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2 in. x 10 in. x 10 ft. #2 Premium Grade Fir Dimensional Lumber Pound for pound, fir is one of the strongest western soft woods. This wood is used in the manufacturing of more products than any other lumber .
Use the span tables in the links below to determine the maximum allowable lengths of joists and rafters. These tables provide maximum spans for the #2 grades of four common species of lumber (Southern Pine, Douglas Fir, Hem-fir, and Spruce-pine-fir (SPF).
As the table shows, no 2×8’s meet the span and spacing requirements, but a 2×10 with an E of 1,300,000 psi and Fb of 1093 psi can span 15 feet 3 inches – more than enough. A 2×12 with an E of 800,000 psi and Fb of 790 psi also works, since it can span 15 feet and 10 inches.
A #2-2×10 joist can span between 11’-5” and 18’-0”, as a rafter between 13’-9” and 21’-7”, and as a beam 3’-6” and 13’-0” or more. The span depends on spacing, lumber species, and grade, and for a beam, the lamination thickness, as well as numerous other factors.
Get the iLevel 2 in. x 10 in. x 12 ft. Pine S4S Lumber 50365, #2 prime grade has been dried in a kiln to reduce moisture and features smooth, consistent surfaces from The Home Depot
The Hampton Lumber 2 in. x 10 in. x 12 ft. Fir offers a versatile piece of lumber that can be used in interior or exterior applications with the proper treatment.
2-inch x 10-inch x 16-ft SPF Premium 2Btr Grade Lumber SPF Square Edge Lumber. Every piece meets the highest grading standards for strength and appearance. Dimensional lumber is ideal for a wide range of structural and non-structural applications including framing of houses, barns, sheds, and commercial construction.
