"Thanx for the new word Sean, being "interstitial" space!, for I didn't think mini crawl-space was correct. We proposed to try pretty much as you noted, but instead of fire-stops we are adding Cellulose densed which is about the same…"
"First off it is called an interstitial space - a crawl space is located in only one area of a building & it isn't between floors.
For insulation: single family style, treat it like any other rim joist. Between units, you would also treat…"
"This sounds like a job for AeroBarrier and AeroSealing. Both products will seal the issues from the inside out. One for the duct system and one the envelope of the building.
I have been working with Midwest AeroBarrier and CEE out of Mn on…"
"Hi Brad sorry to confuse, but difficult to put in words, but yes going in from the inside 1st floor ceiling @ exterior wall and since the mini-crawl is 2' deeps (see pic from @ HVAC) I plan on adding 24" FG Batt as a backer about 2'…"
" Now I am really confused. The 2nd photo shows what appears to be a typical 2x10 or 12" joist bay, with what appears to be sheetrock below and plywood subfloor above, with what appears to be mold on some of the surfaces. This is commonly…"
"Hi Brad, This is a space between the 1st floor ceiling and the 2nd floor floor. The area is 12' * 28' & is being used to run the duct work and water pipes to the home. Note: the HVAC is @ the rear 2nd floor. It is really deep with ~…"
"Do you mean crawl spaces below the lowest floor level? or do you mean a 2-3 ft. space between floors?
What do you mean by "opened to the outdoors" and "bypasses"?
If you are talking about crawl spaces, then cellulose is not…"
"As a FYI, HELP is going forward with this retrofit, via dense packing all the exterior rim cavity areas between stories and will give an update when completed... (NOTE: with Cellulose of course) Thanx"
"Mini-Crawl Spaces between City Row-Home's Conditioned Stories
I have been finding more row-homes with 2' -3' sub-floors with ducts and piping running through them, that are usually opened to the outdoors (exterior walls &…"
I have been finding more row-homes with 2' -3' sub-floors with ducts and piping running through them, that are usually opened to the outdoors (exterior walls & bypasses) and run the width & length of the home. I am wondering if anyone has ever addressed these spaces? Thanx, BobSee More
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