Roof Deck Span Load Table

Thickness shown in the steel deck institute sdi design manual.

Roof deck span load table. Does not warrant the accuracy of the information and graphs resulting from these calculations. The ends of these members must be able to resist these loads without crushing. All information and. Table 9 1 in span tables for joists and rafters figure 5 gives a required compression value of 237 psi for a span of 16 feet and bearing length of 1 5 inches.

Beam span maximums are based on a maximum anticipated live load. Roof deck maximum loads. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Building codes for residential decks only require 40 psf.

Roof rafter span use this table to determine the maximum lengths of roof rafters based on species and grade of lumber spacing dimensions load and slope. Fewer posts on upper level decks are typically more desirable to the occupants and this drives the use of larger framing materials for longer spans. Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size. Roof load limited by bending.

Our new interactive deck tools provide the fastest way to generate your load tables and diaphragm designs for roof composite and form deck. Two inch nominal thickness allowable roof load limited by deflection. Load tables are calculated using section properties based on the steel design. Roof deck maximum spans.

A dead load of 10 psf has been included. Loads shown in the shaded areas are governed by the live load deflection. The following load span tables apply to apa trademarked structural use panels qualified and manufactured in accordance with apa prp 108 performance standards and qualification policy for structural use panels form e445 voluntary product standard ps 2 04. The species of lumber size of lumber and the load it carries.

For more information regarding canam steel deck please refer to the steel deck or contact our experts by phone at 1 866 466 8769 or online. Simply input your project data and our tool will customize your load tables or diaphragm designs from among more than 73 000 permutations. Check out our newest deck tools. Three and four inch inch nominal thickness allowable roof load limited by bending simple span and controlled random layups 3 or more spans.

View joist rafter tables. Three and four inch nominal thickness.