Questions tagged [mold]

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

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70 views

How do I identify source of mold smell in garage

Recently we had the garage redone - into a private "apartment" (bedroom, bathroom/shower, oven/stove, sink) We've begun to smell a moldy smell, the kitchen hasn't been used yet, though the ...
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1answer
55 views

How to fix moldy caulking over grout in bathtub corners?

As part of the cosmetic updates for the bath, I decided to remove the moldy caulking where the tile meets the bathtub. It looks like the previous owner put the caulk over the grout, I'm assuming ...
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1answer
147 views

How should I clean mold from studs?

I found a water leak behind my refrigerator. It was about 3 feet wide a 1 foot high. I pulled the drywall and I'm running a blower and dehumidifier in the kitchen. The studs have some mold on them. ...
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0answers
19 views

My screened in porch with concrete slab for flooring smells like dirty feet at night

I purchased a home that at the time was an open porch with a concrete slab as a floor (painted). Early in 2021, I had it screened in and wanted to paint the concrete a different color. I stripped/...
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2answers
77 views

Joists in Basement (for main floor) black - is this mold?

In a storage area in my basement, the ceiling is not finished. I notice recently that the wood joists for the main floor are covered in these patches of black. Is this likely mold or something else (...
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6answers
1k views

How can I prevent a humidifier from getting moldy?

I have a small cool mist humidifier. It has a water tank and ejects a mist and does not have a filter or anything. It is "TaoTronics" brand in case anyone wants to find it. I've noticed pink streaks ...
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4answers
34k views

What is this black stuff that appeared on my drain after cleaning with a bleach-based cleaner and how do I clean it?

Recently, I had problems with a pinkish/orange-colored bacteria (Serratia marcescens) in my bathroom. The bacteria would show up in my shower and sink, specifically near or around the drains. To ...
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2answers
58 views

Replace or clean stained carpet after mold issues?

I moved into a new build just over a year ago, and a few months in mold issues occurred in the nearby closet. The main cause of this was an exterior concrete wall which was still drying, and led to ...
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9answers
83k 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 ...
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3answers
143 views

Solution to put down a window sill crack to prevent mold

I have a couple windows where there is a space below the window that goes into the wall (see bottom of picture). There was mold and condensation all around the area, so I'm guessing there's mold down ...
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0answers
83 views

Is this mold on my OSB subfloor?

I wanted to get the opinion of the community here with this issue I'm having. New construction home here, pics are from the basement of the underside of the main floor subfloor. My builder is saying ...
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2answers
56 views

How to remove this shower drain grate (or otherwise remove mold from the pipe underneath)?

As you can see, there is black mold growing inside the white pipe under this shower drain cover. I've removed the 2 screws. The silver metal circular grate still feels stuck. If I try to pry it out ...
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2answers
200 views

Do these pictures suggest mold is growing behind walls?

Seeking advise on mold. This wall isn’t hard, feels kind of soft to knock. Do u know what material it is and can mold hi through it? You can see in the pics I peeled it and it just revealed more ...
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1answer
48 views

health effects from mold in HVAC [duplicate]

We noted a musty smell coming from our heating ducts in the last few heating seasons. We first tried the usual things like changing filters, cleaning dust, etc., but finally called an HVAC tech to ...
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1answer
72 views

Insulating behind tar paper?

I have a home built in 1959 in Southern California with stucco exterior. I’m removing the drywall to do a major renovation and bring my wiring up to code. I noticed there is no insulation and just ...
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5answers
4k views

Why are we to leave a front-loader clothes washer open, but not the dishwasher?

Everywhere, everybody, says to leave the door open on your front-load laundry washer so it can dry out and not accumulate mold. But no one, anywhere, says to leave the door open on your dishwasher. ...
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1answer
36 views

What do the parts not in plain English in this Concrobium anti mold product web page mean: "Cas #", "Builder", and "Withheld"?

This home improvement product company web page about an anti-mold product called Concrobium https://www.concrobium.com/products/mold-control-spray/ has the following table: Ingredient Cas ...
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1answer
99 views

is this mold where I have taken the wallpaper off?

I have started removing the wallpaper in my house and I've noticed this black stuff where the plaster has come off. I'm not sure what it is. I have tried looking at images of mold but not sure. It ...
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3answers
584 views

How do I get rid of water streaks on my bathroom wall?

So the walls in my bathroom have streaks all over them. They've been building up over time and is getting worse. The wall over the shower in particular looks pretty bad. Does anyone know how I can get ...
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1answer
82 views

Does mold in a loggia means that the loggia must be replaced?

My apartment has a loggia which used to be a balcony (it is now an extension of the living room without any separation between them - the door that was there was removed). This was done by the ...
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1answer
280 views

Is heat a practical way to kill structual mold?

So heating the whole house or affected rooms up to 45 50 degrees C for long enough to also heat and kill any mold in exterior walls as well as mold on the surface?
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3answers
31k 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 ...
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2answers
66 views

Rough hewn wood for porch construction

My front porch was constructed using rough hewn wood as an architectural choice, with knot holes, cracks and crevices. The wood is painted white. Although it looks great, after just a few months the ...
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2answers
278 views

Vapor barrier on heated entertainment shed

i am building an 8x10 entertainment shed with a loft for kids to hang out and have sleepovers in, i will be heating it. I have tyvek and t1-11 it is on 4x4 skids on top of the Concrete patio and has 3/...
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6answers
29k 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
134 views

Mold on underside of attic flooring

I found mold on the underside of my plywood attic flooring. The attic has rollout fiberglass insulation with a paper vapor barrier in the attic joists with no rafter insulation. I have installed ...
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0answers
91 views

Are these black marks on the wall from sanding?

I was told these markings on the wall are from "sanding". I believe the walls are plaster. I wasn't sure if I should believe it since it's in a strange pattern. However, it might be ...
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0answers
47 views

Blackish Stains on bedframe slats

I was in the process of disassembling my bed for an impending move, when I noticed some blackish stains on the bed slats. Wondering what they are. Is it salvageable or should I throw it out ...
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0answers
61 views

Is this termite damage? Mold damage? Something else?

I recently sold an old freestanding wine cellar and found a lot of dust and some mold underneath and behind it, plus this circular area on the baseboard, with some wood shavings below. Doesn't look ...
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2answers
1k views

Help me identify: Mold or fungus or Moss?

I live in a rental house and I see this growing on roof. What is it: is it moss mold or some fungus/algae? Should i be worried for my health? The clear line where it grows is likely because it has ...
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1answer
121 views

Possible mould damage from burst pipe?

On 15th December 2020 we became aware of a burst pipe on the side of our house. The source of the leak was the cold water pipe leading into the hot water system on the side of the house (brick veneer)...
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1answer
72 views

What could cause a central A/C system to smell but only after central heating had been used?

We have a central heating and air conditioning system in a single family home (in Southern California), where there is a large intake vent in the house that goes directly to the central house fan and ...
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1answer
65 views

Fixing water-damaged, rotting frame. Who to hire?

I'm renovating my basement bathroom and feel over my head as maybe this is a bigger problem. First time home owner. What professionals should I hire to assess/fix this issue? Please be specific ...
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1answer
62 views

Daylight basement remodel, found mold on what appears to be drywall between exterior siding and studs. Do we need to remove ALL the siding to repair?

While working on removing paneling in the daylight basement, we discovered mold on what appears to be black papered drywall in between the exterior siding and the studs. This was pointed out during ...
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2answers
76 views

Can mold be leaking through pipes cracks/holes?

I know that mold is definetely leaking through some of the deep holes in my flat. You can see brick in the holes as well as space for air to travel. Can pipes with cracks and holes behind them also ...
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0answers
55 views

smell behind skirting board in basement room

I live in a house when one floor is basement. We had some damp bubbles in one of the room walls and the builders who renovated the house in 2020 came to fix. They checked the whole perimeter of the ...
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3answers
6k views

Solutions for a moist basement?

I live close to the water and there is a high water table around my house. Therefore a lot of water vapor passes through the basement walls. I would like to be able to store stuff in my basement and ...
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2answers
110 views

What is this dirt on the top of my high ceiling wall, how do we remove?

We just noticed there is some dirt on the wall by my foyer close to the ceiling. On the other side of this wall is a small attic space. The wall to the right, where the bar is, has a bedroom on the ...
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2answers
144 views

Help with hiring pressure washing service

I need to get my 2400 sq.ft., 2-story house pressure washed, and had a few services visit the house to provide quotes. The quotes are widely different so I need some advice to decide. Service A said ...
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3answers
161 views

How can I get my building owner to deal with a mold issue?

I live in an apartment with no ventilation to the outside. The bathroom fan is ductless as is the range fan in my Kitchen. I have a mold issue in the apartment due to the lack of proper ventilation ...
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2answers
82 views

These odd stains for appeared in the top room of my house. They weren’t here a couple of days ago. Could they be mold? Water stains?

Blotchy stains on the ceiling. These go all around the room. [
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1answer
61 views

Black stains in wood, identifying the cause

I found a used bedroom furniture set which includes a bed frame and box spring. I've put together the bed frame but upon looking at the box springs more closely, I see there are some dark stains ...
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0answers
41 views

What is the cause of this discoloration on stucco siding?

I was wondering what this greenish discoloration is on my stucco. I think it might be water related since there’s some wood rot I’ve felt under that area (a whole other can of worms, I know). I Was ...
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2answers
974 views

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

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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0answers
30 views

Mold on cedar siding

Bungalow style home in Milwaukee WI with finished attic. Can access the Southern portion of the attic,via a crawl space,but not the opposite side. We had ice dams this winter and there is mold on the ...
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1answer
911 views

Mold or rust stain on roof truss

Paid a visit to my attic earlier today to see if there was any winter damage. Looking all good except for a small piece of truss that has a black stain on it (see picture). I would have said mold ...
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1answer
119 views

Should I repair this very small area of minor water damage on my bathroom floor?

I’m getting ready to install LVT over existing VCT in my bathroom, and when I pulled up the shoe molding I discovered that the corner of the floor next to the shower has a slight soft spot at the very ...
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1answer
99 views

Me and my mom and dad moved to a older house since we have moved in we have had health problems

Me and my mom and dad have been having health problems since we have moved in our house in October , have brain fog and anxiety and my alleges and ashms and rashes and my mom and dad have been having ...
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1answer
94 views

Can this garbage disposal be saved ? Black gunk doesnt drip down to cabinet floor but my skin crawled when i saw this?

Garbage disposal is about 3 years old. It got jammed , so i tried to find the reset button on bottom. It wouldnt budge so i got a flashlight and got on the floor to make sure i was pressing right ...
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2answers
131 views

Looking for feedback on prep & paint plan for moldy wood siding

I'm getting ready to paint my cabin this summer and I was hoping to get a reality check on the order of sequence. I've painted houses inside and out before but they were new, and this is a bit ...

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