Questions tagged [crawlspace]
The crawlspace tag has no usage guidance.
278
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2
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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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1
answer
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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 ...
0
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1
answer
411
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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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1
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1k
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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
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1
answer
151
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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 ...
7
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1
answer
1k
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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 ...
1
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0
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2k
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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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2
answers
323
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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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215
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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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0
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862
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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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1
answer
9k
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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
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1
answer
2k
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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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2
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152
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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 ...
5
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2
answers
11k
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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 ...
0
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2
answers
554
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 ...
0
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1
answer
215
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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 ...
1
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1
answer
3k
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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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1
answer
152
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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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0
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154
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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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1
answer
128
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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 ...
2
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2
answers
1k
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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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0
answers
872
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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
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1
answer
831
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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 ...
2
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1
answer
752
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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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2
answers
3k
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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
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1
answer
1k
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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 ...
1
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1
answer
840
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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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1
answer
830
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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?
...
0
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1
answer
2k
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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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1
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1k
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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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1
answer
1k
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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 ...
3
votes
1
answer
525
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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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1
answer
2k
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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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1
answer
2k
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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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3
answers
167
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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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1
answer
345
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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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0
answers
63
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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 ...
3
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1
answer
1k
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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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1
answer
103
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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 ...
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3
answers
3k
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Properly Attach Cabling To Joists
I am running cabling through my crawlspace roughly 40 feet. I have the holes drilled, and am leaving about 25 feet extra looped off for contingency. I am planning to attach the cabling to the joists ...
2
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2
answers
2k
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Does Age of Home need to be considered when encapsulating crawl space?
I have had my crawl space encapsulated. It has made a big difference in the air quality inside the home (80 years old). However, I am now seeing cracks throughout my home in the walls closer to the ...
3
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2
answers
760
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Stackable washer/dryer covering crawlspace access point
Background
1940s home has a stackable washer/dryer combo unit installed over the crawl space access door. I want to replace the unit with a new combo such that:
The crawl space door is readily ...
2
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3
answers
7k
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Inaccessible crawl space
I'm in the process of buying a home. I had it inspected by a home inspector and a termite guy. They found that the part of the crawl space under the kitchen was too low to the ground to access. They ...
0
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0
answers
860
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DIY Crawl Space Drainage and Encapsulation
Our house is in western Washington and during the winter we get a lot water in the crawl space. I'd like to tackle installing a drainage system – probably with a sump pump – and then encapsulate the ...
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2
answers
1k
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Do outside faucets need to be winterized in a home with a conditioned crawlspace?
Pretty simple question, but conditioned crawlspaces seem new enough that I couldn't find anything about it on Google. Does the warmth from the crawlspace make winterizing the faucets unnecessary?
...
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337
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Can I use the 6x6 beam in our crawlspace as a "running board" for electric cable?
A portion of our house sits on unfinished 36" crawl space. I need to run some electrical cable (NM/Romex, 14/2) through the middle of the crawl space, perpendicular to the joists. I could drill holes ...
0
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2
answers
185
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should I catch mice first before fix a broken crawlspace vent cover?
Find one mesh of the crawlspace vent cover is broken. Also, home inspection found some clue of rodent.
I guess if I just fix the vent cover, the mice could die in the crawlspace. And before they die,...
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0
answers
52
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why the crawlspace vent is closed?
I just move to a home and noticed the previous owner closed quite a few crawlspace vent. It seems to be intentional. I am wondering why he choose to close most of the vents and leave some of them ...
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2
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561
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Construction defect in basement slab under stairs in crawl space-how do I fix this issue
"The winter is coming" , so I started bringing in the items that are not supposed to stay outside during the cold season. Today I removed some materials that where sitting in the crawl space under the ...
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1k
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Crawlspace vent to garage usage?
I'm aware that my exterior crawlspace vents are to be opened when it goes over 70F outside and closed when it goes below 40F. However, what's the protocol for the crawlspace vent that goes into the ...