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安裝中文字典英文字典辭典工具!
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- 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 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
- All About Attic Venting - GreenBuildingAdvisor
One of the interesting things about heat buildup in attics and asphalt shingle warranties tied to the amount of attic venting needed to keep the attic cool, is that I recorded temperatures immediately under shingles between 180 - 190 degrees on south facing slopes and just above ambient temperature under wood shingles
- 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
- 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
- All About Attics - GreenBuildingAdvisor
Most six-year-olds can draw a house The typical child’s depiction of a house shows a rectangular building with a door and a few windows, topped by a gable roof This type of house is fairly common in most areas of the U S If the house was built 100 or more years ago, it usually had a cellar or basement underneath the first floor and an attic above the top floor
- 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
- Is Venting an Unconditioned Attic Necessary?
A reflective metal roof keeps an attic much cooler than passive ventilation Photo courtesy of Cameron Taylor For the second problem, cooling costs, attic ventilation supposedly reduces cooling costs in the house Yes, ventilation can keep the attic cooler, but that doesn’t translate to lower air-conditioning costs
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