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6
votes
2answers
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 ...
5
votes
1answer
232 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
241 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
votes
3answers
191 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
162 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
594 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
vote
2answers
2k 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 ...
10
votes
2answers
3k 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
1k 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 ...
9
votes
10answers
18k 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 ...
5
votes
1answer
317 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
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. ...
6
votes
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 ...
4
votes
2answers
258 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
193 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
3k 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
1k 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
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 ...
4
votes
3answers
4k 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
329 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. ...