Skip to main content
29 votes
Accepted

What kind of unvented tumble dryer will reduce indoor humidity?

A more compact alternative worth a mention is a dehumidifer. I dry my washing indoors in UK winters, without a tumble drier. For efficient drying, shutting the damp washing and dehumidifer in a room ...
Chris H's user avatar
  • 6,721
16 votes

What is this on two boards in crawl space?

I've seen similar patterns where apparently some of the boards were first used in a concrete "form", then the form was disassembled (after the concrete was poured and hardened) and the ...
Hot Licks's user avatar
  • 2,093
16 votes

What kind of unvented tumble dryer will reduce indoor humidity?

Heat Pump or Condensing Dryers will not add meaningful moisture to your apartment. Both Heat Pump and Condensing Dryers are closed loop systems, recirculating air inside the unit. Both use a ...
DelphicOracle's user avatar
15 votes
Accepted

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

Dig out enough to put in backer rod under the new caulking, and apply new caulking. Which is how it should have been done in the first place. Foam backer rod is available in multiple sizes and is ...
Ecnerwal's user avatar
  • 220k
14 votes

Is this mold/mildew? Is it a concern? (Bathroom Shower Ceiling)

The is mold. You will need to scrape it off and repaint. I think I have a couple of answers about this but I have redone quite a few bathrooms and I do one or another option below. #1 Oil based ...
DMoore's user avatar
  • 49.3k
13 votes

Is this mold/mildew? Is it a concern? (Bathroom Shower Ceiling)

It is mold. Mold is typically present in bathrooms with inadequate ventilation. The first thing you need to do is verify that your exhaust fan is working correctly, that the exhaust hose is not ...
matt.'s user avatar
  • 3,051
8 votes

Is DIY water mitigation possible in my case?

The general rule on water damage is Make sure no additional water gets in Dry stuff out If damaged, do your best to replace it Most of the problems with water damage are long-term. Wood will rot, ...
Machavity's user avatar
  • 25.3k
8 votes

How would I fix this leaking garage?

...Fix the roof. It's not complicated or mysterious - the roof leaks, so it's wet, and you need to stop that. Which is going to be work if it's a concrete deck ( less if removable pavers so you can ...
Ecnerwal's user avatar
  • 220k
7 votes

What is this on two boards in crawl space?

I'd guess you have two boards that are pressure treated (or possibly paint-on treated) with a copper-containing mixture sharing the diagonal sheathing job with a bunch of un-treated boards. Hard to ...
Ecnerwal's user avatar
  • 220k
5 votes
Accepted

Is DIY water mitigation possible in my case?

Remove all the stuff (like the false ceiling and the wood paneling/drywall) that is wet and can be replaced easily as its a barrier to let the structure dry. The structural wood is wet, and wetrot/...
ChucktheDuck's user avatar
4 votes

Kitchen sink border rotting

The countertop need to be replaced. Period. There is no repair that is not anything other than a waste of time and money. The cabinetry may need replacing as well.
RMDman's user avatar
  • 32.6k
4 votes

Trying to replace the bathroom exhaust fan with a new fan and heater. How do I go about it from where I am now?

The old fan looks like just a heater with a fan to blow warm air. There is no evidence that it has ventilating properties. The new fan is a ventilating fan that directs air to the outside. It is not ...
RMDman's user avatar
  • 32.6k
4 votes

Purple drywall in bathroom

No reason not to use them. They are specifically made for humid rooms. However they are not strong enough for tile walls. For that use concrete (backer boards) that will not flex and ruin your tile ...
Traveler's user avatar
  • 17.9k
4 votes

Is this mold/mildew? Is it a concern? (Bathroom Shower Ceiling)

In contrast with the other answers, I'm going to say that oil-based paint is not the answer, and in fact will often make the problem worse. If you are getting mold, the issue is quite simply ...
SiHa's user avatar
  • 2,743
4 votes
Accepted

Where Does Mold Come From

Fungal spores are everywhere. You are breathing them right now, and your immune system is keeping the fungi from growing inside and outside of you. These spores can grow anywhere there's a good ...
Cheery's user avatar
  • 6,964
4 votes
Accepted

How to best handle mold in unused fireplace with heater?

This is not mold. This is efflorescence (minerals migrating out of the material) caused by moisture moving through the brick. It is not a health hazard. If you want to remove it, use muriatic acid.
DelphicOracle's user avatar
4 votes

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

Disclaimer: I work for a general contractor, so have a bias. With that out of the way, you need a general contractor. What I can envision is pretty substantial structural repairs, which will involve ...
Aloysius Defenestrate's user avatar
3 votes

I just bought a house and found this mold. What should I do about it?

You're asking the wrong question. "What should I do about it?" Contact a remediation service. Not only do you need to massively renovate this space, you need to identify the source. I ...
AdamO's user avatar
  • 764
3 votes

How do I prevent condensation inside a wall sconce?

Moist air is making its way into the electric box, then it condenses when it hits the metal cover plate (which is cooler than the inside of the box, since it's in contact with the air-conditioned ...
Mike Baranczak's user avatar
3 votes

How can I prevent mold and rot in a ground-level deck?

You have moisture wicking up through the ground, and you have moisture dropping from the sky. The only way to mitigate mold and rot in that scenario is airflow. If there isn't an open space below the ...
isherwood's user avatar
  • 141k
3 votes
Accepted

What's this grey stuff on concrete wall

Dirt, mold, mildew and/or algae. Wash it, bleach it, possibly pressure-wash it with likely paint removal as a result. Repaint it once dry with suitable masonry primer and paint for exterior use.
Ecnerwal's user avatar
  • 220k
3 votes

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

The top pic shows the results of a water leak that has caused the oxidation of the aluminium window frame. It is the aluminium version of rust. The second pic is also from a water leak. The pic is too ...
RMDman's user avatar
  • 32.6k
3 votes

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

Typically there's a flange back there with the shower wall shingling on top to prevent water intrusion. Just strip the old sealant, clean everything, dry everything out, and apply fresh sealant. ...
popham's user avatar
  • 10.4k
3 votes

Ventilation for a bathroom

In most places, every bathroom is required to have at least one of: A window that can be opened for ventilation to the outdoors An exhaust fan that vents to the outdoors The primary reason is ...
manassehkatz-Moving 2 Codidact's user avatar
3 votes

Found inside a baseboard heater. Is this mold?

Fungal spores are everywhere. You are breathing them right now. They are not harmful. The picture looks like the normal dirt that accumulates behind baseboards. Get an old spray bottle and fill it ...
Cheery's user avatar
  • 6,964
3 votes

Does anyone know if this water damage is mold?

That is classic water damage. You need to find and correct the source of the water. Then do treatment and repairs. The black areas of the wood is rotted or beginning the process of rot from wood ...
RMDman's user avatar
  • 32.6k
2 votes

Black moldy-looking spots on clothes after washing

Mould wouldn't feel rubbery, and spots looking like that would mean mould growth - which there wasn't time for unless you left stuff in there for a couple of days. So I reckon something rubbery has ...
Chris H's user avatar
  • 6,721
2 votes

Black moldy-looking spots on clothes after washing

Did you recently wash footwear that had rubber dots on the soles for friction? And did many of the dots disappear from the footwear? Happened to me once. The dots dispersed and ended up as a gooey ...
MTA's user avatar
  • 11.4k
2 votes

Hole in interior wall, can't figure out what I'm looking at

The brown stuff is rust. How it got there is a mystery that you will have to help us figure out with more info. The corner of the drywall is us done with a "corner bead". That runs ...
RMDman's user avatar
  • 32.6k
2 votes
Accepted

Shower leaking onto carpet in adjacent bedroom

I'd be careful about how you add more waterproofing here. Sealing the grout should help, and makes your shower surface less porous. However, depending on the water proofing system used, throwing in ...
Brad T's user avatar
  • 186

Only top scored, non community-wiki answers of a minimum length are eligible