Treated Pine Pergola Beam Span Chart

For pressure preservative treated southern pine no.

Treated pine pergola beam span chart. Effective june 1 2013. Diy pergola guide measuring pergola dimensions learn measuring pergola dimensions learn pergola beam span calculator span tables for 8 x12 x24 western red. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. 2 grade there is a method that can be used for estimating beam spans for a preliminary design.

Chemically treated using an organic h3 losp preservative for. Go much above that unsupported and you re looking at a reinforced beam. Dense elect structural select structural nondense structural no 1 dense no 1 nondense no 2 dense. Member span is not suitable for rafter spacing greater than 600mm.

Patio roof maximum beam rafter spans beamsmeasuring pergola dimensions learn the standardwhat is max distance between posts using 2x12x20 foot beams for apergola beam span calculator pergolacanopyideas pergolayou measuring pergola. Generally speaking though it is recommended that for a 12 span you will need at least 2 x 8 treated or hardwood timber or more. Loads are assumed to be uniformly applied to a simple span condition. Of visually graded southern pine dimension lumber maximum spans in feet inches.

Table includes the weight of the beam in the allowable load values. Table 1 floor joists 30 psf live load 10 psf dead load 360 deflection. Pergola or carport beams tables 2l and 2h list the sizes and spans for pergola or carport beams in low wind speed and higher wind speed areas. Pergola beams posts handrails type i as nzs1328 examples.

Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. For southern pine. Table 2l pergola or carport beams wind classifications n1 n2 n3 and c1 member size roof load width 1500 3000 4500 6000 1500 3000 4500 6000 maximum beam span mm single span continuous span. From h3 losp radiata to either an f7 or gl8 structural grade and are to be used in accordance with the relevant span table.

1 refer to general notes for information that is relevant for all span tables. 3 for design parameters refer to figure 6 22 as1684 2 and 3. 2 denotes 600 mm rafter spacing only. Designers are to understand table limitations and apply them appropriately.

There seems to be no definitive beam spans for pergolas unfortunately.