Bryan Pringle
  • Saco, ME
  • United States
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Dense packed cellulose in basement?
13 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 Bryan Pringle 16 hours ago.

 

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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…"
16 hours ago
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…"
yesterday
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."
Thursday
Sean Lintow Sr replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"I love BSC but my one word of caution is to always be careful of when an article was written - both the ones I see you point out are 2010 (above & below) and there have been many advancements & new understandings made since them. Plastic is…"
Apr 12
Bud Poll replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Adding a variable vapor barrier on the inside is not the solution, although I am unfamiliar with Intello Plus.  The objective is to maintain the vapor permeance so the wall can dry to the inside, because it can't dry to the outside,…"
Apr 11
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Thanks, I appreciate the thoughts.  With that in mind, I may consider a high performance interior vapor membrane such as Intello Plus to mitigate vapor drive through the cellulose assembly."
Apr 11
Bud Poll replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"I didn't see your climate zone, but assume you are in cold country with the insulation question.  There is a second source of moisture to be concerned about and that is interior humidity reaching the ground temperature foundation walls in…"
Apr 11
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"This excerpt from the second article accurately describes my vapor barrier assembly, using sheet membrane waterproofing: "in renovations, exterior perimeter drainage may not be present or may not be practical or possible. In such cases,…"
Apr 11
Bud Poll replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"I have to agree with Sean, The "moderately damp" issues need to be addressed before any attempt to finish the inside.  Two links below will provide much helpful information. With existing basements, especially your very old one,…"
Apr 10
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Not to get too side tracked, but what problems are associated with inboard-side polyethylene vapor barrier encapsulations?  It is a fairly common moisture-management technique in retrofit applications."
Apr 10
Sean Lintow Sr replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Sorry but Fail - look at using a product like Delta Dry and letting it run into a French drain system with sump pump backups for slab (yes you can do this inside). Just remember, most vapor barriers (esp. plastic) have no place inside…"
Apr 10
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"12mil reinforced vapor barrier covering all floor surfaces and extending up all walls fastened to a point above grade. All seams taped with double sided eternabond tape and single sided waterproof white vapor barrier tape. Basically, I am creating…"
Apr 10
Bud Poll replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"I wouldn't go with cellulose as it isn't really good with moisture.  Tell us what you are planning for a "full basement encapsulation". Bud"
Apr 10
Bryan Pringle posted a discussion

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
Apr 10
Bryan Pringle replied to Matthew Damon's discussion Upgrading a vented tongue and groove cathedral ceiling in the group Best Practices (Residential)
"Hi Matt, If you checked out Bud's link I'm sure you saw all of the ideas folks have on this.  Definitely no clear cut answers.  I would vote for the least intrusive method of opening the soffit, removing as much FGB you can and…"
Feb 16, 2014
Bryan Pringle joined Sean Lintow Sr's group
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Best Practices (Residential)

Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what needs to find it's way to the dust bin of history?See More
Oct 29, 2013

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Building Analyst Professional

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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…"
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