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Advanced Framing Techniques

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  1. Advanced Framing Techniques Andrew Gordon Energy Specialist Washington State University Extension Energy Program

  2. Benefits of Advanced Framing • Reduce Material Cost • Reduce Labor And Construction Time • Save Energy • Save Natural Resources

  3. Benefits of Advanced Framing • Reduce Waste • Increase Comfort • Reduce Drywall Cracking

  4. “Drawbacks” of Advanced Framing • “We don’t do it this way.” • “We’ve never done it this way.” • “We don’t intend to start!”

  5. WSEC Recognizes Three Types of Framing • Standard Framing • Intermediate Framing • Advanced Framing

  6. Standard Wall Framing • Studs at 16” o.c. (double top plate and single bottom plate) • Three stud corners • Double 2X or 4X headers • 2 studs at interior/exterior wall intersections • 23% of the wall is studs and headers

  7. Standard Framing C B A

  8. Intermediate Wall Framing • Studs at 16” o.c. (double top plate and single bottom plate) • Two stud corners or other means to fully insulate corners • Openings framed with two studs (king stud and cripple) • R-10 headers • Fully insulated interior/exterior wall intersections • 22% of the wall is studs and headers

  9. Intermediate Framing C B

  10. Advanced Framed Walls • Studs at 24” o.c. (can be a double top plate and single bottom plate) • Two stud corners or other means to fully insulate corners • One stud is used to support each header • R-10 headers • Fully insulated interior/exterior wall intersections • 17% of the wall is studs and headers

  11. Advanced Framing C B

  12. Ceilings • Standard Framed Attics • Insulation is tapered at the exterior wall line • Advanced Framed Attics • Full and even insulation depth to the outside edge of the exterior walls • Raised heel or oversized trusses

  13. Advanced Framed Roof

  14. Advanced Framing www.eren.doe.gov/buildings

  15. Exterior Corners

  16. Interior/ Exterior Wall Intersections

  17. Essential Hardware If using a single top plate-remember to align trusses with wall studs Hardware used to eliminate cripples at wall openings

  18. Building Code Issues? • IRC braced wall requirements must be met in certain seismic zones. • All areas in Western Washington require braced wall panels for SFR’s • Inspectors may be unfamiliar with advanced framing techniques

  19. Code Requirements Select an Engineer that is willing to take on the work

  20. Foam Sheathed Walls Energy efficiency and mold protection

  21. Benefits of foam sheathing • Increased energy efficiency • Stops thermal bridging at studs • Moves dew point out of wall cavity

  22. R-21 Vapor Dew Point X Outside – 300 X Inside – 700 X Condensing Surface

  23. Thank you!