Roof Truss 2x4 Or 2x6

4 oc 25 5 0 5 psf truss member sizing no ceiling dimensional lumber required.

Roof truss 2x4 or 2x6. Structural capacity of 2x4 vs 2x6 from a structural engineer. 72 24 40 2x6 1. For roofs that will experience heavy snow or wind and will span the same distance use 2 6 rafters. A single spf 2 9 2x4 that s restrained laterally by sheathing or blocking can support 1820 lbs and a similar 2x6 can support 7061 lbs without buckling almost 4 x as much.

That is exactly what i have double trusses on each side of a post on 12 centers. Roof truss span tables alpine engineered products 15 top chord 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 bottom chord 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2 12 24 24 33 27 27 37 31 31 43 33 33 46 2 5 12 29 29 39 33 33 45 37 38 52 39 40 55 3 12 34 34 46 37 39 53 40 44 60 43 46 64 3 5 12 39 39 53 41 44 61 44 50 65 47 52 70. The cross sectional area of 2x4 16 and 2x6 24 is almost identical. Reader dave in michigan writes.

72 24 36 2x6 1. You can use either 2 6 or 2 4 rafters for roofs with a 3 12 pitch or greater but it depends on the overall size of your shed. So for direct compression not considering buckling they have the. My question is can i use 2 x 4 on edge spaced.

For roofs that won t experience heavy snow loads a gable roof can span up to 22 with 2 4 rafters. 72 24 24 2x4 2. Hi i saw on your webpage the pole barn guru stated the trusses could be spaced 12 apart i called and was told it is a double truss one on each side of a post that is on 12 centers.