"David's reply was very thorough touching on some things the rest of us had not mentioned. The one aspect I question is the increased heating/cooling load. When I was first studying and building sealed crawl space, it was presented…"
"I agree with Charles on using PVC vinyl instead of visqueen as it is a lot more durable. An inexpensive source are used bill boards. They are incredibly strong and seams glued with HH-66 cement cannot be pulled apart.
I have done sealed…"
"Return "duct work" is not the issue--free flowing paths back to the unit are. You probably had some air bypassing any filters but that would not likely do any real harm. If the unit is central and each room has enough…"
"If the improvements add an average of 5% to the value, what % of the home's value did the upgrades cost? I realize that is not the whole picture but it is the most important aspect of considering the value of the improvements. The…"
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