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General Questions- Page 3 of 858

  • Question & Answers

    Calculating for R-Value and Thermal Comfort

    Hi all, I’m planning on adding exterior insulation and air sealing to my house in CZ5, and am trying to find the right balance between more r-value and the cost…

  • Question & Answers

    Flash and Batt vs. Foam at Rim Joists

    I'm considering doing a Flash and Batt style insulation on the house I am renovating, or at a minimum, using spray foam to seal in the chunks of polyiso I'm…

  • Question & Answers

    Dudley Box vs. Plywood Buck

    Hello I am in the process of redoing a portion of my house and while the siding is off I want to address the windows. I have removed the layers…

  • Question & Answers

    No Flashing on Windows with Tyvek Seam Taped to Nail Flange

    I put an addition on my house last fall and the contractor installed the nail fin windows directly to the osb sheathing without any flashing around them. He then wrapped…

  • Question & Answers

    Ice Dams: Standing-Seam Metal vs. Composite Shingles

    Standing seam or composite shingle on eaves with vented over-roof in Zone 7? Before getting educated by Lstiburek on how to build a roof to prevent ice dams, I installed…

  • Question & Answers

    Encapsulating an Unvented Attic

    My attic has poor ventilation and while it performs well(ish) in Kansas winters, the upper level is hot in the summer. I encapsulated my crawl space and the difference was…

  • Question & Answers

    Insulating attic/kneewalls

    I have 3+ car garage with a second floor that I am finishing off as living space.  The space has kneewalls ~5 feet high, and I am trying to determine…

  • Question & Answers

    Waterproofing Help below grade basement

    We are hoping to finish our below grade basement for added space for the kids.We are in Atlanta.Our issues are:1. foundation wall cracks led to water seeping in after a…

  • Question & Answers

    T&G barn insulation

    Best way to insulate a T&G barn. Rigid foam then mineral wool. Do you need an air gap on ceiling and walls etc. Any info is appreciated!!!

  • Question & Answers

    Fiberglass in Zone 6 unvented attic?

    I have a barn in southern Colorado Zone 6 that I will be insulating. The center section is higher so I will add floor joists and an OSB floor for…