Douglas Fir Floor Joist Span Tables

2 2x10 or a no.

Douglas fir floor joist span tables.

Ceiling joist spans for southern yellow pine douglas fir and eastern spruce. In douglas fir larch either a no. 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. 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. 2 2x12 would work. Maximum floor joist span for no. 2019 california building code section 2308.

In hem fir either a no 1 2x10 or a no. 2019 residential building code r502 r802. Rafter spans for southern yellow pine douglas fir and eastern spruce. Span tables for douglas fir larch lumber.

Joist span tables use these tables to determine lengths sizes and spacing of ceiling joists. 1 ft 0 3048 m. If this is the case with your structure use the floor. 1 psf lb f ft 2 47 88 n m 2.

Ceiling joists of the first floor of a two story structure often serve as floor joists for the second floor. For this use the tables in design values for joists and rafters. Live load is weight of furniture wind snow and more. 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.

The table below shows the maximum span for a floor joist with the following designations. The table excerpt above is simply a sample and may not be valid for your region.