Wood Roof Truss Span Tables, 30 Different Types Of Roof Trusses Illustrated Configurations

Garage attic ion the journal board.

Oyster gray roof shingles. Roof floor truss manual 73108 1043 am page 12. 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 212 24 24 33 27 27 37 31 31 43 33 33 46 2512 29 29 39 33 33 45 37 38 52 39 40 55 312 34 34 46 37 39 53 40 44 60 43 46 64 3512 39 39 53 41 44 61 44 50 65 47 52 70. A maximum roof pitch of 25 degrees is assumed.

October 28 2017 by zamira leave a comment. 72 5 0 mi ni m u m girder floor truss floor truss jacks a a bearing wall girder floor truss floor truss jacks bearing wall cantilevered floor truss two 2x rim joists 24 max. 05425 cold formed steel trusses roof truss spans every trussteel roof truss is a custom design based upon the unique load span bearing use and code criteria of a particular project.

And parallel to floor truss span strongback lateral supports 24 max. Deflection for 30 psf live load. Strength live load of 30 psf plus dead load of 10 psf determines the required bending design value.

You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Keep in mind that these tables are for estimations only. Ceiling joist and rafter spans home owners work.

Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. 30 diffe types of roof trusses roof truss endix 1 8 13 span tables city of garage attic ion the 30 diffe types of roof trusses. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91.

Surveyors span tables for designing roof rafters. Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e1800000 psi duration of load 100. Limited to span in inches divided by 360.

You can use sbcas span charts to roughly determine truss sizes available. Technical diagram span tables f7 rafters on page 35 30mm m aximum allow able sp ans mm sheet roof spacing mm rafter size 600 760 900 1000 1200 66 x 30 1250 1150 1050 1000 950 90 x 30 1650 1550 1550 1400 1300 138 x 30 2600 2300 2150 2000 1800 185 x 30 3000 2650 2450 2350 2150 230 x 30 3050. The load span tables shown below demonstrate only a tiny subset of the possible combinations available with trussteel cfs roof trusses.

For pitched roofs flat roofs and ceiling joists. Surveyors and structural engineers utilise data from tables below to help calculate the correct size strength and centres of roof timbers for the required spans and loadings. Included are a series of representative roof truss span tables that will give you an idea of the truss spans available for a particular load condition load duration lumber type and truss configuration.

Attic truss span table.