0
votes
0answers
31 views

Should I add an air return in my basement and seal old vents?

My question is basically a variation of two prior questions: "How do I close and seal an old external vent" and "Should I add an air return in a finished basement." My house has a bottom level that ...
1
vote
0answers
42 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 ...
0
votes
1answer
45 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 ...
1
vote
0answers
61 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
votes
2answers
112 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' ...
4
votes
5answers
8k 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
votes
3answers
711 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
votes
3answers
2k 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 ...
3
votes
2answers
2k 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
votes
1answer
424 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 ...
9
votes
1answer
1k 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 ...
2
votes
3answers
858 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
692 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 ...
6
votes
3answers
4k 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
3k 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 ...