Selecting hardwood for different projects can be an overwhelming even because that the pros. If she planning to use 2x6s for joists, rafters, decking, beams, or headers, you’re probably wondering how far can a 2×6 expectancy without support? expectancy depends on wood types and grade, use, spacing in between members, and also potential loads. If she finding this confusing, we’re below to help.

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The maximum street a 2×6 deserve to span, follow to the 2018 IRC, for a floor joist, is 12’-6”, ceiling joist 20’-8”, rafter 18’-0”, deck board 24”, deck joist 9’-11”, deck beam 8’-3”, and 6’-1” together for header. Constantly check the codes because that determining components or above a structure Engineer.

In this guide, we’ll talk about what span method in construction, how far a 2×6 can expectations without support, and how much weight it can support. We’ll additionally explore how far a 2×6 have the right to reach together a floor or ceiling joist, and also as a rafter. Additionally, we’ll define 2×6 decking and also deck joist spans, 2 and 3 ply deck beam spans, and header spans therefore you have actually the details needed for her 2×6 building projects.

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A dual 2×6 deck beam expectancy over foundation supports or articles is determined by load and also the expectations of the deck joists. For decks v a live load of 40psf, a dead pack of 10psf, and a joist expectations of 6’ or less, the 2×6 beam expectations would be 6’-11” for southerly pine. For most other lumber species, the span would it is in 5’-5”. Because that joist spans of 8’ or less, the beam expectancy is 5’11” and also 4’-8” respectively, and also 5’-4” and also 4’-2” if the expectations is 10’ or less.

A twin 2×6 header deserve to span in between 2’-1” and 6’-0” for exterior wall surfaces depending on structure width, snow load, variety of floors, and location and number of bearing walls. Structure width and also the number of floors room the main factors that impact header spans for internal walls. Interior headers can span in between 3’-6” and 6’-1” for single-story structures, and also 2’-5” and 3’-11” because that two-story buildings.

Triple 2×6 Beam Span

A triple 2×6 beam supporting a dead load of 10psf, a live pack of 40psf, and also deck joists spanning 6’ or much less can expectancy 8’-2” for southerly pine and also 7’-4” for most other timber species. If the joist span is 8’ or less, the spans space 7’-5” and 6’-8” respectively, and 6’-8” and also 6’-0” if the joist expectations is less than or equal to 10’.

Triple 2×8, 2×10, and also 2×12 headers because that exterior and interior wall surfaces are established in the structure codes, however triple 2×6 headers are not. A triple 2×6 header may still be used, however a structural Engineer needs to review and stamp the design. Realistically, it would certainly be easier and also probably cheaper to instead of a twin or triple header of greater dimensional lumber.

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Conclusion

A 2×6 can span between 2’-1” and also 20’-8” depending upon wood types and grade, the usage or purpose, loads, location, inner or exterior use, and also other factors. Come ensure the span is compliant through the code, always reference the building code, your local building department, or a structural Engineer. Hopefully, this guide has proved beneficial in determining the 2×6 spans for your structure project.