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Questions

  • Question & Answers

    Heat Pump Data

    We had a Bryant inverter driven 2 ton heat pump installed last summer and enjoyed it this winter. Climate zone 3C (95062). 1263 SF house.20k Manual J. Design temp is 34F…

  • Question & Answers

    Stair Design and Landing Integrity

    Hi GBA Community,We're in the final stages of a residential stair design and would appreciate your expertise, particularly regarding structural integrity, longevity, and our method of attaching the landing.Key design…

  • Question & Answers

    R38 vs R48/60 attic insulation

    I'm trying to get a sense whether its worth adding more insulation to my attic. Climate zone 5A. Currently has R38 insulation (R11 batt + R28 blown-in fiberglass).The attic has…

  • Question & Answers

    2×6 Rafter Insulation

    Hi,I'm sorry if this question feels repetitive but in my research I haven't found any conclusive information.I'm working on a renovation project in Vermont (Zone 6) that has a cathedral…

  • Question & Answers

    Pros and cons of rainscreen

    We’re currently building a home in Des Moines, IA (climate zone 8), and I’ve requested that our builder install a ventilated rain screen underneath our LP SmartSide. While our builder…

  • Question & Answers

    Afraid to put new asphalt roof on my house

    My insurance company is requiring me to replace my 20 year old roof or they will cancel my insurance. I am chemically sensitive and have been reading about reactions to…

  • Question & Answers

    Zone 2 conditioned attic … or not

    Zone 2 - Phoenix, AZ Hey all, I really need help with my roof design … both living space and garage. Some details: -Single level home -0.5:12 slope roof (basically…

  • Question & Answers

    Smallest gas furnaces (US market)

    I’m looking for info\help on options for gas furnaces with a low-fire rate below the 24K BTU input that has been the lowest available at supply houses for years now.…

  • Question & Answers

    Rain screen needed for vertical metal siding?

    Hello All!  I've read through many posts about metal siding and the need for a rain screen product (like Cor-A-Vent or whatever) or not.  One post indicated that code in…

  • Question & Answers

    Covering Zip after 180 days

    Hey All,CZ 6. I know I've seen this question come up before but have a slightly different consideration. Like many, our zip sheathing is just about to hit 150+ days…