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 …

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.

Dec 1, 2025 · I’m insulating my attic floor in climate zone 4A. Attic is vented with soffit and ridge. I have 2×6 floor joists. I was going to lay r-23 rockwool batts in between the joists and then do criss cross …

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.

Jan 19, 2025 · 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 …

Nov 24, 2022 · Attic insulated with spray foam at the roofline. Thermal bridging is reduced by spraying over the rafters. Air leakage is reduced by encapsulating the attic. By encapsulating the attic, the air …

Aug 21, 2013 · There you have it. Attic kneewalls often cause big comfort problems in homes. Getting them right is fairly straightforward but takes time and attention to detail. The results are worth it, …

Feb 14, 2024 · Attic trusses, sometimes called room trusses, are factory-built systems that simplify a roof build-out and are engineered to meet the structural requirements of local codes and conditions.

Jan 9, 2019 · Loose-fill fiberglass attic insulation was shown to lose up to half its R-value in a study from the early 1990s. [Photo credit: Energy Vanguard] When you get into the world of building science, it’s …

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 …