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  1. Building & Construction
    Designing a new house and looking at different insulation/decking options. I had planned on doing Zip panels for decking, with 4" of spray foam on the underside, but I've decided to go with ductless mini split for heat/air so im not sure if it's necessary to condition the attic. Now planning...
  2. HVAC
    Hi, Is there code or rule of thumb for the length of a zip-in screw for attaching the joints of round ductwork? I have a couple of bathroom exhaust fans that will be using galvanized 6" diameter rigid duct for one fan and 4" for the other. The connections of joints will be maximum two layers of...
  3. Building & Construction
    Any thoughts on the Zip System sheathing? I viewed some of their videos and read through some of their comparisons, but would like some non-company views. I've heard that it is about 30% more in cost in materials and labor over using standard sheathing and house wrap. Plus they said that...
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