Dec 20, 2023 · Ventilated vs unventilated attics – Which would you do? All else being equal, if you were building yourself a new house would you go for a ventilated or unventilated attic? […]

Nov 19, 2024 · B) Unvented Insulated Attic – Treat garage attic same as house attic by installing open cell spray foam on roof deck and gable end. Storage space in attic triggers need to …

Jun 16, 2025 · The complete source for building, designing, and remodeling green homes Q&A Spotlight Do Unconditioned Attics Need Vents? And can an unvented attic/roof assembly be …

Feb 13, 2025 · If you do want fully unvented, you still only need about 1.5" of closed cell spray foam for condensation control, the rest can be fluffy. The unvented assembly needs to be all in …

Feb 3, 2023 · I am finding conflicting advice on when/where to use vented soffit vs unvented soffit. There are four locations/situations that I am hoping for direction. House eave (I believe this is […]

Jun 25, 2021 · Kiley Jacques, senior editor at Green Building Advisor, recently suggested that I write an article called “Building a Budget-Friendly Unvented Cathedral Roof.” My first reaction …

Dec 30, 2024 · I’m interested in better insulating a portion of my attic. The majority of my attic is vented via soffit vents and a ridge vent, however in my kitchen the floor […]

Aug 31, 2018 · Cathedral ceiling assemblies and unvented conditioned attics often suffer from problems with damp roof sheathing. For years, building scientists have been proposing a …

Jun 26, 2020 · I’m finally done with the insulation project and trying to move on ERV project. I have bought Panasonic FV-10VE1, have some questions regarding ERV and unvented attic. …

Feb 1, 2025 · Hello! We’re exploring ways to improve the subpar insulation job for the vaulted ceilings of our three-year-old home. Our current setup is under-insulated, has mold issues, …