Floor Joist Span 40 Feet

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.

Floor joist span 40 feet.

Maximum floor joist span for no. Dead load is the weight of the structure and any fixed items. Live load represents the weight of furniture snow etc. Dead load weight of structure and fixed loads 10 lbs ft 2.

8 foot 4 10 foot 4 12 foot 4 14 foot 4. 2 grade of douglas fir are indicated below. 2 spf 2x10s will do for your floor joists. Find i joist joists at lowe s today.

Bci joists are specially constructed i joists with flanges made from strong versa lam laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives providing outstanding strength and durability. Those columns can pick up relatively small steel wide flange flush beams that will span the 25 feet across your theater and your floor joists only needing to span 13 feet can be hung from the beams. True floor joist span calculations can only be made by a structural engineer or contractor. 1 ft 0 3048 m.

Skip to main content. If you have any questions. This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction. For pricing and availability.

When making a selection below to narrow your results down each selection made will reload the page to display the desired results. Oncenter bli 40 wood i joist 14 in x 2 5 in x 16 ft. Floor trusses 5. Trusses i joists engineered lumber.

Also available for the android os. Engineered wood products ewp span and size charts for bci joists. Our joist span charts are for wood joists with a maximum dead load of 10 pounds per square foot and a live load of 40 pounds per square foot. Shop menards for a wide selection of i joists that are lightweight strong stable and can be used as floor joists.

This chart is for basic reference only. Live load is weight of furniture wind snow and more. Span calculator for wood joists and rafters also available for the android os. Oncenter bli 60 wood i joist 16 in x.