Questions tagged [crawlspace]

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2answers
825 views

Running cable through vapor barrier

I have a manufactured home (2001 vintage) sitting on a crawlspace. (I.e. it has mortared cinderblocks around it rather than skirting.) The home has a vapor barrier attached to the underside between it ...
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1answer
194 views

What could cause a “smelly sock” smell seeping into our living room from the crawlspace? [closed]

Our living room floor is wooden so there is a gap between the footings and the floor. In late fall, we get a horrible smell in that room. It smells like smelly socks but worse. I thought it was ...
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2answers
953 views

How to seal HVAC ducts running through old window to addition?

My house has a small addition that was added by the previous owners. They ran the HVAC ducts through an old window and some of the block: The rectangular section in the window should be easy enough ...
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0answers
62 views

Proper method to seal a heated crawl space

I have a heated crawlspace with a dirt floor. There are no vents, it is fully connected to the house, and currently has a pool liner and vapour barrier stretched over it, but it is not sealed. There ...
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1answer
4k views

Want to build a trap door in the guest bedroom for easier furnace access

I own an 80 year old house. The furnace is located about 40 feet from the crawl space access through some very tight fits. Changing the filter is a very uncomfortable 30 minutes. What do I have to ...
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2answers
11k views

What is the downside to installing faced fiberglass insulation in a dirt floor crawlspace vs non-faced?

I have a vapor barrier on the dirt floor already. The insulation will go in the floor joists above, paper side down.
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1answer
641 views

What are my options to fix cold and drafty floors over a vented crawl space?

I have a 1950s bungalow that sits on a crawl space. The crawl space is vented and has moisture problems (which I should/will fix, but that's not the main point of this question). R19 insulation is ...
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0answers
203 views

Super-Insulating a Crawlspace

I am getting ready to have a contractor insulate my crawlspace. The exterior facing walls of my crawlspace are about 2" above grade, with the remaining 2 ft 6 in - 2 ft 10 in below grade. One of the ...
2
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1answer
350 views

Can I have two storeys in a 16 foot space?

I'm in the process of closing on a house that has an unusually large crawlspace underneath the structure. The house is built on a relatively steep hillside and the frame of the house extends to the ...
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1answer
266 views

Moving dirt in crawlspace in house with daylight basement?

Our house has a walk out basement (daylight basement). In the basement, there is one corner of the house, approximately 312 sqft that has an access door. Inside of that, there is a level portion of ...
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0answers
294 views

How do I cleanly install speaker wire in a mobile home?

I have a decent amount of experience with all sorts of wiring in houses and offices. However all of my experience relates to buildings which have attics or dropped ceilings. I now am installing ...
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0answers
828 views

Minor Crawlspace Excavation: Need permits/structural engineer?

Background: First house, built in the late 60s, bought in October 2014. Original house has crawlspace with combination cinder/concrete foundation. Master bedroom is an addition to the house with a ...
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1answer
62 views

How should holes in a crawlspace liner be fixed?

I had a company encapsulate my crawlspace with 20 mil liner. The liner installed has 3 dime size holes as well as a 4-5 inch gash they covered with tape. They now would like to cover the holes with ...
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1answer
679 views

How do I repair my Crawlspace Door?

I have a crawl-space door that is starting to look rather beat-up. I would rather repair the door rather then replace it as it has thick foam insulation on the other side. What can I do to fix the ...
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1answer
1k views

Is it normal to notice underneath the plastic barrier in crawlspace drops of water?

A radon barrier was placed using 6mil polyethylene sheets and sealed with silicon in at the seams. However, I do notice in certain spots a couple of drops of water underneath the sheet. Is this okay? ...
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1answer
286 views

How to eliminate water in crawlspace

I would like to install 4" perforated drain pipe along the footer on the inside of a crawlspace. The bottom of the footer is at the height of the existing crawlspace floor. Should I lay the pipe along ...
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4answers
2k views

What could be the source of dirt in attic

I've had occasion to get up in the attic of my (new, to me) house recently. There is what appears to be dirt all over everything up there, with actual accumulation in places. This is a 2-story ...
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0answers
912 views

How should I seal and insulate a crawlspace to mitigate radon and allow for storage in the space?

Background: I recently bought a house built in 1996. It has a 1480sq ft (approx) living area, which is the same as the crawl space size. The location is in the Kansas City metro area. The yard is ...
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1answer
772 views

Can I use a vapor barrier paint instead of polyethylene sheets to encapsulate my crawlspace?

I was looking into "encapsulating" my crawlspace by some manner or other. From what I can tell the way to do this involves (primary) some thick poly (.15 or more) along the the soil and up the walls....
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1answer
713 views

Properly insulating crawl space

Currently my crawl space has no insulation. The previous owner put gravel on the ground. I was told by my home inspector that I would save some money on energy costs. However, I'm not sure what's ...
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1answer
189 views

Can I cover the vent leading to my crawlspace?

I am renting a house that has no central air, instead we have to use window units. There is evidence that the house used to have a gas heater, and there is a 2 foot by 3 foot hole in the floor leading ...
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0answers
232 views

How can I insulate a combo basement/crawspace?

I live in Louisville, Kentucky, so we have relatively cold winters (nighttime lows consistently below freezing) and relatively hot, humid summers (daytime highs consistently in the muggy 90s). My ...
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2answers
3k views

How can I strengthen the floor above a crawl space in pier and beam construction?

what are the steps to strengthen pier and beam (sometimes called post and beam) foundation? i will be installing a 3-5 ton Rocket heated cob bench mass heater in a rambler home in the living room ...
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1answer
127 views

Dealing with inaccessible carcass under pier and beam house

We recently had 3 days of rain which were accompanied by a terrible odor. After confirming that it wasn't a sewage problem, I've determined that something took advantage of my recent siding work to ...
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2answers
2k views

Do I need to install a sump pump?

The crawlspace under our house has a tendency to get a bit muddy when the rains are heavy and then dry up a few days later. When the rains are especially hard water will collect in a pit in the ...
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1answer
2k views

What are the downsides to paving a dirt crawlspace with cement?

I've got a home with a dirt crawlspace -- post and beam holding up the house, with the piers for the posts in the crawlspace of course. I had someone come look at it recently to clean it up -- I've ...
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4answers
4k views

Found hole with water under house

Today, while in the crawl space under the house, I found a large hole that has water in it. Now I'm trying to figure out what to do about it. I had noticed a depressed area under the house in the ...
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1answer
759 views

Home made powered foundation vents? Computer fans and solar power?

So I have a bit of a moisture issue in my crawl space. I've considered closing up the crawl space completely but I think that sounds like to much work and this idea below sounds more fun. I was going ...
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3answers
8k views

Renovating Crawlspace with Poured Concrete Floor

My newly-purchased 1950s home has a below-grade crawlspace with a poorly-poured concrete floor. Specifically, it is very coarse and looks like it was poured and spread with a garden rake. In some ...
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1answer
1k views

Crawlspace Vapor Barrier Overkill?

I am about to install a vapor barrier in my damp Atlanta, Georgia area rental home. I plan to seal it about 3 feet up the poured concrete walls and overlap and seal all seams essentially creating an ...
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2answers
549 views

Crawl Space Encapsulation Question

I live in Georgia (around the Atlanta area) and recently discovered mold in the crawl space of my home (I plan to have the mold professionally removed). My crawl space is about 30' by 15' (4' to 15' ...
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2answers
3k views

Is Flex Duct Safe To Use In A Crawl Space?

The home I purchased has a crawlspace below an addition that was put on to the original structure. The HVAC contractor that did the work ran 2 long runs of flex-duct to the 2 registers in the room of ...
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1answer
2k views

What are my options for a fire rated door for a 32“ x 36” rough opening?

The original floor plan of our split level home had the crawl space door in the garage. The previous owners converted half of the garage to a laundry room and put up wainscoting and a matching wood ...
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6answers
40k views

Should I encapsulate my crawl space?

Our home was built with a dirt crawl space that is about 2' from ground to bottom of floor joist. The floors are insulated with fiberglass held up (where it hasn't fallen down) with wire rods. The AC/...
4
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2answers
4k views

Is it okay to put a heat pump water heater in a crawl space?

I have a pretty large crawl space. It is 80 inches wide and around 7 feet high. I am looking to replace the 50 gallon electric water heater with the new Geo Spring Water heater by GE This unit is wide ...
5
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1answer
3k views

How do I cut a new crawlspace access in a brick foundation?

When my house was built, the crawlspace access was put on the high side of the property, which I'm sure gave the subcontractors the easiest access for HVAC, wiring, etc. But there is very little ...
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3answers
2k views

How to choose floor insulation?

My question is about insulating the ground floor. I have a crawlspace under the floor which is vented and therefore quite cold (average temp in the winter is 4 °C and in the summer 13 °C plus ...
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6answers
16k views

What protection is needed to access the crawlspace under the house?

We have a crawlspace about 2 feet tall under the house. (Scary!) Looks like it has a black plastic barrier on the ground (which I believe is just dirt). How should one dress to crawl under there, and ...
6
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4answers
9k views

How do I insulate the ceiling in my crawlspace?

I'm desperately looking for some advice on how to properly insulate the crawl space. I live in eastern Massachusetts where it has recently been in the teens and 20s for low temps in winter. I have a ...
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2answers
2k views

What type of enclosure should I use to mount a small network switch in a crawl space?

I have a small Ethernet switch that I'd like to mount in the entrance corner of my crawl space, where there's plenty of room to stand and electricity. I'm having a hard time finding one, though. Can ...
5
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2answers
5k views

What can I do in this vented crawlspace to keep the room above warmer?

I've recently moved to a new home. This home had an addition that was built on top of a Crawlspace that is vented to the outside. Needless to say, the morning after the first cold night made me ...
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0answers
1k views

Should I spread lime in my crawlspace before laying moisture barrier?

The crawlspace is currently just earth. I'm going to be raking it, laying moisture barrier and then taping to seal. Should I spread lime onto the earth before laying the barrier?
14
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1answer
4k views

What are the disadvantages of having electrical conduit penetrate my foundation below-grade?

I'm having an electrician wire a lamppost in the backyard. His initial proposal was to do something like this picture shows: (The diagram is from this article.) The conduit's rise from the ground and ...
6
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3answers
11k views

How can I get rid of fleas in my crawlspace forever?

I have lived in my house since 2007. I have a large crawlspace (dirt floor, ranging in height) where I have a nice woodworking shop. In 2011 the shop became infested with fleas, but not the ...
5
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1answer
309 views

Was coal ever used as an insulator?

In pulling off some broken mortar on the dirt foundation (where the actual brick footers rest) of a 1920's house crawl space, I discovered a layer of black coal just under the mortar. There are ...
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2answers
309 views

Should I periodically air out the vapor barrier in my crawlspace?

I have a vapor barrier in my crawlspace which is made of multiple sheets of 6-mil plastic. One contractor suggested that in the dry months I should pull back the sheets of plastic and allow the dirt ...
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3answers
230 views

What is the difference between mold in air duct and mold that grows in crawl space?

Specifically, are they both dangerous to human health?
2
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1answer
196 views

How do I fix my crawlspace's mould problem given the floor is an improperly poured slab of concrete?

I have a 50 year old backsplit, with a minor mould problem in the crawlspace. There are a couple of wet spots that can be fixed with simple exterior grade changes, and one spot that will need to be ...
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1answer
1k views

Is blown-in insulation appropriate for on the foundation block in a crawlspace?

Our home has blown-in insulation on the foundation block in the crawlspace. I've never seen this before. The other homes in the area I've seen had foam board glued to the wall. There doesn't appear ...
2
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0answers
236 views

How do I remove mold and mildew from subfloor of a house with crawl space? [duplicate]

Possible Duplicate: Mold remediation in crawlspace House with crawl space has mold and mildew on the sub-floor. I've determined the cause is no vapor barrier and a leaky pipe and there is no ...