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

learn more… | top users | synonyms (1)

0
votes
1answer
13 views

Mold, Lead, Asbestos Testing Kits - recommended or seek a professional?

Professional testing of Mold or Lead or Asbestos can range from $300 - $1000 for each type. I just found some home testing kits that require you to take and submit samples. Are these a good cost ...
3
votes
2answers
33 views

Water damage restoration - disinfecting carpet?

Is it possible to actually disinfect carpet after a small amount of (technically) dirty water exposure, either by applying something to the carpet or using an upright carpet cleaner and mixing ...
0
votes
0answers
31 views

Do I need to replace or treat moisture-damaged studs in a shower area before replacing cement board?

I bought my house in 2011 after it was built in 2009. It originally had a cheap molded plastic shower surround, but I removed it in order to install tile. I then discovered that the cement board had ...
2
votes
5answers
36k views

What are the issues with using sour smelling paint?

My husband touched up the paint in our bedroom. The smell was rancid, like sour milk. I cannot believe he used the paint that went bad. I have a horrible headache and watery eyes, an obvious ...
0
votes
2answers
52 views

Best way, if needed, to dehumidify storage room?

We are building a new garage with apt above and storage room at the back in Houston TX. It's replacing a small garage with back storage room which was very poorly constructed and had major moisture ...
1
vote
0answers
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 ...
2
votes
2answers
151 views

What is this stuff in the attic?

What is the black stuff in the first four photos, and the white stuff in the last photo? Is any of it mold, or is it all harmless stuff? Structure is about 10 years old. Home inspector claimed that ...
1
vote
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 ...
8
votes
2answers
6k views

Is this termite damage and if so how do I repair it?

I was moving a bolt storage rack in the basement, and when I took it off the wall, I noticed that the wall behind it was moldy. Then I noticed a ripple in the paint going all the way up, and when I ...
1
vote
2answers
820 views

What are these droppings/dirt clods/mold clumps?

I removed a section of baseboard and found some unusual little blackish-brownish clumps on the back of it and the drywall that it was fastened to: Anyone have any idea what these might be? For ...
2
votes
5answers
208 views

How do I solve this mould problem?

Before I get down to details I just wannna say that we are in UK and unable to go anywhere else as of financial issues. We've been living and renting a bottom floor flat for 4 years and it's been ...
1
vote
3answers
130 views

Do I need to replace water damage or just let it dry out?

I had a water leak under my kitchen sink. It happened pretty slowly over the course of perhaps 8 weeks. The bottom of the cupboard was saturated and about 6 " up the sides of the same cupboard unit. ...
4
votes
4answers
6k views

Is there a way to design/create a shower that is less prone to mold?

I think I've had it with traditional tiled showers...I can't stand the site of mold in between tiles, on the tiles! on shower curtains, on shower doors, etc. I think I'm pretty clean, but I always ...
3
votes
3answers
1k views

Are there any side effects of using sodium hydroxide as a mold-cleaner in the shower?

I've tried using sodium hydroxide (NaOH) to clean mold (mould) in the shower before on a patch test area, and it worked really well. This simply involves using drain cleaner (with gloves, open window ...
15
votes
8answers
60k views

What are the black spots on my bathroom ceiling? Are they mold?

My bathroom above my tub is getting some black spots on it that seems to be growing. I assume it's mold. I am wondering how should I deal with this? What should I expect it to cost?
0
votes
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 ...
2
votes
2answers
43 views

Does the thickness of insulation on the cooling pipe of an air contioner make a difference to preventing mould and condensation

We have an apartment in Port Hedland WA.( Extreme humidity and heat) It's relatively new( 3 years old) but there was mold all over the ceiling and along the walls following the air con pipes to ...
1
vote
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 ...
1
vote
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 ...
2
votes
3answers
108 views

How much drywall should I remove around a moldy area?

The previous owner told me that during the last winter when snow melted, water got in the basement through the drywall and he had to wipe dry the floor. Last year we had one of the worst winters on ...
0
votes
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 ...
0
votes
1answer
118 views

Basement waterproofing with thermal break

I need help figuring out best solution to fix my basement moisture/mold issue... As far as I can tell, water is entering at bottom seam of poured concrete wall and basement floor. I considered ...
1
vote
2answers
47 views

Open windows to help condensation problems in winter - good or bad advice?

I live in a Victorian gable end terrace which is classed as 'hard to heat' and sufferers from mould/ condensation . I have taken all the insulation measures I can afford & treated all obvious ...
0
votes
1answer
537 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 ...
2
votes
2answers
120 views

What are the considerations for crawlspace encapsulation barriers / humidity control?

I live in a house that's half slab, half crawlspace. The crawl is half basement. Typical crawlspace/basement humidity readings are: 80% RH @ 67°F 85% RH @ 68°F 78% RH @ 67°F Where in the ...
5
votes
3answers
272 views

How should I treat mold under the caulk around my kitchen sink?

I've got a tiled kitchen countertop and have noticed some mold under the caulking around the sink, especially where the tile dips. Should I clean out the old caulk and re-caulk the area, or pop the ...
1
vote
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 ...
0
votes
1answer
67 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?
9
votes
3answers
10k views

What is the recommended way to destroy mold?

Back in the day I've heard that bleach is a good way to kill mold. The other day a home inspector suggested that Dawn dish soap actually works much better than bleach. I've heard from another home ...
1
vote
2answers
58 views

How to fix a vanity mold built up as a result of valve leak?

I noticed a valve leak too late and now part of the vanity has built up some mold. I would like to avoid replacing the entire thing obviously. So I would like to understand how (un)safe it is to keep ...
3
votes
3answers
285 views

How to prevent mold in stored joint compound

Joint compound comes in larger containers than I need. I have had this problem for years where storing opened but unused joint compound leads to mold growth, usually starting within a week or two. I'd ...
1
vote
1answer
126 views

How to avoid mold in shower caulk?

For the third time, I plan to remove this strip of caulk in my bathtub/shower a bit beyond the discoloration (mold?) and recaulk it. I would like to get it right this time. I plan to remove the ...
0
votes
1answer
91 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 ...
2
votes
4answers
127 views

What is this black coloring in attic?

Curious if anyone can tell what this is? Not sure if it's mold or if it is something else. The yellow in the closeup is sap I believe but the black stuff almost looks like super small poppy seeds.
4
votes
1answer
108 views

How can I prevent clothes and food stuff from going bad in a moist cabinet

My neighbors are constructing their house from ground up. We have concrete structures for almost all buildings here. When the walls are ready they need to water it so the concrete settles and get ...
0
votes
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 ...
2
votes
2answers
187 views

Help diagnosing source of basement moisture

Hoping your experience can help figure out where moisture is coming from in my basement. I tried to include a lot of details to help identify issue. I have a house built in 2008 with finished ...
2
votes
2answers
85 views

How do I dehumidify a season cabin in the winter

My Aunt has a seasonal cabin in NH. At the end of the fall we shut the water off and close down the cabin. Last year we had to gut and re-do the entire cabin due to a mold problem. Part of the problem ...
1
vote
2answers
91 views

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 ...
4
votes
3answers
3k views

Is there a way to remove the mildew smell from under tile without damaging the tile?

We live in a rental. The toilet was leaking when we arrived. Landlord paid for a plumber to do a simple repair, but before that, there was definitely water pooling underneath the tile (and seeping ...
1
vote
1answer
378 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 (...
0
votes
0answers
44 views

Had a leak behind a new tub do I need to do anything else to prevent mold or other issues?

About four weeks ago I had an old tub/shower enclosure removed and a new acrylic tub and three wall enclosure put in, including a new valve and moving the shower head up, this was all installed by a ...
1
vote
2answers
922 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 ...
2
votes
2answers
76 views

Is this cement board / Sheetrock still ok to use in my bathroom?

Our builders are putting up cement board in the bathroom, and we noticed the pieces on the left have some stains, they look very different to the rest that looks the same as the ones on the right of ...
0
votes
0answers
98 views

Painted drywall with spoiled zero-VOC paint. Does Bin Shellac work to seal mold/bacteria? Some posts say no

My mother painted drywall with “spoiled” zero-VOC Banjamin Moore Paint (Natura). It was 5-year old paint, which had been opened/used years prior without a problem. The result was serious allergies and ...
0
votes
1answer
288 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 ...
1
vote
1answer
991 views

How to repair leak mould under bathroom floor tile?

The attached picture is a bathroom floor. The tile worked loose and on lifting it I found extensive black mould under it (killed and cleaned off it before the picture was taken with a mould killer ...
1
vote
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 ...
1
vote
2answers
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. ...
1
vote
2answers
874 views

Will KILZ® contain black mold?

we had a leak awhile back inside the wall, from a shower valve leaking. That has been corrected and everything is dried out. Today while tearing out the sheet rock on the wall that backs up to the ...