Bryan Pringle
  • Saco, ME
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Dense packed cellulose in basement?
25 Replies

I am looking for advice on a project I would like to attempt in my own home. It is an 1840s cape with a granite block foundation, and basement is moderately damp. I am performing a full basement…Continue

Started this discussion. Last reply by norman farwell on Thursday.

 

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norman farwell replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Ha, we're on the same wavelength.  That's the big question--I'm still thinking about whether to jack or not. House slopes front to back about 2", so I'd like to address that. It's post and beam, so in theory I…"
Thursday
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Thanks Norm, we'll have a couple of case studies when all is said and done. Just curious, do you plan to jack the house and insert a capillary break under the sill? If no, how far up the wall are you going with EPDM?"
Thursday
norman farwell replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Bryan,  I am trying the same thing for most of the same reasons and also against advice to the contrary.  We'll see how it goes.  I have a full basement with moisture problems--block on 3 sides, rubble on the fourth.  I…"
Thursday
Bryan Pringle's discussion was featured

Dense packed cellulose in basement?

I am looking for advice on a project I would like to attempt in my own home. It is an 1840s cape with a granite block foundation, and basement is moderately damp. I am performing a full basement encapsulation, after which I will have a 3-4" slab poured. I would like to build a 2x4 stud wall around the perimeter and dense pack with cellulose.Questions:1. Should I extend my vapor barrier all the way to the sub floor of 1st floor, or will the drying capability of the outside air above grade keep…See More
Tuesday
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Can you tell me more about how the plastic makes the moisture worse?   I understand that in the current situation ground moisture is drying to the inside of the house.  By installing the vapor barrier, that prevents this evaporation,…"
Monday
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"I like cellulose because of its air leakage reduction property and the ease of making a quality installation on an uneven surface. Also, not itchy."
Monday
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"This example is the reverse of my suggestion.  I would do high end vapor barrier against basement wall and then 2x4 stud wall inside of that, thus keeping the moisture on the rock/earth side and the biodegradable materials on the interior side."
Monday
Al Heath replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Really?  Go back and read these posts again.... "play ground for mold."  I once did a basement with open cell foam (still oil based but less toxic than closed cell) with a high-end moisture barrier behind.  Bottom line you…"
Monday
Sean Lintow Sr replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"You can use whatever insulation material you want in the basement BUT you have to deal with all the moisture issues first or you have created a playground for mold, mildew, etc... As a reminder - plastic is not dealing with the moisture, just…"
Monday
Morgan M Audetat replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"What is wrong with glass or mineral? "
Monday
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"In short, it isn't foam. So I want to learn if it is possible"
Monday
Morgan M Audetat replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Still wondering what the cellulose does for you? "
Monday
Al Heath replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"My favorite was 2x4 directly on cement basement wall, with fiberglass, then plastic inside of that.  It looked like a total black goopy mess when opened 5 yrs after install and was given away by the black liquid (liquid mildew) leaking from…"
Apr 19
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"I am getting a lot of "bad idea" push back on this.  I fully understand that convention dictates against using cellulose in this application.  That is the reason I would never consider attempting on a customer's house and…"
Apr 18
Morgan M Audetat replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Right you are. You have to ask: what will the cellulose contribute.  Here in Minneapolis we do the all the mechanical work in basement remodels and after seeing many illogical water proofing and insulation applications had to insist on a few…"
Apr 17
Al Heath replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"I do not put cellulose in basements... ever.  No matter how hard you work, vapor barrier are never perfect and once its wet you are done.  I don't use much foam, spray or board, but basements are a good place for it."
Apr 15

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norman farwell replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Ha, we're on the same wavelength.  That's the big question--I'm still thinking…"
Thursday
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Thanks Norm, we'll have a couple of case studies when all is said and done. Just curious, do…"
Thursday
norman farwell replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Bryan,  I am trying the same thing for most of the same reasons and also against advice to the…"
Thursday
Morgan M Audetat commented on Sean McLoughlin's blog post Programming in-floor electric radiant heat, is it worth it?
"You would need a large bathroom to see the difference. We install them both ways depending on the…"
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