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- Should I vent my unvented garage attic? - GreenBuildingAdvisor
I’m building a new single-story single-family house with an unvented attic and am looking for input on how to address my attached unvented garage attic The home is located in Northern California in climate zone 3-C (Marine), so mild weather year-round
- Attic Upgrades and Ventilation - GreenBuildingAdvisor
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, then blow in cellulose insulation He asks if, while the attic is empty, it is a good time to perform other upgrades He is particularly interested in whether mechanical ventilation should be added
- Can too much soffit and ridge ventilation actually hurt a house if the . . .
In a poorly sealed house roof venting can increase the stack effect - meaning more air entering the house at the base, and exiting into the attic That's why the recommendation is to have more vents at the soffits than at the peak, which slightly pressurizes the attic, reducing exfiltration
- All About Attics - GreenBuildingAdvisor
The classic attic is located above a flat ceiling and has the same footprint as the house below Some attics are smaller than the footprint of the house, like the attic above the second floor ceiling of a Cape Some attics have a triangular cross section, like the attics behind the kneewalls on the second floor of a Cape
- Venting Bathroom Exhaust Air - GreenBuildingAdvisor
Exhaust air from bathroom fans should never be ducted into an attic but rather to a point outside the building enclosure
- Finalizing insulation in converted conditioned attic
Hi all: I recently converted the formerly vented attic above my attached garage to an unvented and conditioned attic This attic houses my geothermal air handler, whole house dehumidifier, and […]
- Air flow between garage attic and house attic - GreenBuildingAdvisor
The garage wall and ceiling have fire-rated drywall There is an attic space above the garage and an attic space above the house Currently, these two attic spaces are separated by plywood – with an approximately 4×4 hole for a person to crawl though because the access to the attic is only through a hatch in the garage
- Blown Insulation for Attics: Fiberglass vs. Cellulose
Blown-in fiberglass consists of milled glass fibers like those used to make fiber-glass batts When it is blown onto an attic floor, it is referred to as loose-fill fiberglass This material has a lower R-value per inch (2 to 2 7) than any other common insulation product, so it’s best applied in an attic that has enough room at the eaves to accommodate insulation installed 16 in to 26 in deep
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