Maximum Span For 2x6 Ceiling Joist
Maximum clear span of ceiling joists in metres.
Maximum span for 2x6 ceiling joist. Tables assume a minimum c16 structural grade timber not all timber is structurally graded ensure you purchase the right material. We ve included 2x6 2x8 2x10 and 2x12 joist spans and more. 2 grade of douglas fir are indicated below. Size of ceiling joist.
If this is the case with your structure use the floor joist table to determine maximum joist length load. 400mm 450mm 600mm 97 x 47 1 84 1 81 1 74 122 x 47 2 43 2 38 2 27 147 x 47 3 08 3 02 2 87 170 x 47 3 74 3 67 3 46 195 x 47 4 41 4 31 4 07 220 x 47 5 08 4 96 4 67. Also available for the android os. See our complete chart of floor joist size span and spacing requirements before you build.
Before building a composite deck always read the installation instructions from the manufacturer paying special attention to the required joist spacing for composite decking. 1 ft 0 3048 m. For other grades and species and for other loading conditions refer to the awc stjr. This will support a room ceiling that is 10 feet long on one side as in 10 foot by 15 foot or 10 foot by 17 foot rooms which is a standard dimension for many rooms in residential construction.
1 psf lb f ft 2 47 88 n m 2. Some builders reduce joist spacing to 12 on center to strengthen the deck frame or to increase maximum allowable joist spans. Spans for ceiling joists shall be in accordance with tables r802 4 1 and r802 4 2. Span calculator for wood joists and rafters also available for the android os.
Joist span tables use these tables to determine lengths sizes and spacing of ceiling joists. Ceiling joists of the first floor of a two story structure often serve as floor joists for the second floor. Table r802 4 1 ceiling joist spans for common lumber species uninhabitable attics without storage live load 10 psf l δ 240. Dead load weight of structure and fixed loads 10 lbs ft 2.
Sixteen inch oc spacing of ceiling joists made from 2 southern pine allows for a maximum 13 inch span length. Live load is weight of furniture wind snow and more. Joist spacing for composite decking.