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Hi! I’m Leib, and I’ve been trying to figure out what to do with a chimney that I can’t remove. The house is in New York City (zone 4), and is built of mass masonry. There is one party wall, in the center of which is a 3 foot square chimney, from the basement through […]
Green Communities In rural Missouri, fifty residents are showing how shared infrastructure and ecological building can reshape both housing and community life. By Nathaniel Carlsen | January 13, 2026 Dancing Rabbit Ecovillage Thirty-four miles west of the Mississippi River, in the rolling countryside of Sand Hill County, Missouri, sits Dancing Rabbit Ecovillage—an intentional community of […]
ritas_cabin | Posted in General Questions on January 12, 2026 08:20pm Hi All, I am trying to understand IBC 5.2.9 “Where only air-permeable insulation is installed directly below the structural roof sheathing, air shall be supplied at a flow rate….etc etc. Does this mean that a VDP is not a code-approved design for an unvented […]
Hopefully a quick question: I have a steel building with steel girts and purlins. I already have 1″ continuous XPS on the outside of the wall, but figured I would fill the cavity with rolls of 6″ R19 insulation (even though the steel girts will negate a fair amount of the R value). I found […]
Hi All, Does anyone have opinions, experience, or data regarding the pros/cons of putting a cross-batten grid of ~a few inches, vs. a much tighter ‘air gap’ using a product like Keene’s Viper Vent: https://keenebuilding.com/products/viper-cdr-vent/ In my situation in CZ3b (also high risk fire zone), re-roofing over both an unvented cathedral and vented attic, looking […]
“I Am Reimagining Higher Education To Build Industry 4.0-Ready Leaders” BW Businessworld