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  1. How to insulate floor truss design on rim ends and field ...

    Dec 5, 2023 · I have floor trusses and they are 1.5″ wide by 20″ tall along with 2×6 wall framing upstairs and downstairs with osb sheeting on outside with wrap. I am doing batts everywhere …

  2. Floor truss spacing and sub-floor options for a "stiff" floor ...

    Aug 5, 2017 · I am currently building a slab on grade home, with 24" deep open web floor trusses (24" selected with the intent of having (2) 20x21" house long chases to run low velocity HVAC …

  3. Deflection for a Stiff Floor - GreenBuildingAdvisor

    May 1, 2021 · This is a great question. People with I-joists and floor trusses that span long distances, and are engineered for safety and code compliance have actually found the …

  4. Floor Truss System - GreenBuildingAdvisor

    Feb 7, 2022 · Most “real” lumber yards (not the BigBox stores) will design, size and price your floor truss options including centers of columns, hardware needed if any etc. Floor trusses are …

  5. Use Plenum Trusses To Keep Ducts Out of Your Attic

    Jan 15, 2014 · That’s where the ducts will go. How to use the plenum truss reverse bulkhead First, IBACOS did this project with a production builder in California. The homes were all one …

  6. Using Open-Web Trusses as Rafters for Superinsulated Roofs

    Dec 6, 2012 · Last week I wrote about an innovative foundation insulation material, Foamglas, that we used in our new house in Dummerston. This week I’ll talk about the open-web rafters …

  7. Problems with Attic Trusses - GreenBuildingAdvisor

    Feb 14, 2024 · The insulation then runs across the lower-level ceiling. Achieving a good level of airtightness is difficult when using the floor, walls, and ceiling of the attic truss for conditioned …

  8. ICCF Foundation with Open-Web Floor Trusses

    Oct 27, 2021 · The open-web joist floor framing—14-in. joists spaced 24 in. on center—houses most of the plumbing lines and utilities, keeping them inside the thermal envelope. While we …

  9. Top chord bearing floor truss and ICF detail - GreenBuildingAdvisor

    Feb 13, 2025 · I’m in process of designing a project and we are at a point of heading in the direction of using Nudura ICF forms and due to client programming goals, finished floor close …

  10. Connecting Interior walls and trusses? - GreenBuildingAdvisor

    Jun 24, 2024 · I believe that scissor truss geometry would result in less uplift than a flat-bottomed truss, but I would still be cautious, and either use the Simpson hardware that allows for …