Questions- Page 2 of 3011
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Net free vent area + rafter blocking hole size
I'm calculating net free vent area for a cathedral ceiling and wanted to run my calculations by the experts here. I believe the IRC calls for a minimum of 1/150…
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Insulate or Ventilate “Bump Out”
First post long time free lurker/reader. I just wanted to get a consensus for options. We have a late 70s raised ranch. The front faces west and we cannot put…
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Water proofing Exterior Casing on Marvin Windows
Hey, A client has asked me to do exterior casing (1x4) for their new windows. This is new construction. She requested no exterior sill and its being sided in clapboards. …
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Minisplit code requirements
Minisplits installs are rarely inspected and there seem to be many variations on how people do things. im trying to find some definitive answers to some code related questions. 1. Condensate…
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Best Practice for Deep Crawlspace
We are building in Zone 5, and working within the confines of a track builder. We did upgrade to a 4 ft crawl and I would love some insight into…
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2024 IRC Diffusion port area for unvented attic using air permeable insulation, 1:600 or 1:150?
The 2021 IRC states diffusion port area requirement as 1:600 (i.e. 1 square foot of diffusion port for every 600 square feet of ceiling) in subsection 5.2.2:https://codes.iccsafe.org/s/IRC2021P2/part-iii-building-planning-and-construction/IRC2021P2-Pt03-Ch08-SecR806.5Did the 2024 IRC…
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do solar panels make sense in this scenario?
I had plans to install solar panels on my new workshop, but a change in billing schemes by my utility is giving me second thoughts.Relevant details:-climate zone 5/6-winter months are…
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Remodel Wall Assembly
We are north of Dallas TX, and are pulling all the brick and roof off our home (originally built in 70's and added on to through the years). Several reasons…
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Rooftop deck layer discussion. Can I make it thinner? Condensation issues? Other issues?
Greetings all! I'm planning a build with a small roof deck, and vertical space is at a premium due to height restrictions. Every mm counts. I also want to get…
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Polyiso on both sides of roof sheathing
I have 4in of polyiso on the exterior of my roof sheathing (zone 3) Using an r30 batt on the inside. My question is in regards to areas where we have…