"This is one reason why we are seeing more mold in attics from homes that increase insulation. insulators are blowing R-50 in older homes that typically had R-15- to maybe R-21. they are not careful about installing baffles even if soffit vents…"
"if that is your concern then foam would be the only alternative. if you can insert the tube and foam seal arouind and behind the box you might be able to air seal it and insulate it resulting in better temperature and infiltration. Some foams…"
"foam gaskets are little to no use, try a blower door test and test the results you will see little to no difference, the air comes thoruogh the electrical holes in the sockets and from around or through the box. www.efi.org i believe is the correct…"
"we have been doing this on retrofit and new construction since 2000. works great, just make sure the crawlspace is in negative pressure to prevent radon or other things from getting in the home. www.eeba.org has the builders guides by Building…"
Jan 19, 2012
Tad Duby just added their location. (via Member Map)
"I doubt the framers are gapping the material, ive had them tell me they are and when i get to the job, they are not, another reason might be the framers are not crowning the studs, while all of us old framers did it alot the the new construction is…"
"i agree with the other comments, if you are talking about an interior vapor barrier, the need for it does not exist, a vapor retarder like two coats latex paint, or a 1 perm vapor retarder primer followed by paint. This allows the wall assembly to…"
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New York is increasing its energy standards and is investigating the possibility of implementing the Passive House Standard for new construction and retrofit projects. Interviewee: Ken Levenson, with NY Passive House Assoc and 475.