Questions tagged [moisture]

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Is it ok to use drywall instead of cement board on a kitchen backsplash behind the cooktop, there is no running water in the area

I recently had old tile backsplash removed down to the studs. Is it ok to use drywall instead of cement board on a kitchen backsplash behind the cook top, there is no running water in the area, the ...
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How soon should I see moisture levels improve after grading?

An inspector showed me several spots in my basement where I have excessive moisture levels in the drywall along the exterior walls in the basement, and along parts of the exposed concrete block ...
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Rigid foam board vs Tyvek under new siding

We are looking at getting new siding here in zone 5 Iowa. Our house was built in 1979 and has 2x4 walls. I have seen that if we add rigid foam insulation we need to use at a minimum of R-5. Do we need ...
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Fix hardwood floor finish damaged by ironing carpet?

I did a boneheaded thing. I used medium heat iron over a damp rag to iron out some creases/curl from a couple of wool carpets, and damaged the PU finish on my floor. How to fix this - any special ...
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White Spots on Wood in Attic

Went up to the attic today and saw these white spots on the wood for the ceiling. Just wondering what they are and if I should be concerned? And also how to get rid of it and prevent it from coming ...
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Moisture in bay window bench seat

I live in a 1940s house with uninsulated double brick wythe exterior walls. The interior wythe has some kind of masonry skim coat. The front wall of the house has a bay window. Last spring, I built a ...
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How to water seal a kitchen sink

while installing a water filter under the kitchen sink I noticed a damp and rotting section of wood. I followed it up and saw it was being used to secure the kitchen sink from underneath. There are 2 ...
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Varnish or other sealant for yellowtongue under carpet?

I live in a humid area and currently have wool carpet on yellowtongue. In really humid periods, the wool soaks up the moisture and even starts to get the particleboard underneath damp. It stinks and ...
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What does the detection of high moisture levels in shower walls imply?

In the annual timber pest inspection report, there is something about high moisture levels being detected in the shower walls together with these photos: I recently re-seated the shower taps and ...
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What should I do about condensation on radiant barrier in basement?

I have insulation surrounding the opening of two of my egress windows in the basement. I am noticing a good deal of condensation where this insulation is in contact with the radiant barrier which is ...
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When framing stud walls against concrete basement foundation walls, can the frame make direct contact with the moisture barrier?

I am planning to frame a habitable space in my basement. The basement is poured concrete walls with an exterior DMX foundation wrap. There is also a vapor barrier installed under the slab. For the ...
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Does a basement bathroom exhaust fan duct need to be insulated?

We have a bathroom in a finished basement. While removing the old bathroom fan I discovered that the duct pipe leading outside is not insulated. Should the bathroom fan duct be insulated traveling ...
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Cabinets Installed Directly on Slab?

I just had some cabinets installed in my kitchen directly on the concrete slab foundation, and the installer didn't use any moisture barrier or anything comparable to ensure the wood products avoid ...
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1 answer
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Advice on injectable silicone-based damp-proof course

I have a 140-year-old house of heavy masonry (bluestone/basalt) construction. It is built into the side of a hill with about 25% of the "basement" actually below ground level: You can ...
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2 votes
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Should I be concerned about moisture around sprinkler head and vent grates in my bathroom?

I recently moved into a mid-rise condo with a bathroom situated in the interior of the building (no windows). The bathroom has relatively poor ventilation--there's no exhaust fan and it has just a ...
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Drop ceiling in a bathroom

I'm thinking of installing a drop ceiling with acoustical tiles in a basement bathroom. Will this be a problem with moisture even with an exhaust fan installed?
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My screened in porch with concrete slab for flooring smells like dirty feet at night

I purchased a home that at the time was an open porch with a concrete slab as a floor (painted). Early in 2021, I had it screened in and wanted to paint the concrete a different color. I stripped/...
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Can I add plastic moisture barrier under my conventional floors without further damaging wood floor joists?

I have a conventional 2x8 floor that is 40 inches off the ground. The crawlspace has 6"x12" vents on all sides of the house, spaced every 12-15 feet. We live in a humid area. Can I add ...
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Recommendation to avoid wood beams to get rotten and break

I'm trying to see what can I do to avoid my carport to fall apart. When I bought the house two years ago I noticed that the wood beams that supported the cover for my carport were getting wet close to ...
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Raised Deck for Enclosed Sunroom

I framed a 14' x 16' deck on piers between 3-4' from grade as the base for an enclosed, heated Sunroom. I applied 4X8 sheets of 1/2" PT to the underside. Then I used 1 1/2" Styrofoam ...
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Question: Condensation - Insulation and a 130 year old double boarded house

I own a house that was built around 1890 to 1910 located in central Pennsylvania. It is a double boarded house meaning that it has no framing at all, it is a unique type of construction that was used ...
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Drying concrete subfloor after water damage before installing laminate

We had a recent water leak that caused water to seep under our laminate floor. I pulled all the flooring up and removed the moisture barrier to reveal our concrete subfloor, which was moist. It was a ...
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Advice on moisture / efflorescence in concrete basement walls

I am finishing the basement in my 1926 house and planning to frame a proper wall against the concrete foundation - studs, insulation, moisture barrier, etc. The previous owners had painted over the ...
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Basement humidity 80-90% with unsealed concrete foundation, how can wood moisture be OK?

In summer our home in west Massachusetts has a humidity level of 80--90% for months, which according to what I read can be a serious problem. However, my pinless moisture meter measures the wood beams ...
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How to prevent vents from leaking?

It appears that in my house the cool air from the vents is causing moisture to condense around them and drip down the walls. Is there any way to prevent this? Also, is this in any way potentially ...
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Should I put furring strips behind a wooden shower ceiling?

I want to install T&G cedar in basement shower ceiling. The walls are durock and Redgard and will be tile. Should I durock and Regard the ceiling then put the planks directly onto the ceiling? Or ...
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Insulating behind tar paper?

I have a home built in 1959 in Southern California with stucco exterior. I’m removing the drywall to do a major renovation and bring my wiring up to code. I noticed there is no insulation and just ...
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1 vote
3 answers
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How do I cover exposed exposed wood under cracked stucco?

Let me set up some context: My house is at the bottom of a hill, so when it rains, the water flows down North, into my back yard, and pools on the North and South-facing sides of my house. Over time ...
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What's the best house wrap to use underneath hardiplank (fiber cement) sidings? [closed]

We live on a busy street near Midtown Atlanta and are currently having our home renovated. We're going to replace the wood sidings with HardiPlanks (fiber cement) sidings. What house wrap would be ...
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1 vote
1 answer
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Why is there moisture under some new wall plates in the basement?

I'm doing a basement finishing project. When I nailed down bottom plate(treated lumber) for framing, I see some moisture appears after a while, no visible water, right under some of the bottom plates. ...
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1 vote
1 answer
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Can I make a raised flowerbed against my siding?

I want to make a slightly raised flowerbed at the front of my house. The flowerbed would be about 9 inches high and made out of landscaping blocks for the front edge/wall. The issue is that it would ...
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How can I add more insulation to my finished attic walls without trapping moisture

I have a finished attic that has a kneewall insulated with fiberglass batts, insulation facing in. The batts fill the depth of the wall cavity completely to the end of the stud, there's no more room ...
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1 answer
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Too dry in my log home bedroom [closed]

My log cabin bedroom is very dry. I have tried a humidifier but it seems the wood is absorbing the moisture. Any ideas would be appreciated.
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Is this a water leak or condensation in the wall around my dryer vent?

I pulled my dryer out yesterday to clean the vent and tubing. When I moved the dryer I noticed what looked like a huge wet stain around the vent connection that leads to my attic. There appears to be ...
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3 answers
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Precautions for a subterranean level

Although our house build is still several years away, we’ve started making decisions about it. I live in a tropical climate and have always felt a subterranean level makes great sense in terms of ...
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-1 votes
1 answer
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Should I redo my house wrap that is under the sheathing?

When my house was built, the builder put the Tyvek wrap on the frame of the house, then installed the sheathing and then installed the siding. I am about to have my siding replaced and one of the ...
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0 votes
1 answer
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How to fix cracks in cellar room?

I have a question regarding the cellar floor of my 1950s house in germany. It has a concrete floor. In one room there are a lot of cracks in it. They are meters long, but only a few mm wide. When ...
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2 answers
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Water dripping from the ceiling over a humidifier

Humidity in my house right now 13%, which is normal during winter. I have cathedral ceilings with no attic. It is an older, very large, 100% wood house, log cabin style. I ran 1 gallon humidifier for ...
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1 vote
3 answers
325 views

Would insulating a basement wall with XPS and reflective insulation create a moisture problem?

I'm in Massachusetts (ICC 2015 w/ mods) and want to finish my basement walls. I'm thinking about using a combination of 2" XPS, 1x2s horizontal 24" OC, Reflectix (double reflective ...
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2 answers
59 views

adding more insulation on garage side of wall, and held in place with plastic sheeting has resulted in a moisture issue

I am closing the ceiling of my garage, and wanted to do a few things before that was completed. It's a 2 story house, and there is a shared wall between the house and the garage, on the second story. ...
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4 answers
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Will insulating attached garage walls create a moisture problem?

I live in Chicago and have 50 yrs old house that has attached garage. I found out that the walls in garage does not have insulation. I am planning to open the drywall, put batt insulation and drywall ...
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2 answers
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Replaced tile grout-soaking up moisture and comes out on my hand

I replaced the grout in my shower tiles the other day. I removed a good layer of the old grout and applied new grout on top. All looked fantastic for 48 hours until I used the shower. Now the grout ...
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2 votes
0 answers
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Upper Floor Window Condensation Issues - HRV?

We live in a 2 level home with basement in central washington. The winters average 20-36 degrees Fahrenheit with humidity levels of 70-99%. Summers are fairly warm to hot with lower RH. Our issue is ...
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3 answers
80 views

Non-spray WD-40 equivalent? [closed]

I spray WD-40 on metal parts in a high moisture area to prevent rust. But in one particular case, I don't want the oil getting on other things in a tight area, so I'm reluctant to use the spray. Is ...
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-2 votes
2 answers
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Bathroom Vanity wood getting damaged slowly

Anyway to stop this happening. I always use the fan when taking a shower still the top edge of the vanity wood is opening slowly. Anyway i can stop this and fix it ?
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3 votes
2 answers
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Wall damage from insufficient attic ventilation

The wall in my master bedroom, which is facing outside, has exposed brick and, for several years now the bricks have been showing signs of moisture damage. The symptom is white, frost-like substance ...
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How can I protect existing fence pickets/rails from raised garden/lawn soil rot

I have an existing fence which goes some way into the soil and we are cleaning and painting it then we plan on further raising the garden and lawn. What are the best ways to protect the partially ...
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Mildew around window retrofit inserts

Some of the windows in our house have mildew around the replacement window inserts (~18 years old). Mostly at the bottom. The original frames were aluminum, the inserts of course are PVC. The ...
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Surfactant bleed through

I have a bathroom in our 1930's house that doesn't have an exhaust fan...and two teenage boys who take ridiculously long steamy showers. We had some mold issues on the ceiling, and some of the ceiling ...
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1 answer
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Will showering with the fan on and bathroom door open prevent mold?

I have a room mate who loves to just sit in the shower tub with the shower raining over him. He sits in the shower for 2 hours or longer easily (not over exaggerated), just watching youtube videos. He'...
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