2x12 Floor Joist Load Capacity

Dead load is the weight of the structure and any fixed items.

2x12 floor joist load capacity. This chart is for basic reference only. But larger is not always better when builders are constructing a home or adding a room addition. Load duration factor 1 00 floor joist spans 1 12 and 1 14 clear opening 12 see requirements for use on page 23 and key example and notes on this page table 21 no. Live load represents the weight of furniture snow etc.

With an evenly distributed live load of 30 psf which the tables show the floor is able to support the total weight on the floor would be about 3 360 pounds. 1 psf lb f ft 2 47 88 n m 2. Load bearing capacity of 2x10 floor joist. 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.

Live load psf dead load psf span calculator for wood joists and rafters available for the iphone. Before the stove is installed i have to build a. I am having a new wood stove installed in my living room within the next month. Span calculator for wood joists and rafters also available for the android os.

Live load is weight of furniture wind snow and more. 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. Increasing the total weight on the floor to 4 480 pounds however results in a live load of 40 psf which is beyond the floor s load capacity. 2 grade of douglas fir are indicated below.

The extra two inches of vertical distance when a floor is framed with 2 x 10 joists rather than 2 x 12s can be quite important for example. Floor joist span tables for various sizes and species of wood. 1 southern pine lumber clear opening 1 ply 2 ply 3 ply 4 ply 2 x 6 2 x 8 2 x 10 2 x 12 2 x 6 2 x 8 2 x 10 2 x 12 2 x 6 2 x 8 2 x 10 2 x 12 2 x 6 2 x 8 2 x 10 2 x. If you have any questions.

Common sense tells you that large floor joists can carry more load and spacing joists closer together also increases the load bearing capacity of a floor.