cause this to happen and how ...
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1answer
410 views

Water damage in the kitchen

Today, we went out of the house for about an hour and when we came back the whole kitchen was flooded. Turned out the cold water soft connection for the kitchen sink had somehow disconnected (?). We ...
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25 views

Can mold growth be removed and cleaned up in a two-story apartment building successfully?

I live in an apartment building that has 24 units which all the bathrooms vent into the hollow walls or their neighbors bathrooms upstairs. (so in their ceiling, the smell and moisture comes out ...
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3answers
75 views

Paint and mold prevention

Which application produces the best results, with respect to mold prevention: An all-in-one paint with primer Apply plain primer, then regular paint Is using either process better for mold and ...
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362 views

What is the cause of and how can I prevent mold on an interior wall close to my bed?

Our main bed is pushed against the corner in our room. There's a very small amount of space between the mattress and the two walls. We removed the frame and the headboard so that the box spring sits ...
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92 views

Will sealing ceramic floor tile in the bathroom prevent mold?

We have never sealed our bathroom ceramic tile / grout. Will this allow mold to grow easier?
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91 views

How can I paint an area without color-matching after treating mold?

Is there a clear paint that I can use after I have treated an area for mold in the bathroom? I don't want to try and match the color.
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121 views

Is this a safe way to clean black mold in the attic? [duplicate]

Possible Duplicate: How to remove/clean black mold? My dad says there's mold in the attic (that looks black), and he plans to spray it with a mixture of water and chlorine. Is this a safe way ...
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1answer
285 views

Killing mold IN drywall using Borax solution - what now?

My family is renovating an apartment and someone thought there was mold inside some drywall that showed water stains from when there was a leak in upstairs apartment. This person prepared a Borax ...
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2answers
50 views

How to deal with this mold on the window frame?

I just discovered what I assume is mold on my window frame in the kitchen/living room (quite high humidty, but the window has been open a lot and our fan is going 24/7). Now, I've been told that ...
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1answer
82 views

Mold and pop-up drains

Earlier today I realized that I had a major leak underneath my bathroom sink. It soon became clear that I would have to replace the entire pop-up drain assembly. After all the hardware was removed, I ...
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1answer
358 views

Would removing the back-board of cupboards help against mould/mold?

Would removing the back-board of cupboards help against mould/mold? In our new (to us) semi-basement flat we have a relatively small condensation problem, generally behind cupboards... kitchen ...
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1answer
1k views

How can I protect the wall behind a closet from developing a mold problem?

I'm moving soon to a new two-story house, built from concrete and AAC blocks (Autoclaved aerated concrete). The walls have an acrylic paint over them. I'm planning on installing a wall closet in the ...
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1answer
89 views

Is white vinegar as effective against black mold as rice or apple vinegar?

Does anyone know if you can use white vinegar to irradiate black mold from inside window panes? I see they mention rice vinegar or apple cider vinegar; is there a difference on how those react with ...
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2answers
78 views

Mold Growing on Top of Exterior Door

I am not that knowledgeable with mold. On my exterior front door by the head and the door stop I have mold growing. I checked the drywall and it doesn't seem to have any water damage. I was thinking ...
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1answer
63 views

Does filling in cement(inside or outside the house) act as a deterrent to the soil-water and mold problems resulting from it?

An experienced contractor suggested to me that filling cement near the bottom one foot of basement walls will stop the water from coming inside the basement. And also, a 2 feet of cement floor around ...
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1answer
66 views

What is more effective - mold control spray or the fogger?

Concrobium sells mold control spray and the fogger. Which one has more lasting effect on the mold? Does the $135 cost of fogger justify the effect it has on the mold?
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1answer
532 views

How to remove mold from Styrofoam ceiling tiles?

I've recently noticed, that there are some sort of (stains) on a ceiling in a bathroom. The ceiling is covered with Styrofoam tiles of square shape. I took a closer look and it seems to me that it ...
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248 views

rusty stains showing through a newly dried spackle

I noticed the wall by my balcony door was soft and sticking out, figured somehow there was moisture and possibly mold growing underneath the drywall lining. So I ripped that part out, scraped a little,...
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1answer
272 views

What do I do about a VERY MOLDY dishwasher air gap?

Just moved to a new place a few months ago and there is TONS of mold in the dishwasher air gap. Ive never had one before so I never thought to look inside to see what it was. I recently went to the ...
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75 views

How to fight with mold on wall and ceiling connection on last floor

I live in a 4 store old (from about 1930's) building. Occasionally (in autumn, winter or spring) all gable walls have mold/mould/fungus in the wall and ceiling connection. Under my flat there's only ...