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Questions tagged [moisture]

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Should the shower valve inside the wall ever get wet?

I suspect a leak inside a shower wall in my new rental because of the crumbling drywall on the very bottom and high moisture meter readings. The plumbers came in and opened the wall and found no ...
Bluebird's user avatar
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1 answer
64 views

How bad is this bathroom fan duct setup?

Bought a house about 9 months ago. Largely been good, but we've been having issues with the bathroom ventilation fan dripping moisture back down after longer/hotter showers, and generally not doing a ...
Dan31415's user avatar
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30 views

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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4 votes
1 answer
513 views

How to solve water pooling in crawl space?

Recently was told that we are having a lot of water pool underneath our house. A friend of a friend came too look and told us that we need a crawl space system drain on 3 sides of the house and a sump ...
Gap's user avatar
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1 vote
2 answers
44 views

How does stucco waterproofing work?

(Note: Context is 1929 house in the Bay Area. I think this may be different than stucco in other places?) If I understand correctly, stucco is water permeable and a water barrier is installed between ...
divB's user avatar
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24 views

Drilled anchor holes in drywall far enough to hit metal on external wall, concerned about moisture getting in

Was trying to hang a curtain rod but hit metal on external wall. Super sensitive to mold and worried moisture will now come in. What do I do? Is latex caulk or spackling enough to seal off potential ...
Julia's user avatar
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1 vote
1 answer
59 views

I am in the process of converting an uninsulated block industrial building into my residence. Any suggestions based on my proposed wall assembly?

On the border of US Climate Zones 4 and 5, the building is slab on grade and interestingly has 2 slabs, one on top of the other with a plastic barrier between them as illustrated. The existing ...
Tom's user avatar
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0 answers
9 views

How to seal indoor rendering?

I'm working on making my chimney hearth nice. But before and after plastering, it appears that there is moisture coming through on part of the rendering. I realise I can't go further until this is ...
SingularityFuture's user avatar
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1 answer
68 views

Vapor barrier in crawlspace is stapled to the top of the space and not on the bottom

I just got a house that has a vapor barrier installed to the top of crawl space on the bottom of the insulation (image attached). I live in the wet part of the PNW and was wondering if this is ...
MyWalletIsOnFire's user avatar
0 votes
2 answers
80 views

Steel basement beam rusting [closed]

We supply steel beams in Western NY and we apply a structural steel primer to all beams. We have a customer who has beams that are rusting in a basement. The beams have been in place for 3-4 years, ...
Andrew's user avatar
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0 votes
1 answer
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Raising floor in bathroom from concrete subfloor for vinyl sheet finish

I have a concrete bathroom floor where I want to install new fully waterproof vinyl at a finished height of 1/2 inch to bring it level with the hall floor and make it feel less like walking directly ...
xtratic's user avatar
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1 answer
41 views

Need Help with Bathroom Exhaust Fan/Vent

I have a bathroom exhaust fan that is not working. It seems to be a light/fan combo unit (see below pictures). The fan use to turn on when the light was turned on, but it's no longer functioning. The ...
SOJ3's user avatar
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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
1 vote
1 answer
53 views

Fixing root cause of wet garage drywall

I have a detached, at or above grade garage with a concrete slab floor and sheetrocked, insulated walls. I noticed some moisture on the drywall during pre-purchase inspection last fall, but it's ...
John's user avatar
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1 vote
0 answers
65 views

Is it safe to use 'space blankets' over loose fill insulation in an attic?

My townhouse has a small attic area over a bedroom (and another inaccessible space over another room). The attic space is on the south side of the building and there is a lot of heat gain in the ...
Hairy Beast's user avatar
2 votes
1 answer
59 views

Is it safe to put thin insulation board on the bottom of joists in crawlspace?

My townhouse has a partial lower level and partial crawlspace of dirt. Rooms with crawlspace under get pretty cold in winter. There is some un-faced (I think) fiberglass roll insulation tucked up ...
Hairy Beast's user avatar
0 votes
1 answer
140 views

Moisture damage in exterior wall - trying to figure out cause/remedy

So we moved a mattress that was covered in plastic sheeting and had been there since the summer leaning against the wall and discovered this. The plastic sheeting had water on it as well. A couple ...
Sadaharu's user avatar
0 votes
1 answer
86 views

Discolored bedroom ceiling

We returned home after the holidays and saw that the ceiling in our upstairs bedroom has been discolored. I checked with the moisture meter and it showed a "100% wet" reading, but only in a ...
Gganbu703's user avatar
2 votes
1 answer
78 views

Do I need to worry about this discoloration on my wall?

This has been discoloring over years. Obviously it’s where the insulation ends and the drywall is exposed in the attic space. I know nothing about home stuff… how serious is this? Of note, it is not ...
user180066's user avatar
3 votes
1 answer
201 views

Terminating wall perpendicular to an unfinished outside wall

I have unfinished framing that runs perpendicular to an outside wall, which is a cinder block foundation. I think terminating drywall against another surface (such as wood or brick) which is interior ...
Matthew's user avatar
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1 vote
1 answer
79 views

How can I close and seal holes in my foundation?

I'm facing a challenging situation with my house and need some advice. I'm new to this, so bear with me as I provide the details: Problem Description: Foundation Holes: The front of our house has ...
Max Gowan's user avatar
2 votes
1 answer
234 views

Should humidity levels in my attic be the same as outdoors?

In my attic should the moisture level be the same as outside? I’m in Canada so what should the moisture levels be during the seasons?
Saad's user avatar
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0 votes
1 answer
57 views

Vaulted kitchen ceiling but now have moisture between roof and insulation. Possible cause and remedy? [closed]

We're re-doing our kitchen and decided to vault the ceiling. Previously, above the ceiling there was a good amount of attic space but now the insulation is right up against the inside of the roof, and ...
Vic's user avatar
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1 vote
2 answers
94 views

Vapor Barrier possibly concealing leaks [closed]

Vapor barrier concealing leaks Hey there! I could really use some advice on those that have plastic sheeting in their ceilings. We just moved into a 1970s socal home in June. We have had numerous ...
Rachael's user avatar
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-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
2 votes
1 answer
456 views

What moisture content reading do I need to wait for before tiling on a sceed floor?

We've recently had an anhydrite liquid screed floor laid in our house. We are now waiting for it to dry before porcelain floor tiles are laid (over a decoupling layer). There is some disagreement ...
Simon P Stevens's user avatar
0 votes
2 answers
341 views

How should I go about troubleshooting this brown spot that appeared on my master bathroom ceiling?

This brown spot recently appeared on our master bathroom ceiling. This is a second floor ceiling. The attic is above this room. The HVAC is in the attic above this room. It's not directly over it, ...
braveterry's user avatar
2 votes
1 answer
598 views

How to insulate Rim Joist with no sill plate?

I recently had an energy audit/blower door test on my 1963 single-story ranch home in SE Michigan. They noted a lot of air infiltration along the baseboards, and recommended pro sprayfoaming the rim ...
sonoflee's user avatar
0 votes
1 answer
155 views

I have 19/32 Plywood subfloor screwed to floor joists. Can I add a MLV and floating OSB subfloor before installing LVP?

I am rebuilding the floor of a living room/dining room and am down to the plywood subfloor. I want to reduce noise transmission to the basement while keeping a low maintenance, low-ish budget solution....
Mark S's user avatar
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0 votes
2 answers
109 views

Old garage conversion to ADU: insulation question

I have a 2 x 4 framed garage. Years ago I insulated it with R13 fiberglass batts. Then I wrapped the whole garage in 1 inch EPS (R4), and put T1-11 over it. This worked just fine when it was a shop....
user1260251's user avatar
0 votes
1 answer
303 views

How do I properly finish basement without framing?

Here is the issue: we have an unfinished laundry room and an unfinished closet. I would like to finish both of them. We are in a wet/moisture climate (Wisconsin). I am trying to do this without ...
Patrick's user avatar
0 votes
0 answers
29 views

Is our subfloor dry enough to lay hardwood flooring on?

we live in a coastal town in the NE and we are getting ready to lay hardwood floors. Some rooms, the lauan was not in good shape due to pulling up prior floor, so we pulled that up, but other rooms, ...
Carlo's user avatar
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1 vote
1 answer
243 views

Do you need a subfloor over insulated concrete?

I'm having a house built, and I was discussing the floor in the basement with the builder. I thought I was going to use LVP over a subfloor, but the builder says they no longer put subfloors over ...
Paul Norman's user avatar
0 votes
1 answer
192 views

Do I need a vapor barrier under drywall in my unfinished garage?

I’ve got an attached unfinished garage and laundry room. I’d like to put something on the walls to attach shelves to sort out my mess of stuff and to convert the space into a more usable workshop. ...
Gary P's user avatar
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1 vote
1 answer
147 views

What could be causing this moisture issue at the bottom of the middle wall?

We're baffled by this. Can someone help us solve this mystery? In our mobile home, we recently (as in within the past few days) discovered some moisture behind the baseboard in the middle of an ...
VeryConfusedHomeowners's user avatar
0 votes
2 answers
900 views

Moisture in center and corner of windows when raining

I have four double windows where moisture appears in the center or corners of the interior window sills when it rains. Even a light rain will show some moisture/softness on the interior window sill. I ...
E homeowner's user avatar
0 votes
1 answer
167 views

Fence touching soil and bark

Fence built by a builder. Coming up on one year warranty. Was thinking about long term implications for a fence that is buried at least 3 inches in between soil and bark. Unless this is not to fence ...
MethodicalMind's user avatar
1 vote
1 answer
286 views

What type of prep do my basement floors need before carpet reinstall

I just ripped up my 30 year old basement carpet. There was significant efflorescence on the floor along along an exterior wall, where carpet padding wasn't used. The carpet in general felt "...
user169686's user avatar
0 votes
1 answer
84 views

How do I fix this corner?

I am trying to fix up the bathroom in my new apartment before I move in. The rest of it is bad, but not like this. It was duct taped in so I assume moisture got behind there and destroyed it. There ...
Bowie's user avatar
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0 votes
1 answer
95 views

Water heater leak into base. Concerned about moisture or mold

I am in process of replacing my 17 yo gas water heater. I am estimating it was leaking steady (maybe a drop or two a second) for around 24 hours before I got it shut off. Should I be concerned about ...
Bill DeJong's user avatar
0 votes
0 answers
162 views

Can plywood permanently retain moisture in an isolated spot?

The subfloor on the main level of my townhouse has several very small isolated wet spots. There is a crawl space underneath, and I thought high humidity in the crawl space was the culprit, but I no ...
Janet V's user avatar
0 votes
1 answer
109 views

Will dehumidifier damage old painted plaster?

I found a window leak during the rain, which ended up wetting a plaster wall near the window. During the rain, a 2 in by 6 in spot of paint lightly bubbled, the bubbles went away shortly after. Now, a ...
Ruslan Osipov's user avatar
0 votes
0 answers
1k views

Vinyl Sheet Flooring -- Underlayment?

I'm looking at laying down some vinyl sheet flooring in my basement. Currently it's just a concrete floor with a layer of DryLok I've painted over it. My question/concern is, do I need some type of ...
NoName's user avatar
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1 vote
2 answers
328 views

How wet a hole (with rain) is too wet to put concrete anchors in? [closed]

A few weeks ago I drilled 1/4" holes in my patio slab to mount some ~6' tall 4x4s with post brackets and wedge anchors (for a catio - ideally able to bear the weight of jumping cats). But I didn'...
Procrastinatrix's user avatar
0 votes
1 answer
821 views

What would cause drywall moisture to raise during the day and drop at night?

There is a portion of drywall to the side of a window in my bedroom (4' W x 5' H) that was saturated with moisture (my pinless moisture meter calibrated for drywall would read 100%). Not sure when the ...
Ruslan Osipov's user avatar
1 vote
2 answers
982 views

Vapor barrier under shed floor

I'm purchasing a shed that I intend to use as a home gym. On delivery, the shed will be uninsulated, aside from the roof which is metal with a bubble underlayment. The floor is a single layer of ...
John Carter's user avatar
0 votes
0 answers
134 views

Carpet under framing 2x4 exterior wall ,the carpet got wet and needs to be pulled out ,do I need to support each area under bottom plate stud

Framing of wall over carpet and pad ,carpet and pad got wet and cannot be dried properly so we need to remove the carpet and pad under the bottom plate studs,do I have to brace the bottom plate studs ...
The Restorer's user avatar
1 vote
1 answer
568 views

Bathroom shower wall tile is cracked across 4 tiles. Opinions?

Some structural guys bopped the back of a bathroom shower wall while installing some beams on the other side. A few subway tiles in a corner cracked in an area that get's a lot of moisture. Although I ...
tbSMITH's user avatar
  • 11
0 votes
3 answers
1k views

Whom to call to inspect damaged drywall ceiling of garage and repair leak?

Hello dear experts and DYIers, I’ve noticed drywall coming off from my garage’s ceiling. After a closer look I suspect water/moisture issues. There is some roof over the garage and a gutter that goes ...
Thomas's user avatar
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1 vote
1 answer
80 views

Is discoloration in my basement wall framing a concern?

We have a leak in our foundation, so I opened up the wall to patch it. This section of the wall comes to a T, and when I cut off the 2x4, I noticed discoloration in roughly 35-40% of the 2x4 that ...
Mason's user avatar
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