"I have been dissecting and testing one part foam as an air sealant for a few years. Here are my findings:
While foam may look great as a walk by, visual sealant, it does not necessarily seal all that well.
It does not adhere 100% to shiny plastics…"
"To put it in simple terms, PHIUS is conducting a turf war, power grab. PHIUS does not wish to share the wealth but to control it. Too bad, in the end, we all wish to build better buildings...........terry"
"Any idea on how much time you spent with the can of foam air sealing the top plates and penetrations?
And what was the access factor to attic, both into the attic and in the attic (crawling, stooping, bending, on your knees, ect)
In New England, I've never opened up a fiberglass-insulated wall that didn't have evidence of mice infestation, but have seen no evidence of mice in cellulose (which is all I've used for the past 20 years for new construction).…"
"Terry, I have never seen it. I took apart a house with a badly leaking roof, the wing wall that was uninsulated had a 6' tall bees nest with 1000's of bees, the next bay over was dense-packed cellulose and had 0 bees."
"borates are used predominately as a pesticide for termites, bugs, ants, stuff like that it will kill them if they ingest it. As boric acid It is used as a fire retardant in cellulose. the cellulose blow I used last has about 20% borates in…"
"In cellulose - yes, as for borate treated as I said I can't be positive (hard to know exactly what was installed).
Basically if the air sealing work is done, chases closed, and the HO keeps up with regular cleaning, maintenance & humidity…"
"Thanks Chad, this is just the kind of testimony I was looking for. After posting this question on several web sites, I have gotten theory and probabilities but never actual case studies. How about wall assemblies- ever seen rodents in cellulose…"
Speaking of blown in.....does any one out there have any knowledge about rodents moving in and nesting in cellulose with borates? Any one ever take apart an old job and find critters in borate cellulose?..........terry- The Practical HouseSee More
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