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

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48 views

Please help with big mould/mold 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 ...
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1answer
36 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. ...
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0answers
29 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
31 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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2answers
32 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 ...
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3answers
248 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 ...
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1answer
77 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 ...
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1answer
45 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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3answers
52 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 ...
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4answers
93 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. ...
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3answers
146 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 ...
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1answer
103 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 ...
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3answers
58 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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1answer
55 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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2answers
76 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 ...
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0answers
33 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 ...
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2answers
86 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 ...
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1answer
50 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
47 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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2answers
66 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 ...
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0answers
66 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 ...
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1answer
91 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 ...
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1answer
353 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 ...
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1answer
189 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
116 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 ...
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1answer
297 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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1answer
98 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
232 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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1answer
154 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 ...
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2answers
146 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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1answer
150 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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1answer
102 views

will anyone stop laughing n thinking im crazy long enough to see theres a major problem(s) in my house? [closed]

As the title suggests, i have many issues in the home i purchased two years ago. And although, couuuntless hours attempting to unravel the mystery, and thhhhousands of dollars to fix the problems i ...
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0answers
50 views

mold on exterior wall above kitchen exhaust grill

My kitchen cooker hood vents via aluminum pipes to the outside, terminated in a metal grille mounted on the exterior wall. Just above this grille is a horizontal concrete ledge, which is the bottom of ...
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1answer
80 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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3answers
1k views

What is the best way to repair and prevent cracking grout in a shower stall?

The grout in my main shower has developed cracks. They started small but over time they have grown and there are actual crevices in the grout. I've been using my guest shower so as to not cause mold ...
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0answers
66 views

Removing a mold stain (not mold) from carpet

** Everything I tried searching was about how to remove mold. Just to be clear, I need to remove the mold stain not the mold itself. This is actually for a car, but carpet is carpet right? I believe ...
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3answers
87 views

Is there a way to deal with mold built up on the washer bellow tub?

It looks like people who used to live in the house before us would keep the washer closed for extended periods of time and here's the result. I suspect it also contributes to odor issues the house ...
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2answers
71 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 ...
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1answer
245 views

mold on basement walls

I have a basement that I am planning on finishing. There was a mold problem. After washing the basement walls, I soaked them in Concrobium. I then painted the walls with a masonry waterproofing ...
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0answers
217 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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1answer
16 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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2answers
544 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 ...
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1answer
104 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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2answers
797 views

Should I redo this wall to avoid a mold sandwich?

Hello Internet DIYers! I'm in the process of remodeling my bathroom and I've just realized something I might have done wrong around my shower. One of the two walls of the shower is an exterior ...
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1answer
205 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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3answers
704 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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0answers
79 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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2answers
142 views

Why is my new house making me sick?

I just moved into a new house and my son and I have been experiencing tightness in the chest and asthma. When we leave the house and are out and about; the symptoms are gone. Our bathrooms have no ...
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5answers
13k views

How can I remove humidity from a room without a dehumidifier?

I've noticed a problem in my apartment that returns every winter - I get mold around the windows. This year the cold weather came earlier than usual and the mold appeared quickly in great amounts, so ...
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3answers
4k views

How to manage mold growing along the bottom vinyl window frame of every window in an R2000 home?

We have a lot of windows in this house, for some reason black mold grows along the bottom of each from basement to upper floor. Its and R2000 so we don't pump any moisture into the house and we run ...