Pressure treated treated southern pine is perfect for everything from decks to raised floor foundations waterfront piers docks and boardwalks.
Floor span souther pine treated.
Also see assumptions for table development refer to sfpa s publication southern pine headers beams download in publications that includes all.
Tables listing maximum spans for southern pine joists and rafters are detailed below.
Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
The southern pine inspection bureau published new design values for all sizes and grades of visually graded southern pine dimension lumber in.
When supporting joists that span 12 feet with no overhang beyond the beam a double ply beam can span in feet a value equal to its depth in inches.
To the span in inches divided by 360 and is based on live load only.
For pressure treated southern pine no.
These maximum spans were calculated using the new design values which became effective june 1 2013applied loads are.
View joist rafter tables.
Check sources of supply for available grades and sizes.
The load duration factor c d is 1 0.
These tables can also be used to determine deck joist span.
Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.
For instance a double 2 12 beam can span 12 feet.
For example in the joist span table below the highlighted cell shows that 2 x 8 southern yellow pine joists that have a grade of 2 and are spaced 24 apart can have a maximum span of 10 feet 3 inches 10 3 if designing for a live load of 40 lbs ft 2.
The unique cellular structure of southern pine permits deep and uniform penetration of preservatives rendering the wood useless as a food source for fungi termites and micro.
A 2 2 10 can span 10 feet and so on.
Listed spans are for wet service conditions pressure treated southern pine floor deck joists mc 19.
For each application a pdf download is available.
For each application a pdf download is available.
Pressure treated southern pine southern pine s ease of treatability has made it the preferred species when pressure treatment with wood preservatives is required.
Bring the timelessness of southern yellow pine to your home with custom flooring from twin creeks log home supply.
Maximum spans were calculated using design values effective june 1 2013.
These 46 tables are based upon design values for visually graded southern pine dimension lumber that became effective june 1 2013.
2 grade there is a method that can be used for estimating beam spans.
