Dec 4, 2012 · Five options Short of gutting the wall cavities, which would allow full access (and all possible options), there are five insulation options: loose cellulose, dense-packed cellulose, …

Jul 26, 2020 · Hi Shawn. There are two-part DIY spray foam kits, but I have never seen a DIY injection or "pour-and-fill," products meant to retrofit in already closed stud cavities. Are you …

If you want better insulation, you'll need to install a thermal break, like interior rigid foam board. If you use foil-faced polyisocyanurate foam, then strap and drywall, you'll have a more efficient …

Oct 14, 2015 · Sprayed foam never works in CMU cores anyway- they ususally use non-expanding injection foam. While it's R-value is pretty good (R5 per inch), the thermal bridging …

Dec 17, 2024 · I have a 1990s house in Michigan. I have fiberglass insulation in the walls, which is not terribly effective and results in some cold spots and draftiness in the winter. I’m …

Jul 25, 2023 · This is my first post. Recently I had an insulation winterization retrofitting program for wall insulation installed in my house. To note, I live Toronto, Ontario, so I’m in climate that …

Feb 15, 2016 · The house is a 20-year-old gambrel, about 3,200 sq. ft., with 2×4 walls with fiberglass insulation. I have already gone through the Efficiency Maine program, with air …

Oct 23, 2023 · They show foam being injected into existing walls. I had not heard about that technique since the early 1980s when they stopped due to off gassing. They claim R 5.1 per …

Sep 13, 2010 · When builders talk about spray-foam insulation, we assume they're referring to a two-part polyurethane compound. But not always, as a recent Q&A demonstrates. Amanda …

Aug 9, 2021 · As with so many things, installation is key to the success of “injection foam.” Take a look at that section of this article: Insulating Stud Cavities in Existing Homes. Yeah, there are a …