Roof Truss Span Chart - cascade-mfg-co.com

Roof Truss Span Tables15 Alpine Engineered ProductsTop Chord2x4 2x6 2x62x4 2x6 2x62x4 2x6 2x62x4 2x6 2x6 Bottom Chord2x4 2x4 2x62x4 2x4 2x62x4 2x4 2x62x4 2x4 2x62/1224 24 3327 27 3731 31 4333 33 29 3933 33 4537 38 5239 40 553/1234 34 4637 39 5340 44 6043 46 39 5341 44 6144 50 6547 52 704/1241 43 5943 49 6446 56 6949 57 745/1244 52 67*46 58 69*49 66 74*53 66 80*6/1246 60* 69*47 67* 71*51 74* 76*55 74* 82*7/1247 67* 70*48* 72* 72*52* 77* 77*56* 80* 83*2/1224 24 3325 27 3827 31 4129 32 29 4029 32 4331 37 4633 37 493/1230 33 4531 37 4734 42 5036 42 37 49*34 41 51*36 46 54*39 46 58*4/1235 41 52*36 45* 54*39 50* 58*42* 49* 62* Other pitch combinations available with these spansFor Example, a 5/12 - 2/12 combination has approx.

Alpine truss designs are engineered to meet specific span, configuration and load conditions. The shapes and spans shown here represent only a fraction of the millions of designs produced by Alpine engineers. Total load(PSF) Duration factor Live load(PSF) Roof type 55 1.15 40 snow shingle 55 1.15 30 snow tile 47 30 snow 40 20 snow 1.25 20 ...

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