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

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34 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
38 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
50 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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1answer
35 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
85 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
71 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
60 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
55 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
96 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
69 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
84 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
28 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
52 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
287 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
40 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
66 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
52 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
163 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
95 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
15 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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1answer
248 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
85 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
594 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
101 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
405 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
157 views

How to temporarily cover mould/damp wall(dried) from gassing toxins?

I had a dampness appear in a corner of one of my rooms. I wasn't using the room so its been months now and it has become dry. However the damage is visible and it is still gassing off toxins. ...
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0answers
60 views

how to fix the dry wall inside of the outer wall ? and what is brown glossy paper in between drywall and insulation? ?

I just found a mold in the bottom corner of my house inside of outer wall. I cleaned mold with bleach and cut the corner. is there any specific way to fix the dry wall of outer wall. Also plz what ...
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58 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
121 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
4k 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
1k 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 ...
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1answer
170 views

Is this mold on my AC vent?

I went to close the AC vent in the apartment we're renting and saw this. Is this mold or just many years of dust buildup? If it is mold, can I safely just remove the vent and wash it?
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1answer
224 views

How can I prevent mold on the wall/particle board behind the kitchen sink?

Behind the kitchen sink I noticed this deteriorating situation happening so I took it apart until I found no more mold and then washed with bleach (1 tbsp to 1 gallon) and let it dry good. It's all ...
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1answer
156 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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0answers
38 views

How can I repair a crack in my foundation that is leaking?

We need help and we don't know who to contact and how to fix the problem. We have a crack in the foundation. Pavers on one side, crack where the siding of the house is and then water is coming from ...
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1answer
81 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 ...
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2answers
425 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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1answer
258 views

Is it safe to use apple cider vinegar / baking soda to remove mold on (soft) plastic?

Will the (soft) plastic be eroded or produce bad chemical due to the low / high pH?
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1answer
146 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
476 views

How do I source, remove, and prevent green mold on my aluminum windows?

I live north of the equator in a humid climate. The 2 north-facing windows pictured below only get direct light (lots of it) in the evening. We get a lot of rain. There is green mold growing from ...
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1answer
69 views

Trimming timber support to remove suspected mold

I am doing some plumbing work on a shower that has not been used for several years. It previously had a slow leak that caused a damp spot on the ceiling below. I noticed a small patch of black mold ...
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1answer
135 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
510 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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1answer
1k views

How do I prevent mold in drywall mud pail?

I just opened my pail of drywall mud and discovered mold on the sides. It has been a few months since I last opened it. This happened to me a few years ago. I tried using the mud anyway, but the bad ...
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1answer
196 views

Is mold remediation effective in the long term?

Our home inspector just found serious mold problems in a home we are considering buying. The seller are willing to pay for remediation, but I'm very concerned about the possibility that mold would ...
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1answer
137 views

Contractor vented bathroom vents in attic, now I have mold. Is he accountable? [closed]

A few years ago I bought a home. The inspector found mold in the attic and pointed out that the upstairs bathrooms did not have vents. I remediated the mold and had an electrician install vents that ...
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3answers
1k views

Something in my home is making my family sick. How do I determine what it is?

My wife and I moved into a new rental house two months ago. Our small dog, my wife, and myself have all started experiencing symptoms such as headaches, runny nose, constant congestion, cold-like ...
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1answer
537 views

Is there a quick cure for refrigerator drip tray stink?

My fridge has a bad stink that has been getting worse lately. I can clean it out and temporarily fix it with vinegar ,bleach, and/or baking powder, but these are not long term fixes. When the water ...
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1answer
71 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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5answers
3k views

Inside of Washing Machine smells horrible. How to fix?

I bought a used Washing Machine (Miele W828) that looked to be in perfect condition. It actually works perfectly. However, the inside of the Machine smells horrible, like mildew. This smell gets ...