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Questions

  • Question & Answers

    Window Sill/Jamb Wall Design Feedback/possible issues

    GBA advisors,Hello all, looking for feedback on the attached design Climate zone "5A" , Connecticut Building Codes. Attempting to follow "Joseph Lstiburek' perfect wall design as well as info gathered…

  • Question & Answers

    Is Neopor a good choice for old cottage rebuild

    We're doing a down-to-the-studs-and-slab "rebuild" of a small 2x4 wood frame construction cottage. All heating and appliances are electric,This is in Eugene, Oregon, which is climate zone 4C, a mild…

  • Question & Answers

    Limewash paint & vapor barriers

    In CZ6 and currently installing interior smart vapor retarders. A combination of Membrain and Majrex. Thinking about paint next. Have a strong desire to use something like JW Wall paints…

  • Question & Answers

    Fresh air pipe in mechanical room

    I have recently purchased an older home, and there is a 10" hard pipe running into my mech room from the exterior of the home. It is not connected to…

  • Question & Answers

    Wall assembly/insulation with cedar shingles

    Hi Everyone, I’m currently working on the design of an addition to my house.  The project involves adding a second story and an attic with vaulted ceiling to an existing…

  • Question & Answers

    Truss uplift prevention

    Hey, I am a construction manager and owner's rep in the ski town of Steamboat Springs, CO. I am working on a house with long trusses that span over some…

  • Question & Answers

    Foam + vapor barrier under slab?

    Folks, We've got a 4" concrete slab with 15 mil stego directly underneath, then 2" foam spec'ed for an upcoming addition project. My concrete guy wants to skip the stego,…

  • Question & Answers

    Heat & AC for a rental apartment in Boston

    Hi,Can anyone recommend a portable heat pump for a 600 square foot 1970s Boston apartment with electric baseboard and window AC?ThanksLene

  • Question & Answers

    Board and batten protection / installation questions

    I have been building a workshop for the past 4 years (plus a couple years of site prep).  4500 sq ft ... 16 ft ceilings ... standing seam metal roof…

  • Question & Answers

    Flat roof to pitched roof – will venting work?

    We are designing a house in Bozeman, MT - Climate Zone 6B. Half of the house is a gable with attic truss which makes venting easy with fascia vents and…