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Questions

  • Question & Answers

    HRV Dilemma

    I'm remodeling a home in Seattle (1500sf, slab on grade), including air source heat pump, new siding and new windows/doors, and debating whether to include an HRV, and if so…

  • Question & Answers

    Unvented Roof Assembly Vapour Retarder

    Hello,Residing in Zone-5, I'm planning on incorporating 2" of Roxul as the Exterior Continuous Insulation with an 3.5" in the stud bay.  The roof assembly design will only permit the…

  • Question & Answers

    Building for high humidity indoor environments (bathrooms, greenhouses etc.)

    Hi I am wondering if people have helpful tips for designing buildings intended to withstand higher levels of humidity indoors. We are building in a cold climate zone 5. After installing…

  • Question & Answers

    Opinions on Keene Easy-Fur Strips for Rainscreen

    Anyone have any experience using 1/4 in Keene Easy Fur strips as a rainscreen behind hardie board siding? Seems super easy to use... tack up on the top of the…

  • Question & Answers

    How to Improve Ventilation with Short Soffits

    My house is a 2 story colonial and the soffits are roughly 3-5 inches deep. My goal is to increase ventilation in my attic. I may eventually enclose the attic…

  • Question & Answers

    Product for Sealing Joist Bottoms in a Ventilated Crawlspace

    Let me start off by saying I don't like ventilated crawlspaces, but sometimes you have to do what you have to do. I'm working on a house in Washington, DC…

  • Question & Answers

    How to Vent this Cathedral Ceiling

    Hi, there. I'm looking for someone to let me know if this particular venting detail for the roof of a build will work. For starters, I am located in Northern…

  • Question & Answers

    Ventilating an attic with faulty, off-gassing SPF

    I have a sealed/unvented attic with smelly, off-gassing open-cell under the roof deck.  I've engaged the installer for help and I reckon they'll have to redo the job.In the interim,…

  • Question & Answers

    Caulking studs in spray foamed wall

    I have a question about air sealing. I taped the seams in my exterior sheathing with Siga tape. Stud bays are insulated with open cell spray foam. Do I still…

  • Question & Answers

    Tech shield application

    anyone see a problem with this combo?zone 2 Using tech shield as radient barrier ( facing down toward foil on polyiso ) under (.30 sri ) shingles, over 3/4" or…