Questions tagged [moisture]
The moisture tag has no usage guidance.
321
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Raising a sunken living room floor and concerned about moisture under new raised floor [closed]
I am raising a sunken living room floor but have some concerns about possible moisture problems under this raised floor. Here is what I have.
A 1979 typical ranch style. It is roughly a 16 x 20 ...
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What should I do with the airflow in a sealed off conditioned crawlspace
First and foremost thanks ahead of time for everyone's help :)
I am in the process of finishing my basement and had some questions/concerns about "what to do with the air" in my crawlspace. ...
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How to remove/prevent mold from forming in bathroom
I just bought a rental property and one of the tenants bathrooms seems to have a mold issue. In the shower, around the toilet, and around the perimeter of the room there seems to be mold/dirt build up....
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Do I need so many fasteners and an edge gap for a basement subfloor on concrete?
I'm getting ready to install subflooring in a residential basement, which currently has exposed concrete slab. The concrete is well-cured (50 years) with no moisture problems. The plan is to lay down ...
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placing a tile on an old plank floor
The subfloor in my home is 4" planks. The previous owner removed the hardwood, painted the flooring and left it that way (I have no idea why you would do that).
Regardless I want to put down tile. ...
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What could cause a wet soil / moisture smell on concrete slab
I have a wet soil smell coming from the living room concrete slab.
I had to remove all the tile in the leaving room.
A remediation company came, they removed the drywall and dehumidified the place, ...
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Mystery of the wet internal door
I have a mystery and would like help solving it. I have an old original Victorian door in my house that gets a wet patch on it. It’s permanently wet / damp in the same area, although sometimes the ...
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Spray foam insulation against metal roofing
The context of this question is new construction for a small (28' x 32') outbuilding that will be used for commercial purposes. All work will be permitted and inspected (governed by these codes). I am ...
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Remove plywood floor before insulating attic?
My 1940 house's upstairs ceiling is composed of:
1/2" of plaster
1/2" of solid paper backing
2x6" joists spaced 16" apart (2" rolled batt and 4" open-faced batt insulation)
1/2 inch plywood
Open ...
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Moisture leaking out of chip in floor tile
I dropped something heavy and mildly pointed onto the bathroom floor.
The Bathroom is tiled with ~30cm square black "slate like" tiles, but where I dropped this thing, the surface has been badly (2-3 ...
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What could be the sources of humidity that build up in a house in an arid environment? Outside RH: 10%; Inside RH: 40% +
We open our window at night at the temps get down to 70F @20% RH. The temp in the house drops to 75F and the RH is 33%. We close our windows when we go to work.
When mid day comes, outside, the ...
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Fireplace/brick foundation
I'm rebuilding my garage and have planned to install a footer, full brick base, and full brick wall behind a wood burning stove. I'm planning to have the "base" be mostly standard concrete block with ...
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What's the best way to keep humidity down in crawl space?
I have a nominally dry crawl space that is around 22' square and about 4' tall with a concrete floor. It has no indication of leaks and is dry, but too moist during the hot Maryland summers to keep ...
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Would an opening to the outside help me dry out a basement?
I had a hot tub problem which resulted in huge amounts of water gushing out into the yard. This happened a couple of times. (Hot tub repair company from hell.) The hot tub is situated a few feet ...
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Water around furnace: culprit?
Problem:
After heavy rain, water pools around our basement furnace. After climbing onto the roof, I found a mysterious (plumbing?) vent.
This post seemed relevant, but 0.5 gallons comes in after a ...
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How can I determine if moisture in a basement is due to condenstation vs intrusion through walls?
I have a 1902 house built upon a limestone foundation, and I am interesting in finishing a portion of the basement to build a home office. Before I build anything though, I want to make sure I do it ...
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Can the vapor barrier between a dry floating concrete slab and linoleum flooring be foregone?
I have a two year old house that sits on an 8" concrete floating slab. The slab is insulated below and around the side. The floors in the house are unfinished. That is, the concrete slab is ...
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Reducing moisture from semi-finished basement concrete floor
I'm looking for advice for a good way to reduce moisture seepage through my basement concrete floor.
My research has turned up several promising approaches:
Surface-only treatments
Specialty paints
...
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Do I need to replace this sub floor after bad tub installation?
I bought this house ~6 months ago and I noticed then that the caulk around this tub was not installed properly. I just barely got around to opening it up and seeing what was underneath and I found ...
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Basement moisture on foundation issues
After taking all sheet-rock down I noticed that all walls (cement block) siting under ground are moist. Some of them even ate through footers. After farther look at the house I found out that their is ...
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How to permanently remove moisture on concrete kitchen floor
We are currently renovating our kitchen and when we removed our vinyl flooring we noticed lot of moisture. We want to put self adhesive vinyl tiles but wanted to avoid the scenario of moisture ...
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Vapor barrier for crawl space
We have a home at Oak Island NC. Our home was built in the 70's. There were no mildew or mold problem until we had plastic put in our crawl space. After a few years we now have the mold problem so we ...
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Unfinished basement in Georgia townhome; would vapor barrier on interior trap moisture?
I have a town house that is a middle unit on a slab. The back wall is above grade, with exterior windows and door. The sidewalls abut adjacent units, so there is no wall in contact with soil for the ...
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How can I keep a hanging cloth hydrated?
As the summers are approaching, it kinda gets hot in my room. I make it cooler by dipping a bed-sheet in water and then hanging it on the curtain rod next to the window.
This cools down the air that ...
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Replacing sheetrock with greenboard after remodel [closed]
I'm remodeling a kitchen which will have tile extended to the ceiling behind the counters. Currently there is relatively new sheetrock installed where the counters will go. However there is ...
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Should I frame out my foundation walls before or after I install the subfloor?
I'm about to start on finishing our basement and I'm going to put down a subfloor of DMX AG along with 5/8" T&G OSB. Should I frame out my perimeter foundation walls before the subfloor or after? ...
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Redoing insulation in the basement of the home I recently purchased
I recently purchased a home and have begun to do renovations on the basement. I am starting to look at insulation and so I have been researching what the best way would be to do that. The problem I am ...
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Damp/Wet Corners with Mold in House
In the outer corners along the external walls of our house, and inside closets on external walls we are experiencing water and moisture gathering on the flooring and there is mold appearing on the ...
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Wall putty and moisture accumulation
I recently patched a few anchor holes in the wall that were about 9mm in diameter with wall putty.
It seems natural that some of the moisture goes into the wall interior when it dries. Could ...
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Basement room + concrete foundation + drywall + moisture question
Basement + concrete foundation + drywall / moisture question: just got drywall glued to a small portion of concrete foundation in an unfinished basement room:
Should I have contractor remove these ...
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ventilating mildew-prone walk-in shower
I have a walk-in shower, roughly 2-1/2 x 5 ft, 7ft high, with a shower-curtained opening. The mildew problem on the grout is pretty bad. I've seen some good articles here on controlling mildew, but ...
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Ways to dry out space in wall or ceiling
I am installing recessed lighting into our living room.
The ceiling of the room is topped with a flat roof.
At one point, there were a handful of leaks in this roof that have since been repaired. ...
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Installing insulation board in basement to control moisture
I just had a basement waterproofing job done and it is doing an awesome job relieving pressure and keeping the basement flood-free (we just had a very large amount of rain here in central PA and it ...
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Flex shield moist protection against fungus?
Contractors are currently replacing a wooden floor which had been bowing, and repainting a wall. Both were damaged as a result of a leaking air conditioning pipe in the wall.
I’ve expressed a ...
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How do I stop water leaking from a concrete slab porch into the rooms below?
My front porch is concrete and is above a portion of my garage, laundry room, and a basement bathroom. The house is in Zone 6b: -5 to 0 F. The rooms are not finished and I am not sure of the ...
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Water/ moisture coming through patched concrete hole in basement floor
We had our walls braced last summer and the basement guys had to drill holes in the floor to push the walls back in to place. They patched up the holes with concrete and I've noticed a few times (...
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How to correct burying cement board into shower pan concrete?
I made the big mistake of burying my cement board (Hardiebacker) into the concrete of my shower pan. I now understand the risks with water wicking up into my concrete boards, and causing a moisture/...
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What moisture content of wood is desirable for building an open veranda?
My family is planning on building an open veranda in Europe in a climate with the average annual percentage of relative humidity of 76.0% and the standard deviation of 8.5%. The framing will be done ...
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How can I determine whether I have moisture issues behind a brick facade
I removed a wall panel next to the window in my garage and removed the wall insulation to expose a particle board (think that's the right term) panel that's behind the exterior brick facade. The ...
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Dehumidifying an unheated garage
I have a small, 40 year old garage in the backyard of the block of apartments where I live, which I've turned into a workshop. I replaced the roof, and repaired and strengthened the back wall, filled ...
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Bathroom light and fan combo safety and wiriing
I am putting a new bathroom light and fan combo in my bathroom. I already have a light above the mirror of the bathroom that provides light for the rest of the area.
However the fan/light combo I ...
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How to fix condensation between layers of insulation in unfinished wall?
An above grade portion (wood framing) of my basement walls (in unfinished furnace room) is currently insulated with faced R19 fiberglass batts. I live in nothern climate zone 5.
Unfortunately there ...
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What substance absorbs the most moisture in a given time?
I have bought some damp traps. When it comes to refilling them, what substance would soak up the most moisture? Googling, dishwasher salt and cat litter have been suggested, but nobody seems to be ...
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What amount of moisture is acceptable in a mostly dry concrete basement?
My basement is generally very dry but I want to know how much moisture is too much, to better prioritize when I need to reduce it.
The basement is mostly concrete floors and walls with exposed wood ...
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Do I need to re-sheath, wrap and side an old house just insulate it?
Looking into buying this house that was built around 1900. From the photos, it appears that there is a layer of shiplap underneath the siding. Is there any way, barring ripping all of the siding off ...
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To use or Not - Vapor Barrier for Brick House
My wife and I recently purchased a mid-1800's brick schoolhouse and are remodeling it from top to bottom. We stripped the walls down to the original brick (3 brick layers deep), and we then proceeded ...
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Removal of Plastic Vapor Barrier
Should the plastic vapor barrier be removed from under or replaced under exterior wall drywall? I am working on a house which had major termite damage. The house is located in a town in upstate New ...
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How to remove hydrostatic pressure from basement floor so we can finish part of the basement?
We purchased a 3000 square foot ranch that was built in 1977. We would like to finish about 1000 sf of the basement. It has poured concrete walls and a concrete floor. Currently, we have two sump ...
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Plywood over rigid foam over concrete: will I have moisture issues?
Short version: If I install 3" of rigid foam over a poured concrete foundation wall that has been sealed with Xypex, will I have any moisture issues if I install plywood directly over the rigid?
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Wood between slab allowing ground water seepage
Warning: Lots of setup ahead...
We have lived in our house for almost 3 years now. The house was built in a newer addition approximately 25 years ago. The grounds is mostly graded away from the house,...