Vented vs. Unvented Attic - GreenBuildingAdvisor The complete source for building, designing, and remodeling green homes Community and Q A Vented vs Unvented Attic jollygreenshortguy | Posted in Energy Efficiency and Durability on December 20, 2023 10:30am
Unvented Attic roof assembly - GreenBuildingAdvisor My question is regarding unvented attic assemblies I am designing a house that has a 5 12 gable that is attempting to replicate a traditional craftsman style rake eave condition So soffits […]
Unvented Attic with Trusses (New Build) - GreenBuildingAdvisor I want an unvented attic because my HVAC air handler and ducting will be in that space So my roof top to bottom will be: shingles, underlayment, 7 16” decking, 1” furring, 3” polyiso rigid foam, 5 8” zip sheathing, and an unknown interior insulation against the underside of the decking
Should I vent my unvented garage attic? - GreenBuildingAdvisor 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 drywall attic storage walls and ceiling to protect spray foam from fire danger
PODCAST: How to Insulate an Unvented Roof - GreenBuildingAdvisor Attics are a great place to reclaim living space without the expense of an addition If you have the headroom, you can gain at least one extra room by finishing your attic But with energy codes requiring more and more insulation, it can be difficult to pack all of that R-value into the skinny little rafters that are common in older houses
Building an Unvented Crawlspace - GreenBuildingAdvisor Unvented crawl space in NJ Hi Martin Fantastic article I live in central NJ and have a vented crawl space connected to an unconditioned, unfinished basement and am considering sealing the 2 vents to create an unvented crawl space The crawl space is not sealed from the basement, air can flow between the two areas via the rafters
vented and unvented soffit - where when are each used . . . 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 […]
High Humidity in Unvented Conditioned Attics If you convert your vented unconditioned attic to an unvented conditioned attic by installing open-cell spray foam on the underside of your roof sheathing, you may be surprised to discover that your attic is now the most humid room in your house Why? We don't know Although building scientists haven’t achieved a consensus on the answer, we do have enough information to paint a picture of
Is an Unvented Conditioned Attic a Good Way to Save Energy? The unvented roof consists of standing-seam metal over synthetic felt and oriented strand board (OSB) sheathing Both HVAC equipment and air ducts will be located in the attic of this house in Climate Zone 4 Three insulation contractors are unanimous in their recommendation to spray a 6-in layer of open-cell foam on the bottom of the roof deck