Green Homes News
I have a 100 year old triple brick house with a brick foundation. I replaced the foundation on 2 sides with poured concrete. The house is semi-detached so I am…
Waco Independent School District demonstrates the potential of nano-modified concrete
If you've shopped around for the most efficient skylights in North America, you'll find two things.1.) the U-factors are much higher than windows with an equivalent glazing type (double pane,…
Hey GBA! Let me start by saying that I am aware “green roofs” or vegetated roofs don’t make much sense from a building science perspective. No, Joe Lstiburek, I am…
About to build a single story over a basement house in zone 5a in western North Carolina. All electric. I was considering a wood stove for heat/cooking in the event…
The focus on building energy-efficient and eco-friendly homes brings attention to an important yet often overlooked aspect: roofing......
choosing the right provider for air conditioning service Los Angeles is crucial to staying cool and relaxed during the summer season....
Hey all. We're doing a gut renovation of an old victorian in the Bay Area. Climate zone 3. Insulating and air sealing to "pretty good" standards. We have three floors…
The Pretty Good House book describes an interesting detail at the rim joist, where we could recess the rim joist 2" and put 2" rigid exterior insulation in this location.…
I need help understanding how to deal with air barrier and insulation challenges with roof trusses that do not have a consistent ceiling height. My intention is to have a 2/12…
Hello we’re building a two story addition to our home and have decided to use helical piles instead of concrete slab on grade foundation. Each unit is around 950sq. Now…
I'm building a big 40x64 detached garage in MA. Standard 2x6 stick frame construction with attic trusses dropped on top. See attached pics (one before and one after sheathing) to…
Hey All,I talked to the GC about dealing with the insulation at the stem wall under the exterior doors. The concrete contractor made, what I would describe as, "notches" in…
I was reading the Crawlspace Insulation Info sheet on Buildingschicence.com Info Sheet 512 (https://buildingscience.com/documents/information-sheets/crawlspace-insulation).The first paragraph says:"Crawlspaces should be designed and constructed as mini-basements. Crawlspaces should not be vented to…
I get a musty/moldy smell in my house. I can't figure out the source. Maybe it's the carpets? Maybe there is actually some mold in the ceiling or walls somewhere.…
I have about 350 sheets of EPS, 1”, 2”, and 3” that I’ll be installing below grade in a few weeks. It’s all 15psi for what it’s worth. Is the…
The number of facilities removing CO2 from the air is increasing but major hurdles remain to widescale adoption of direct capture
Hi all, 3bed, 2600sqft home in Zone 3B (southern California). Home has no attic, no crawlspace so very limited space for any type of ducted ERV. Luckily, fairly mild year round temperatures…
TLDR: Is there a benefit to using a single layer of 2" foil-faced polyiso vs. two layers of 1" material? I'm currently building up a materials list for a planned…
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