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1
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1answer
72 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 ...
1
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2answers
94 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 ...
0
votes
1answer
47 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
votes
3answers
92 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 ...
0
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1answer
97 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
58 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' ...
2
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2answers
203 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
161 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 ...
4
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4answers
3k 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 ...
3
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2answers
533 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 ...
4
votes
1answer
336 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 ...
3
votes
3answers
516 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 ...
4
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2answers
272 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 ...
4
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3answers
1k 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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votes
2answers
332 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 ...
3
votes
2answers
1k 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 ...
0
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0answers
282 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?
13
votes
1answer
983 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 ...
6
votes
2answers
698 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
votes
1answer
189 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 ...
4
votes
2answers
198 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 ...
2
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3answers
167 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
votes
1answer
134 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 ...
0
votes
1answer
365 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
votes
0answers
213 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 ...
1
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2answers
721 views

How fast does moisture seep out of the ground in a crawlspace?

I need to fix humidity in my crawlspace. I'm aware of the expensive option, i.e. conditioned and sealed crawlspace, but I hope that's a last resort. I'm wondering if I can get away with the ...
9
votes
1answer
987 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 ...
3
votes
3answers
666 views

Crawlspace Drainage

I am beginning the installation of a Crawlspace Perimeter drain. I discovered that the concrete footing extends about 12" into the crawlspace. As I was going to place the NDS EZ drain pipe down ...
8
votes
10answers
9k views

How can I remove mice from my house?

I live in a townhome which is a 2nd and 3rd floor unit. On the 3rd floor is a closet with a crawlspace entrance which is the attic. There are definitely mice running around in there. I tried to ...
4
votes
1answer
219 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 ...
2
votes
3answers
724 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. ...
6
votes
1answer
593 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 ...
4
votes
2answers
195 views

Curtain drain in the crawl space - Part 3

I've dug out a trench around the perimeter of my crawl space. Then I planned the next steps. I took a week off but I'd like to finish this project next weekend. I'm going to put a 4" perforated pipe. ...
4
votes
1answer
156 views

Curtain drain in the crawl space - Part 2

Part 1 is done. We've dug a trench at the interior perimeter of the crawl space. It took 8 hours 3-4 people (I was working myself but not all the time) and one dump truck. Total budget was around ...
4
votes
1answer
1k views

How should I install a curtain drain in my crawl space?

Since I have wet areas in the crawl space, I have decided to dig a trench at the perimeter of my crawl space to take care of the water. This would also allow me to install rigid foam insulation on ...
3
votes
1answer
610 views

Vacuum Excavator for crawl space

What do people think of this method for excavating a crawl space: http://www.mvtimes.com/news/2007/11/21/vacuum-excavator.php
5
votes
3answers
3k 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 ...
4
votes
3answers
2k views

Should I use foam spray insulation in my crawl space?

My crawl space has no insulation. The dirt is wet near one of the walls. There have been termites in the past. I'm thinking of insulating the ceiling (between the joists) and the walls with foam ...
3
votes
2answers
254 views

Things to look for while entering the crawlspace of a house I'm considering buying?

I'm going to examine the crawlspace under a house I'm considering buying. What type of things should I look for? Here's my list so far: Water, moisture, and dampness -- finding it's source. ...