Douglas Fir Floor Joist Span Tables

2 2x10 or a no.

Douglas fir floor joist span tables.

Live load is weight of furniture wind snow and more. Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch. 2 lumber grade all joists are bridged sample floor joist span table. Ceiling joist spans for southern yellow pine douglas fir and eastern spruce.

Span tables for douglas fir larch lumber. If this is the case with your structure use the floor. 2019 california building code section 2308. Rafter spans for southern yellow pine douglas fir and eastern spruce.

For this example i ve excerpted the relevant sections from tables for hem fir douglas fir larch and spruce pine fir figure 4. Dead load weight of structure and fixed loads 10 lbs ft 2. Douglas fir larch lumber species no. 2019 residential building code r502 r802.

The table excerpt above is simply a sample and may not be valid for your region. 2 grade of douglas fir are indicated below. Maximum floor joist span for no. 2 2x12 would work.

In hem fir either a no 1 2x10 or a no. Rafters l 240 ceiling joists l 240 floor joists l 360 table 2308 7 2 2 table 2308 7 1 1 table 2308 4 2 1 2. Ceiling joists of the first floor of a two story structure often serve as floor joists for the second floor. 1 psf lb f ft 2 47 88 n m 2.

In douglas fir larch either a no. For this use the tables in design values for joists and rafters.