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Questions tagged [mold]

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

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How would I fix this leaking garage?

My garage is leaking. I cut away drywall and noticed that some of the joists are rotting or damaged. There's mold, I think a lot. I think the cause of the leaking might be related to water that's ...
John's user avatar
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0 answers
23 views

How to insulate and wall off basement partition for best long-term air quality outcomes?

Background Project description: U.S. heating zone 5, in a 1960s ranch-style house with basement matching original home footprint, we're partitioning the empty half of the basement (no mechanicals, ...
cr0's user avatar
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0 answers
21 views

Can I be affected by mold in other apartments? [closed]

I live in an apartment and there are 8 units in one building. At least 3 that I know of on the other side of the breezeway that separates the units have leak and mold problems. Can I be affected by ...
kristy's user avatar
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1 vote
0 answers
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Humidity in shed: options for shelf panels

I have a brick shed outside, with barely any ventilation except for 16 1x5cm slots between bricks. The floor is bare concrete. I renovated last year, and among other things painted the floor and ...
Julián Urbano's user avatar
2 votes
1 answer
70 views

Is DIY mold remediation possible w/ no experience?

My mother in law's home basement has mold, moisture, and leaks. There was an add on about 3 decades ago to the house in the basement and ground level, the outside walls of the basement weren't sealed ...
Geebs's user avatar
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1 vote
1 answer
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Should I be concerned about possible mold on/near my window ac unit?

https://imgur.com/a/EQEQnQq Hi all, I’m moving into this historic house and see this around the ac unit. I don’t notice mold anywhere else. Does possible mold around the ac indicate a mold problem in ...
fox's user avatar
  • 11
0 votes
0 answers
24 views

Mold on side of paint can

I started to paint the trim in our bedroom and half way through I noticed mold on the inside of the top of the can. None was in the actually paint. And I was only putting my paint brush in the can. I ...
Lauren's user avatar
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0 answers
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Grout still "wet" days after regrouting

Looking for a bit of a sanity check and make sure I'm not overthinking this. We had issues with a crack in our grout and mold. So we hired somebody to come and regrout the entire shower floor. But ...
Smeegs's user avatar
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0 answers
43 views

Found black mold on drywall

We have only been in our home for 4 months. Built 1970. I'm getting ready to skim coat the walls of the living room. I'm prepping the surface and I had a spot where the drywall got knocked off when ...
Alex's user avatar
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0 answers
14 views

mold growth in crawl space?

Mold growth in crawl space We recently had some of our vinyl flooring swell. Since it was in the laundry room, I made a small cut to spray peroxide. Next thing I know there's mushrooms growing out of ...
Leo's user avatar
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1 vote
1 answer
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Is blackening on subfloor around my fireplace mold or soot?

I pulled up carpet today and revealed some blackening around the fireplace. At first I assumed soot build up due to the location, but I want to make sure that makes sense, and not that there’s some ...
Chase's user avatar
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3 answers
62 views

Does anyone know if this water damage is mold?

I’m pulling up carpet of new house and I’m finding some water damage on the floor. Seems to all be dry, maybe after the next major rain I can see if there’s any moisture to know if it’s an old or ...
Chase's user avatar
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0 answers
30 views

strange sewer like smell

Can anyone answer this sewer question. We have been having stench smells in our trailer for a while. I thought it might be the AAV vents under the sinks. But it's not those, replaced. Already cleaned ...
user2768584's user avatar
0 votes
0 answers
38 views

How to refinish this so mold doesnt reappear

Looking for some advice on how to refinish this half wall, mid way down my basement stairs so mold doesn't come back. This was strapped with a couple of horizontal 2x2's with insulation in between and ...
Ryan's user avatar
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0 votes
1 answer
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Found inside a baseboard heater. Is this mold? [closed]

is a picture of something i spotted on the aluminum/steel/metal protector inside a baseboard heater. No smell.
Matt's user avatar
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1 vote
0 answers
34 views

How can I prevent stubborn mildew on an outdoor fir plank ceiling?

This is mildew on the underside of a porch ceiling stained with Rubio Hybrid Wood Protector with extra M1 Mildewcide added. The substrate is Douglas Fir, which was stored under cover, then sanded and ...
borisj's user avatar
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1 vote
0 answers
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Close an external window from inside only using drywall

In our bedroom, we have 4 square picture windows (they don't open. Size 23*23 inches). We want to close 2 of them and make it a tv wall. So idea is to, fill the space with insulation , frame it from ...
MKK's user avatar
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0 answers
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How can I prevent basement slab moisture from causing mold in flooring?

I live in a residential community built in the late 80s. I believe no vapor barrier was put under the concrete because when we switched from carpet to wood floors mold starting coming through after a ...
Julie's user avatar
  • 1
0 votes
1 answer
72 views

How can I remove tile from a floor?

3So I decided to remove old gross carpet from a bedroom we haven't used yet so I can start using it and discovered that there was a lot of black mold under it. I am assuming previous people either had ...
Ellerocks's user avatar
0 votes
3 answers
108 views

Cleaning black mold off a concrete floor - good advice or bunk?

I was about to spray some bleach/water on my concrete floor, then scrub it with a nylon brush. Then I saw this article. Is this person correct that bleach won't actually penetrate far enough to kill ...
orchest's user avatar
3 votes
1 answer
325 views

Who do I call for mold and rotting wood floor problem from a bad sealing at the balcony?

We have been moved into this house for three years (2017 build) and we slowly had some blackish bownish mold grow on side of the carpet and wall where the juliet balcony is. Because the issue didn’t ...
ErinY's user avatar
  • 31
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0 answers
22 views

Found mold in upstairs crawl space, should I hire a professional?

I found some mold in my upstairs crawl space. This corner is just inside of the exterior corner of our house. I don't see any visible leaks or any obvious cause. I have some things to remove the ...
anthony-dandrea's user avatar
0 votes
1 answer
46 views

How to best handle mold in unused fireplace with heater?

I have a wood fireplace that's currently unused and I put an electric heater in it like this: Note I am not using this heater very often. I was careful to use legs and leave sufficient room on each ...
divB's user avatar
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0 answers
38 views

Is this mold in my furnace humidifer?

I recently purchased a home and noticed this inside my furnace's humidifier: The home has been vacant for at least 6 months, and I hope that this is only due to it sitting unused for so long. It is ...
PenMonk's user avatar
0 votes
0 answers
32 views

AC Vent - Unidentified Object

Can anyone confirm if this is mold? I’m also extremely curious what the chunk of UGO (unidentified gross object) is that is sticking out. It’s not well lit, there’s another larger object that is on ...
user6711507's user avatar
0 votes
0 answers
19 views

Garage wood treatment

In the future I want to add dry wall and add wire shelving to an unfinished wall in the garage, but I think I need to deal with some pre-existing conditions. What are my options for treating the mold ...
beans4me's user avatar
0 votes
2 answers
51 views

Mildew or Mold?

There was a roof leak in our art studio. In the past few weeks this has appeared. Does this seem like it can be cleaned (with mold killing methods seen online) and repainted or does the drywall need ...
jmills0823's user avatar
0 votes
1 answer
52 views

Found mold on the baseboard behind the bed [duplicate]

Just found mold behind the bedframe on the baseboard. I am honestly scared right now as my toddler has been sleeping in the room for the past 3 months. The room was insulated from exterior with ...
blue3's user avatar
  • 1
0 votes
0 answers
110 views

Black mold found behind crown molding, walls and ceiling. How to remodel correctly?

I bought a 1995 manufactured home on permanent foundation, ~26’x60’ home. 2x4 exterior framing. Entire interior walls, ceiling and trim had been recently painted. Odd musty and smoker smell upon ...
Daniel's user avatar
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1 vote
1 answer
86 views

How can I get rid of this mold prior to new paint job? [duplicate]

I am about to repaint a flat that is close to the sea, not very ventilated hence a bad case of mold developing. What is most concerning is that the outside of the condo has been fully done up recently ...
Daniel Vieira's user avatar
0 votes
2 answers
139 views

Did I paint my walls with mold? [closed]

I was using 6 month old paint to paint a tiny room in my house, the paint was first stored in the attic and then it was stored in the garage for a full week before I started painting. The white paint ...
stella's user avatar
  • 1
0 votes
1 answer
168 views

Is this mold on my floor joists? [duplicate]

I recently bought an older house (~2000) and I noticed that pretty much all the joists in the basement ceiling have this discoloration. I was wondering if any of you have experienced this/can confirm ...
newhomepain's user avatar
0 votes
1 answer
75 views

Excise just the rotted and molded plywood out from the cabinet. What could go wrong?

We have some water damage / mold / rot in the kitchen sink cabinet in the house we just bought. See the following photos: [EDIT: Inlined the photos per suggestion, though downscaled.] I've talked to a ...
rarely-on-stackexchange's user avatar
0 votes
0 answers
44 views

Risk of mold between plywood panel and window

I built a wood panel with a window sill to block the bottom half of a window. The window sash is made of two frames that split the window about halfway. The window and sash are built with a small ...
Alex LM's user avatar
0 votes
1 answer
42 views

Mould like on one window only

I have a weird mould issue. The only window in the house/street like it. There is no leaking pipe etc.
A. Strachan's user avatar
1 vote
1 answer
51 views

Should I do something to prevent mold before covering outdoor exposed floor joists?

I bought an old house last Summer. There is a 8'x12' addition that bumps out from the kitchen, overhanging the back yard. The floor joists are exposed and there is some old insulation stuffed up there....
Pseudonova's user avatar
-1 votes
1 answer
97 views

What should I do if I notice water pooling outside of my shower? [closed]

We recently bought a home built in 2013. Since moving in we have found that the master shower stall leaks. In the month we have lived here we have noticed that the wall on both sides of the shower ...
Leigh Hart's user avatar
7 votes
1 answer
1k views

Removing silicone from shower but it’s filling a gap!

I was hoping to remove the mouldy silicone from the edge of my shower tray, but once I started to remove it have discovered that it’s actually filling a very large gap between the tray and the tiled ...
Bethan Hallett's user avatar
0 votes
1 answer
59 views

Ventilation for a bathroom [closed]

I think a 'mould fix company' is trying to rip me off. They say I have a really wet wall and need to replace the whole wall (inside plaster wall). The bathroom has one small window but is rarely ...
James Smith's user avatar
0 votes
1 answer
188 views

How to treat mold on a single stud?

I live in a house built in 1955. While remodeling a closet, I found a single moldy jack stud, right next to a non-moldy king stud. The mold itself seems to be dry. I was able to cut a little bit off ...
Freddy's user avatar
  • 111
0 votes
1 answer
116 views

How to fix attic sheathing being wet causing mold

I have mold in my attic. I have a mold remediation company that is going to come out and fix it but they will only warranty the work if the underlying issue is resolved. The roof sheathing is at 100% ...
anonjeeper's user avatar
2 votes
1 answer
107 views

Noticed silicone seam in shower was peeling and had lots of mold behind it

My shower has plastic sides that are sealed together with a silicone seam along the edges. Today while cleaning it I noticed it was starting to peel. I pulled it back a little and a bunch of moldy ...
user179707's user avatar
0 votes
1 answer
116 views

How can I remove the mold/odor from my roommates desk cabinet where onions started rotting in a plastic bag?

My university roommate left some onions in a plastic bag in his desks cabinet while he left for winter break. After figuring out where the smell was coming from, I found that the onions had begun to ...
user179629's user avatar
2 votes
1 answer
183 views

Could anyone help me identify what this is? Mold? Efflorescence?

I was cleaning and noticed this today. I am going to go to contact building management and see how best get started handling this as soon as I can (I'm in a co-op). I don't know what this stuff is but ...
Katrina Jones's user avatar
1 vote
1 answer
185 views

Restroom baseboard mold removal - Replace drywall or just clean? [closed]

We're renovating our 1/2 bathroom on the first floor and upon completing demo, we've uncovered a small amount of mold hiding behind the baseboards and areas where there must have been slow leaks from ...
Caulk4Days's user avatar
0 votes
1 answer
60 views

Best attic and crawlspace insulation system for my specific situation

Ok, former owner was a flipper/company and jacked up everything, and so now I've found that they ripped out all of the subfloor insulation in the crawlspace and half the blown in in the atticwithout ...
Monkeybizness707's user avatar
0 votes
0 answers
49 views

What is orange fine dust after vacuuming a new carpet in an old house

I installed a new carpet in an old house. Vacuuming the new carpet picked up orange fine dust. Do you know what might cause the dust? Do I need to worry about it? Is it possible a hidden dry-rot issue ...
Khoa Tran's user avatar
1 vote
1 answer
102 views

Condensation/mold on ceiling in bedroom + high humidity

I am having a strange issue wherein along the exterior/west-facing wall of my bedroom (~110sqft/750sqft house) at the junction with the ceiling there appears to be mold growing and some pretty faint ...
Vincent Huynh's user avatar
-2 votes
2 answers
84 views

Does this look like mold? (Mold test negative)

Recently had a mold test come back negative, despite me pulling a sample from white discolored crawlspace floor joist wood that is very close to an outside opening. I was pretty confident this was ...
colej4586's user avatar
  • 105
0 votes
1 answer
35 views

How to deal with the mold in kitchen

How do I deal with this in kitchen Are all these just algae or something else ? Is it really harmful to health ? like we have to make sure it's 100% not there. Here you can see light grey colour stuff ...
Vivo's user avatar
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