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1
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1answer
43 views

Adding more floor joists in a crawlspace. Originals are 5' OC and need more support

I just bought a 1956 ranch house in Portland, OR and am facing an issue. I've gutted the bathroom for a remodel and it's down to the studs. There was a bit of water damage to the subfloor around the ...
6
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3answers
3k 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 ...
6
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1answer
2k views

Insulating ducts in a crawlspace

Consider a source duct from the furnace/AC. The ducts run in a vented crawlspace. The floors atop the crawlspace are a mix of hardwood and kitchen vinyl. The symptoms are: the longer run vents ...
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2answers
68 views

Replacing a crawl space with concrete slab

I have a 1970 rental house that is prone to flooding the crawlspace approximately 1 week a year. To clarify, the whole section of land, yard, and streets are under a foot or more of water, due to ...
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2answers
62 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 ...
2
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0answers
316 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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0answers
26 views

Can dryer venting into crawl space cause excessive moisture?

During the past year we have noticed some mold in bathroom and in bedroom closet. The bathroom is not vented so we feel this is the issue in bathroom. The closet mold has us puzzled. Inspecting ...
0
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1answer
66 views

What's the best way to insulate a floor over a crawl space?

I have a crawl space that is roughly 50 square feet in space. The previous home owners installed a piece of plastic sheeting on the crawl space dirt floor. The floor above the crawl space is extremely ...
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0answers
34 views

How do you keep an LVL girder from rolling?

Quick background: I need to install a new main girder in the crawlspace under my house. The existing girder is of the homemade nailed-together 2x10 variety, and is beginning to twist, delaminate, and ...
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0answers
22 views

What type of insulation should I use for varying joist spans of 3-4ft?

I live in the #3 region in California, and am wondering what the most cost effective and functional DIY method for installing insulation under my floors. I have kneeling room crawl space under my ...
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2answers
332 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
55 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
124 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 ...
5
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4answers
2k 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 ...
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0answers
26 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 ...
0
votes
1answer
372 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 ...
2
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1answer
152 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
83 views

Faced or unfaced insulation in floor above unconditioned crawlspace?

I'm insulating my floor. I live in a dry climate with cold winters and R-30 is recommended. I am insulating from below so cannot staple the facing paper. What is typical for this application? ...
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6answers
23k 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 ...
10
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2answers
4k views

Mold remediation in crawlspace

Just bought a 25 year old home that has improperly installed insulation in the crawlspace. The insulation is fiberglass rolls with a paper backing, and is installed with the paper facing down, toward ...
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0answers
78 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 ...
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1answer
87 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 ...
0
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1answer
122 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
83 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 ...
5
votes
1answer
328 views

Sump with no pump!

A rainy month and water in the crawlspace: It's was an unusually wet April where I live. I went into my crawlspace last week to change the filter on the A/C and found water. The crawlspace is ...
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0answers
71 views

Suggestions/advice on vapor barrier product to use?

In the basement of my house (built in 1900) in NE Ohio...Half of the basement floor is finished, the other half is dirt floor covered by a few inches of crushed stone gravel. I had a mold issue, so ...
0
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1answer
187 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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vote
0answers
186 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 ...
0
votes
1answer
51 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 ...
0
votes
1answer
237 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 ...
1
vote
1answer
176 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 ...
3
votes
4answers
230 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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votes
1answer
2k 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 ...
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0answers
201 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 ...
0
votes
1answer
123 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 ...
0
votes
1answer
147 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 ...
3
votes
3answers
726 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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2answers
1k 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 ...
3
votes
2answers
2k 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 ...
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0answers
135 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 ...
0
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1answer
66 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 ...
0
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2answers
493 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 ...
1
vote
1answer
325 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 ...
0
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1answer
369 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 ...
3
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3answers
4k 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 ...
2
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2answers
799 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 ...
0
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1answer
661 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 ...
0
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2answers
225 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' ...
6
votes
3answers
6k views

What are the pros and cons of a vented vs unvented crawl space?

I find it very confusing to read and hear conflicting advice on crawl space: vent vs air seal, different ways to do insulation, vapor barriers vs not, etc. Mine currently has some moisture and has ...
2
votes
3answers
1k views

Vented vs unvented crawl space

I've asked this question before: Vented vs unvented crawl space However, now that I'm going to get air conditioning the question comes back again and again people seem to have different opinions. ...