Questions tagged [moisture]

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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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35 views

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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0answers
32 views

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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28 views

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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33 views

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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23 views

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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1answer
43 views

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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1answer
43 views

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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3answers
56 views

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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1answer
45 views

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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1answer
94 views

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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1answer
79 views

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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1answer
60 views

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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1answer
69 views

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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171 views

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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3answers
87 views

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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1answer
102 views

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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1answer
36 views

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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1answer
73 views

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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0answers
34 views

What should be considered when updating wall assembly in only one section of a wall?

Background: We live in a 1920s two-story foursquare home in New England. The house has painted wood shakes/shingles siding on the second story, and wood clapboard siding on the first story. We will ...
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3answers
152 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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2answers
27 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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4answers
197 views

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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2answers
130 views

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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0answers
29 views

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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3answers
59 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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2answers
49 views

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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2answers
157 views

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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1answer
176 views

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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0answers
14 views

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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2answers
69 views

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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1answer
205 views

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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1answer
70 views

Condensation between chair mat and rug in basement: a concern?

We have a 1960 two story colonial with a finished basement in New England. The basement floor is wall-to-wall rug, on a rug pad, on old vinyl tiles, and then a concrete slab; I assume there's no ...
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2answers
653 views

Should I put a vapor barrier under metal framing in a basement?

I will be framing out my basement with steel so the bottom track will be on the concrete slab. Is it required to put some sort of vapor barrier between the slab and the track? I couldn't find anything ...
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2answers
688 views

Unfinished basement - options for exposed concrete wall in finished room

We're purchasing a home with a large, unfinished basement having a poured concrete foundation and walls. This home is in Minnesota, so there's a seasonal consideration with temperature and moisture. ...
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2answers
217 views

Vapor barrier on heated entertainment shed

i am building an 8x10 entertainment shed with a loft for kids to hang out and have sleepovers in, i will be heating it. I have tyvek and t1-11 it is on 4x4 skids on top of the Concrete patio and has 3/...
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1answer
265 views

How to prevent mold in ceiling below upstairs bathroom

TLDR; Had previous mold issues in kitchen ceiling due to frequent leaks from upstairs bathroom. Source of leaks resolved to the best of our ability, but long term permanent fix probably some years out....
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1answer
105 views

garage walls wet

HI, I am purchasing a home and noticed some spots in the garage walls? Not sure if its moisture or a leak since its on the same place on both sides. Any advise will be greatly appreciated.
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1answer
625 views

Why are my outlet and switch plates bowing away from the wall?

The home is new construction on the beach front in Galveston. The wall is 12' high by 52' long. From the outside in, it is Hardie lap siding, house wrap, 5/8 plywood, 3" closed cell foam, 5/8&...
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3answers
67 views

Mold growth in home

My home is a mold catastrophe. My fiancé was sick for a year and we got an air quality test and it tested the highest level. I started ripping the house apart and found that there was mold in three ...
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0answers
62 views

Do I need to let my basement subfloor breathe?

I live in a mostly cold environment and I’m planning to finish my basement floor with standard interlocking foam tiles (with a slight rigid texture) for underlayment (soft/insulated) topped with roll-...
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1answer
209 views

How to paint a small bathroom with very poor ventilation?

Amateur here, just trying to do his best. How to paint a small bathroom with very poor ventilation? I imagine I'd want a paint that seals the paint behind it (which has been prone to a little mold), ...
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1answer
122 views

Should feather-edge lap siding be installed directly on sheathing or on furring strips?

I'm building a shed this summer. The plan is to use a stud frame construction. Cover it in 12mm OSB3 and a breather membrane to keep the interior dry and use feather edge as the cladding. The thing I ...
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0answers
36 views

Replacing moldy drywall

We recently purchased a lake house and found moldy framing and drywall. The removed drywall had a black backing on it, similar to felt paper. This part of the wall is sub-grade with wood (gc 2x6’s) ...
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1answer
41 views

Who to contact to identify source of and address excessive humidity in house?

My house, a 1947 cape in Massachusetts, is always much more humid that outside, in all seasons. Even when running the dehumidifier, one in the basement, and one on each of the two main levels, it ...
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4answers
203 views

Store Refrigerator, Keeps Doors Open How Often

I plan to store refrigerator in my residence unplugged. I cleaned it well with all soap, 409 and disinfectant, and left doors open to dry out for few days. They recommend to keep Doors Open for long ...
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3answers
1k views

Why do unused Refrigerator Appliances Grow Mold, while unused Cabinets and electronics don't?

I have a refrigerator that I thoroughly cleaned out and washed with soap/baking soda, and let thoroughly dry. They always recommend to keep Doors Open for long term refrigerator storage. This prevents ...
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2answers
62 views

Ceiling fan/light in bathroom shortcuts when humid

I have a ceiling fan/light combo in my bathroom ceiling. It's hooked up with those white connectors you see on this picture: When someone takes long showers, especially at night when the temperature ...
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2answers
280 views

Rigid board installed after framing in Interior Basement Walls - Should I be concerned about trapped moisture?

I am helping my brother-in-law finish his basement. I noticed the framing was done first then the insulation was added after. It looks like rigid foam board was pressed up against the concrete wall ...
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5answers
4k views

Will it cause problems to shower without the exhaust fan and only turn it on afterwards?

If the exhaust fan was not turned on until after the shower is complete (say, 30 min. after the water is first turned on), is that enough to cause mold/mildew/paint issues? The mirror is foggy during ...

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