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  1. All About Attics - GreenBuildingAdvisor

    Sep 12, 2014 · 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 …

  2. Understanding the Energy Code: The 2021 IECC Attic Insulation ...

    Sep 12, 2025 · Learn the requirements for residential attics in different climate zones, the impact on energy efficiency, and the importance of proper insulation installation.

  3. All About Attic Venting - GreenBuildingAdvisor

    Dec 6, 2013 · A rundown of reasons why venting an attic makes sense and how it can prevent issues that negatively impact a house's performance.

  4. Attic Upgrades and Ventilation - GreenBuildingAdvisor

    Sep 30, 2024 · 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 …

  5. Is Venting an Unconditioned Attic Necessary?

    Jun 29, 2023 · Venting an attic in cooling season The warm-climate, summertime problems of shingle life and cooling costs also show little improvement from attic ventilation. Shingle life can be …

  6. Air Leaks From Your Home To Your Attic Need To Be Sealed

    Jul 3, 2014 · 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 …

  7. Attic baffles question - GreenBuildingAdvisor

    Mar 24, 2025 · 1. Should there be baffles in the corner of the attic? In the first image, it looks like there are open soffit vents there, but there are no baffles. 2. […]

  8. Is a cat walk in the attic above insulation safe for trusses ...

    Feb 5, 2019 · Will I undermine my roof trusses at all by adding a catwalk in the attic with a series of 2×4’s? I’m trying to make it easier to do visual inspections of the roof and any repairs in the attic by …

  9. Are Powered Attic Ventilators Ever a Good Idea?

    Sep 9, 2021 · If you don’t have air conditioning or natural-draft combustion appliances, a powered attic ventilator can keep your attic cooler. I had someone once tell me that the rubber handles on a …

  10. Controlling Humidity in an Attic with Spray Foam Insulation

    Jul 29, 2021 · Using an exhaust fan in an encapsulated attic Since that time, we’ve been experimenting with ways to keep the attic humidity low. One of the methods we’ve tried is using a small fan to …