Cbc Floor Joist Span Tables

Table r802 4 1 ceiling joist spans for common lumber species uninhabitable attics without storage live load 10 psf l δ 240.

Cbc floor joist span tables. Floor joist spans for common lumber species residential living areas live load 40 psf l 360 dead load 10 psf dead load 20 psf 2x6 2x8 2x10 2x12 2x6 2x8 2x10 2x12. Span ft 1 5 2 0 2 5 3 0 3 5 2 30 22 18 15 13 4 59 44 36 30 25 6 89 67 53 44 38 8 119 89 71 59 51 10 148 111. Floor joist span tables for various sizes and species of wood. Joist span table use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs ft 2 or 40 lbs ft 2 these tables can also be used to determine deck joist span.

Of bearings and is based on uniformly loaded joists. 03 01 2014 page 1 of 2 8 9 footnotes. The floor joist span tables are based on the loadings given in the amended version of bs 6399 1 which is an imposed load of either a uniformly distributed load of 1 5 kn m or a concentrated load of 1 4 kn. Design properties 16 floor span and load tables 17 allowable holes 18 roof span and load tables 19 cantilevers 20 21.

Table r802 4 1 ceiling joist spans for common lumber species uninhabitable attics without storage live load 10 psf l δ 240. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. The spans are based on simple span joists. Joists design properties 6 floor span and load tables 7 8 tips for preventing floor noise 8 allowable holes 9 cantilevers 10 11 roof span and load tables 12 13 framing connectors 14 15 section 2.

For other grades and species and for other loading conditions refer to the awc stjr. Span tables for joists and rafters 3 american wood council table 9 1 required compression perpendicular to grain design values f c in pounds per square inch for simple span joists and rafters with uniform load. For other grades and species and for other loading conditions refer to the awc stjr. 1 used under dry conditions with lumber moisture co ntent less than 16 percent at time of installation.

Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. Span tables building division 5510 overland ave suite 110 san diego ca 92123 858 565 5920 888 336 7553 http www sdcpds org pds 415 rev. Other span tables are based on the guidance given in bs 5268 7 1 which is a uniformly distributed load of 1 5kn m for spans greater than. Spans for ceiling joists shall be in accordance with tables r802 4 1 and r802 4 2.

Spans for ceiling joists shall be in accordance with tables r802 4 1 and r802 4 2. View joist rafter tables.