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Hi, I’m insulating a few triangular exterior walls as part of my “devils triangle” retrofits. 1922 house, zone 5B, almost 6B, northern CO. Relatively small interior fixes so not involving AHJ for the moment, but want to do it right. Have to go in from the inside – outside is too big of a project […]
Hi. Longtime poster, occasional return visitor. Recipient of a few Q&A Spotlights. Availability of materials where I am, in the CA high desert, is a mixed bag. Even Rockwool is tough to procure (yes, I’ve taken this question up with Roxul directly, too). Nevertheless, exterior Comfortboard80 is still my plan for the walls. Speaking of […]
Many deparments of permitting are now requiring compliance with IECC 2018. According to the 2018 International Energy Conservation Code (IECC), the air infiltration requirement for windows is a maximum of 0.3 cubic feet per minute per square foot (cfm/ft²) unless the window is site built. For European windows that are not certified by NFRC, this […]
I’m looking for some suggestions/comments for insulating a detached garage with a modified parallel chord truss roof, as shown in the attached picture. The garage will be fully drywalled, and will have a minisplit system. I’d like to get the right amount of insulation to help the HVAC, without wasting money (we’re in a mild […]
Hello. South Louisiana home constructed approximately 1867. The question relates ONLY to the front wall of the home which is approximately 12′ high (interior) x 36′ wide (interior). The front wall has four tall walk-through windows (the sashes slide up into the wall pocket above) and one entrance door with a transom, so it’s close […]