Optimum Value Engineering (OVE) or advanced framing is a framing technique developed in the 1970s. It can reduce the amount of lumber used for framing by 20 percent and preforms better thermally.
- Instead of 2x4s 16in on center, the building is framed with 2x6s 24in on center. This allows for more insulation and less thermal bridging through the studs.
- Corners are framed with two studs rather than four.
- Headers eliminated in non-load bearing walls and sized according to their specific load in other walls.
- The foundation generally calls for poured slab on grade to reduce wood for first floor framing.
- Floors are framed with I-joist.
- Roofs are built with trusses, eliminating a significant amount of wood used in conventional framing.
- Insulation rigid foam is applied to the exterior plywood to further reduce thermal bridging
Poor framing technique:
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