Questions tagged [crawlspace]

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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 ...
Brett S.'s user avatar
0 votes
1 answer
1k 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 ...
CoinToss1010's user avatar
0 votes
1 answer
411 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 ...
Lynda Warbis's user avatar
3 votes
1 answer
1k 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 ...
wharkins3's user avatar
3 votes
1 answer
151 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 ...
April's user avatar
  • 31
7 votes
1 answer
1k 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 ...
JoshGough's user avatar
  • 171
1 vote
0 answers
2k 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 ...
Tim Hopper's user avatar
1 vote
2 answers
323 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?
Travis's user avatar
  • 11
1 vote
0 answers
215 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 ...
NoClue's user avatar
  • 21
0 votes
0 answers
862 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 ...
Sunit's user avatar
  • 11
5 votes
1 answer
9k 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 ...
Troy K's user avatar
  • 51
2 votes
1 answer
2k 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 ...
user3665624's user avatar
0 votes
2 answers
152 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 ...
Geremy's user avatar
  • 103
5 votes
2 answers
11k 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 ...
hcker2000's user avatar
  • 151
0 votes
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 ...
user70309's user avatar
0 votes
1 answer
215 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 ...
Eric's user avatar
  • 227
1 vote
1 answer
3k 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 ...
brhans's user avatar
  • 6,832
0 votes
1 answer
152 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 ...
Brian D.'s user avatar
1 vote
0 answers
154 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,...
Matt Beckman's user avatar
1 vote
1 answer
128 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 ...
May Dawn's user avatar
2 votes
2 answers
1k 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 ...
FireFox31's user avatar
1 vote
0 answers
872 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 ...
Jason's user avatar
  • 11
2 votes
1 answer
831 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 ...
ljp's user avatar
  • 23
2 votes
1 answer
752 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 ...
Steve French's user avatar
1 vote
2 answers
3k 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 ...
Ecyrb's user avatar
  • 113
3 votes
1 answer
1k 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 ...
fixer1234's user avatar
  • 6,108
1 vote
1 answer
840 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 ...
Steve's user avatar
  • 71
1 vote
1 answer
830 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? ...
Justin Foley's user avatar
0 votes
1 answer
2k 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 ...
StrongBad's user avatar
  • 693
0 votes
1 answer
1k 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 ...
rthwndfr's user avatar
  • 113
1 vote
1 answer
1k 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 ...
Jay's user avatar
  • 11
3 votes
1 answer
525 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 ...
jay's user avatar
  • 31
0 votes
1 answer
2k 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 ...
StrongBad's user avatar
  • 693
1 vote
1 answer
2k 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 ...
TFK's user avatar
  • 3,714
0 votes
3 answers
167 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 ...
Steve's user avatar
  • 71
1 vote
1 answer
345 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 ...
Steve's user avatar
  • 71
1 vote
0 answers
63 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 ...
milesmeow's user avatar
  • 5,020
3 votes
1 answer
1k 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. ...
B. P. 's user avatar
  • 31
0 votes
1 answer
103 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 ...
Sam's user avatar
  • 1
3 votes
3 answers
3k views

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 ...
StarsFlyFree FromCozyNights's user avatar
2 votes
2 answers
2k views

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 ...
Robin's user avatar
  • 37
3 votes
2 answers
760 views

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 ...
Dave Jarvis's user avatar
2 votes
3 answers
7k views

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 ...
Kevin's user avatar
  • 123
0 votes
0 answers
860 views

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 ...
dlu's user avatar
  • 508
1 vote
2 answers
1k views

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? ...
Matt Chambers's user avatar
0 votes
1 answer
337 views

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 ...
PhilPDX's user avatar
  • 399
0 votes
2 answers
185 views

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,...
XWLI's user avatar
  • 61
0 votes
0 answers
52 views

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 ...
XWLI's user avatar
  • 61
0 votes
2 answers
561 views

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 ...
MiniMe's user avatar
  • 3,402
1 vote
0 answers
1k views

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 ...
Brian Knoblauch's user avatar