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.
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.
Tables listing maximum spans for southern pine joists and rafters are detailed below.
For each application a pdf download is available.
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.
Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
To the span in inches divided by 360 and is based on live load only.
These 46 tables are based upon design values for visually graded southern pine dimension lumber that became effective june 1 2013.
Bring the timelessness of southern yellow pine to your home with custom flooring from twin creeks log home supply.
2002 standard grading rules for southern pine lumber.
Also see assumptions for table development refer to sfpa s publication southern pine headers beams download in publications that includes all.
For pressure treated southern pine no.
Listed spans are for wet service conditions pressure treated southern pine floor deck joists mc 19.
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.
As the hardest of all soft wood species southern yellow pine has maintained its status as a favorite building material among contractors and homeowners alike due to its availability durability and lasting beauty.
Tables providing allowable floor loads c d 1 0 and allowable roof loads c d 1 15 and c d 1 25 for southern pine dimension lumber and southern pine glued laminated timber are detailed below.
The load duration factor c d is 1 0.
2 grade there is a method that can be used for estimating beam spans.
Check sources of supply for available grades and sizes.
For each application a pdf download is available.
Maximum spans were calculated using design values effective june 1 2013.
View joist rafter tables.
These tables can also be used to determine deck joist span.
Pressure treated southern pine southern pine s ease of treatability has made it the preferred species when pressure treatment with wood preservatives is required.