Questions tagged [crawlspace]
The crawlspace tag has no usage guidance.
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0answers
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How to tie interior crawlspace drain to outside discharge pipe?
I am installing an interior perimeter drain in a damp outbuilding crawl space. In the "literature" (YouTube) this kind of drain is commonly described but always with a pumped discharge (basin, pump, 1 ...
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25 views
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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1answer
36 views
Should I fill my crawlspace drainage trenches before putting down a moisture barrier?
I recently purchased a house by Lake Erie which has a crawlspace foundation. There are existing drainage trenches throughout it dug into the hard clay, which all drains to a sump pump. These trenches ...
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51 views
Can basement plumbing rough-in be moved to a new location in the crawl space?
Thanks for any help with these Plumbing 101 questions. Before talking with a pro about bathroom updates, I want a good grasp of what might be feasible.
This bathroom has water and drain coming up ...
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1answer
121 views
Leveling the sagging side of the home
I am buying a home and one part of the home is actually visibly sagging.
While looking at the crawlspace, I've noticed that some work was done to support the home.
It seems like there is no new ...
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0answers
53 views
Is CSST piping and water piping in an inaccessible crawl space against code?
The CSST line that feeds our upstairs dryer with gas, the water pipes for the washing machine and some electrical wires run through an inaccessible crawlspace in the basement. When I went to turn the ...
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1answer
92 views
What purpose does this PVC pipe in my crawlspace serve?
I was cleaning the crawlspace under the house
and discovered two 3/4 inch white PVC pipes
that run across the crawlspace buried under
ground (4-8 inch deep) and terminate at the
perimeter foundation ...
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0answers
31 views
Do I need to vent a crawlspace?
We just completed a 20x20 great room addition on the side of our house with a 4 foot crawl space and poured concrete floor. There is a 4’ by 4’ cut through to access this crawl space from the existing ...
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1answer
32 views
Installing Vapour Barrier in Crawlspace with Water Heater
I'm installing a vapour barrier over the dirt floor in my crawlspace. There is a water heater already installed and I'm wondering if it's a good idea to tape the vapour barrier directly to the bottom ...
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3answers
63 views
What type of crawlspace setup do I have?
New home owner here - I’m working on sealing the furnace ducts that run through our crawlspace. Previous owner used silver duct tape and not the proper mastic or UL approves aluminum tape. Long story ...
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vote
1answer
133 views
Crawlspace Insulation Upside Down Replacement
I have an upcoming project and would appreciate any input. My crawlspace in Maryland had insulation installed upside down (face paper towards ground) and is now rotted/mildewed/falling from the ...
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2answers
80 views
Powering Subpanel from CSED via Feed-Through Lugs
I'm wiring my house and would like some feedback on the sizing and routing of conductors between the exterior service entrance and an interior subpanel. On the outside, I have installed a combination ...
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1answer
184 views
Black gas pipe in unconditioned crawlspace?
My GC used black cast iron gas pipe to connect from the PGE riser to the interior of the house. He wrapped the pipe from the riser, down into the ground, and up 10" above the ground where the pipe ...
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1answer
90 views
Are these studs supporting the stairs?
Planning on building a cupboard under the stairs i was going to leave this section but the plasterboard was damp (Prob from cats water bowl spilling or something). So i thought i may as well make use ...
3
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1answer
51 views
Remove Foundation Concrete Block
We are having HVAC ductwork installed in our crawlspace and one of the companies mentioned they do not remove foundation concrete blocks due to liability. Unfortunately, for us to have registers in ...
3
votes
1answer
89 views
Exceptions for support when fishing crawlspace wiring
After having cut a hole in the wall to peek into the crawlspace, it seem rather feasible to relocate our 3-prong dryer receptacle to a new location by running new 4-wire cable all the way back to the ...
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1answer
439 views
Tree stump in crawlspace surrounded by boards and covered in concrete?
I had a home inspection done today and the inspector told me this was a first:
In the crawlspace there was a large box filled with concrete. It looks like this:
Image source
The builder was there ...
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0answers
300 views
Wires run through foundation vent screen
I need to replace the foundation vents in the house I recently bought. Unfortunately, AT&T, Time Warner, and others have run wires through one of the screens.
I can't easily detach the wires to ...
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2answers
116 views
In a crawl space how do i secure electric cables?
In a crawl space, can I staple the electric 12/2 cable to the floor joist?
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0answers
94 views
Sealing Off Gravity Pipe from Crawl Space
I currently have a 6" clay pipe for eliminating water from my crawlspace. The pipe exits my crawlspace about a foot from a corner wall, travels 15', and opens to air in a ditch (for now). It is ...
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0answers
31 views
How do do sump pump installation with trenching
Given the estimates i have been provided, I am going to try to do it myself. Here is what i came up with as the step by step method
Dig a trench (4”x6”) along foundation.
Dig a 24” sump pit for ...
5
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1answer
1k views
How far from the foundation and how deep should a French drain be?
My wife and I bought a house recently but sadley the rainy season has come and I noticed a bad smell coming from the crawlspace I went under neath and found standing water about a inch deep running ...
2
votes
1answer
133 views
Ideas for covering vents to stop pests getting in?
We have a crawl space under our house and the wire mesh covering the vents is shredded. I want to keep the animals out and would like some ideas on the best way to do it.
I was planning to replace ...
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2answers
68 views
advice on sealing crawlspace vents to outside air
My house was built in 1950, and in my crawlspace, I have vents covered with mesh wire that circulate air to the outside.
I've been reading online that its now best practice to seal the vents in the ...
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votes
2answers
3k views
Does wire run in conduit in a crawl space need to be rated for moisture?
Quick question for all the electricians out there. I'm in the states and looking to make a couple new electrical runs for the outside of my house.
The runs will be done inside my crawl space inside ...
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votes
2answers
245 views
Efflorescence in crawl space
My house has a daylight basement along with some areas that is finished crawl space. Basically instead of dirt there is slab in the crawl space. I bought the house a few months ago and the crawl space ...
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1answer
78 views
dig out and finish my crawl space into a basement
I have a house with a continuous concrete stem wall, and a sill plate seismically bolted to the foundation. It's on a hillside, and the north (downslope) is post and pier (not continuous). There are ...
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1answer
735 views
Bathroom exhaust vent into crawlspace
It is acceptable to vent a bathroom exhaust fan into a crawlspace?
The crawlspace in question is uninsulated, has a dirt floor, and varies in height between 5' and 7'.
The vent would enter roughly in ...
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1answer
64 views
Crawl space insulation
I have an older home with a cement floor crawl space. It is a cold air space and I would like to insulate and heat the area going forward. The cement floor is in good condition and is mostly covered ...
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0answers
93 views
Retrofit Foundation Posts/Beams
Bought a new (old) place and our inspector pointed out beams/posts that need framing/structural straps in the crawlspace. Ballpark estimate I got from a foundation contractor (site unseen) was a $3,...
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vote
1answer
89 views
Necessary to insulate the ceiling of a conditioned crawlspace
I have a new home that does not have insulation in the crawlspace ceilings (the floors throughout the home are above the crawlspace). Is it necessary to insulate the ceiling to prevent heat loss in ...
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votes
2answers
458 views
Vapor barrier above a frequently wet crawlspace?
How can I create a vapor barrier between my home and its crawlspace which frequently has standing rain water that must evaporate and drain? Some first floor rooms have smelled damp for years. I am ...
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vote
0answers
88 views
How do I support a deck-style floor in crawlspace?
This question is kind of a follow-up to the one asked here: how-should-i-add-flooring-in-my-crawl-space. My crawlspace is exactly as the one described.
Basically my house is on a slope and have a ...
2
votes
1answer
337 views
Furnace cold air return serving up crawlspace air
My house has a partial basement and a crawlspace. The forced air furnace is in the basement, and ducts run through the crawlspace to distribute air to the house. In the summer, when we don't use the ...
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votes
1answer
117 views
How good of a vapor barrier is OSB in a dirt crawlspace?
Some background -
I bought my current house in the middle of a drought in 2007, and knew nothing of vapor barriers.
The house has a nice, albeit uneven crawlspace, that is walkable for about half ...
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0answers
462 views
Repair/replace foundation vents in wooden siding?
The vents into my crawlspace are cut into the wooden siding and I'm not what the correct way to repair/replace them is. All of the examples and products I've seen show the vents in the concrete wall ...
3
votes
1answer
470 views
How to eliminate odor from crawl space
I'm trying to eliminate damp odor originating from a crawl space.
Here's the situation:
Half of the house has a basement. The other half is a crawl space accessible from the basement through an ...
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1answer
243 views
Sealing crawl space vents in Pacific Northwest?
I just had a perimeter drain and sump pump installed in our crawlspace because it flooded frequently and severely during the rainy seasons. Before, I was under the impression that leaving the ...
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1answer
230 views
Installing door on crawlspace access
I'd like to install a door on the crawlspace entrance in our basement.
One problem I'm running into is the radon remediation pipe is bracketed to one of the walls.
Any ideas on how to frame this out?
...
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votes
1answer
573 views
Moving access to crawl space
I have a small crawl space (8' wide) under the porch of my 1920s home. The door (2' wide) is currently near/next to the house. We would like to move the door to be away from the house so we can put an ...
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1answer
703 views
Dry out some wet dirt in crawl space
We had a leak in a bathroom. Some of the water got under the house. Soaked up roughly 5 gallons of water from on top of the plastic sheeting as well as under it. Now we have wet dirt, moist plastic ...
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vote
1answer
615 views
Moisture on crawlspace dirt/clay floor
Our house has a damp/musty smell to it when you first enter. Once you open a window/door the smell usually dissipates. In May (Chicago-land) the humidity in the house is about 30% upstairs and 40% in ...
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votes
1answer
184 views
What is this rocky area in my crawl space wall?
We see a water line coming down from a strange, rocky section in our crawl space wall. I will dig down to the foundation outside the house and repair/fill any cracks externally, but am wondering: why ...
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1answer
559 views
Pouring concrete for an under porch crawl space
There is a crawl space under my uncovered front porch. The walls seems to be a mixture of cinder block and brick. The crawlspace "ceiling" is a cement slab and the floor is dirt. The floor right now ...
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1answer
520 views
Unfinished basement is open to vented crawlspace, what should we do to finish?
We're looking at the potential to finish our basement out, but I'm not sure what all needs to be done with our setup first. Basically, we have a basement under half of our house, the other half is a ...
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3answers
110 views
Sump pump size and reliabilty for crawlspace
Still trying to sort out the different advice from crawlspace drainage vendors. The least expensive fellow insists a single 1/3 HP pump pumps out plenty of volume, and that only a single pump is ...
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1answer
131 views
Is a conventional interior drain tile system likely to silt up over time?
Three companies have proposed the same solution, more or less, to address pretty bad flooding in our crawlspace: Dig a trench around the interior perimeter and install a perforated pipe that leads to ...
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0answers
45 views
What are some ways of controlling moisture in the crawlspace?
I live in Los Angeles. I have a vented crawlspace. The vents are about 6" x 15" or so. I have about one every 6' or so along the walls of the house. The floor of the crawlspace is dirt.
I ...
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votes
1answer
521 views
How can I prevent interior French Drain from further eroding soil under garage slab?
I have a home with a block wall foundation and adjacent garage (built on a slab) on the left side facing the house. The house sits on a grade with right side to left side drop of 3/4" to 1" per foot. ...
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1answer
55 views
Adjustable steel column is raised too high - can I lower it? [closed]
Refer to image: The red beam you see overhead in the picture (which runs perpendicular to the other beam) is directly underneath a hump which runs from the bathroom, into the hallway, and into the ...
