Does anybody have a span chart for dimensional lumber?
From Table R503.3.1(1) Residential sleeping areas – Joist Spacing 12″ – 2 x 10 – Spruce-Pine-Fir #3 (worst case/shortest allowed) – 20 psf – 13’5″ span – Joist Spacing 16″ – 2 x 10 – Spruce-Pine-Fir #3 (worst case/shortest allowed) – 20 psf – 11’8″ span – Joist Spacing 12″ – 2 x 10 – Douglas fir-larch SS (best case/longest allowed) – 20 psf – 21’0″ span – Joist Spacing 16″ – 2 x 10 – Douglas fir-larch SS (best case/longest allowed) – 20 psf – 19’1″ span From Table R503.3.1(2) Residential living areas – Joist Spacing 12″ – 2 x 10 – Spruce-Pine-Fir #3 (worst case/shortest allowed) – 20 psf – 12’3″ span – Joist Spacing 16″ – 2 x 10 – Spruce-Pine-Fir #3 (worst case/shortest allowed) – 20 psf – 10’7″ span – Joist Spacing 12″ – 2 x 10 – Douglas fir-larch SS (best case/longest allowed) – 20 psf – 19’1″ span – Joist Spacing 16″ – 2 x 10 – Douglas fir-larch SS (best case/longest allowed) – 20 psf – 17’4″ span You can see why species (and grade) are needed to make an informed decision on what mi
