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Attic Upgrades and Ventilation - GreenBuildingAdvisor The 1000-sq -ft attic has two small gable vents, the AC furnace system is 25 years old, the roof is a 6-7 12 pitch covered in clay tiles, and on hot days the attic temperature can reach 130°F BGG had an energy audit done, which informed his plan to remove the existing fiberglass batts, air-seal the attic, install a ducted heat pump system
Finalizing insulation in converted conditioned attic Because the attic sits above an insulated but unconditioned garage, I have ~R-60 of blown in cellulose on the attic floor garage ceiling Since the cavities have 9 5 inches of rafter space, I had originally planned to add R-15 Rockwool batts to the cavities and, potentially, cover all of it with R-6 Rockwool Comfortboard 80
Attic Leak: Is it a roof leak or poor insulation? Simply blocking your attic vents and stuffing fiberglass between the rafters is a recipe for failure One of the few times I think closed cell spray foam is a good idea is homes like yours Older half story homes are notorious for leaking air 15 or more air complete air changes per hours are common Making the homes drafty and energy inefficient
Air Leaks From Your Home To Your Attic Need To Be Sealed It’s important to keep attic air out of the house and house air out of the attic That's why the home performance industry and every above-code building program make it a top priority to fully separate attics from the rest of the building When the attic isn’t fully air sealed from the living space and the combustion appliance zone, three undesirable scenarios can occur:
Should I vent my unvented garage attic? - GreenBuildingAdvisor The house attic is insulated with R-42 open cell foam on the roof deck, and there is currently no insulation in the garage attic The wall between the house attic and the garage attic is drywalled and insulated with R-30 open cell foam on the house side The garage has fire sprinklers, so the garage ceiling will need to be drywalled
All About Attic Venting - GreenBuildingAdvisor A No, although potential moisture problems in imperfectly vented attics can be disguised by the presence of leaky attic ducts (Leaky attic ducts can help dry out attic air by heating the attic in winter and dehumidifying the attic in summer, assuming that the house has central air conditioning
Are Powered Attic Ventilators Ever a Good Idea? There is no vapor or reflective barrier on the attic ceiling, just wood and nails During the day our house stays relatively cool with all the windows closed But come around 7pm until about 11pm it’s hotter inside than out (all windows open now), and from a thermal camera it looks like the attic is dumping stored heat down into the house
How to Insulate and Air-Seal an Attic Hatch Even though attic hatches can be huge air leaks and sources of radiant heat loss, they are rarely fixed An attic hatch is usually located in a hallway or closet where the homeowners see it daily Yet… I mean, once the homeowners fire up a blower door and whip out their infrared camera, the problems with attic hatches are pretty obvious
Fans in the Attic: Do They Help or Do They Hurt? Attic Fan (roof mounted type) and ceiling shutters ? When I was about 16 my father installed an Attic power vent fan We had a small house about 1000sf The house had a removable cover to get into the attic If the entrance cover was left open, and the fan came on You could fell the rush of air being pulled into the attic Present day
How to Insulate and Air-Seal Pull-Down Attic Stairs Pull-down attic stairs are super-sized attic hatches that just beg homeowners to store more stuff in their attic Besides the air-leakage and insulation problems stemming from having a particularly large hole in your ceiling, pull-down stairs creates a potential storage headache For homeowners, a storage problem usually means “not enough space ” For energy auditors, a storage problem