Joist Span Patio Roof Beam Span Table

600 mm overhang max.

Joist span patio roof beam span table.

Trus joist tji joist specifier s guide tj 4000 july 2019. Dimensional lumber deck beam span chart. Flat roof span tables allow for a maximum roof pitch of 5º. Maximum building height 4 8 m single span up to 600mm overhang 100 x 50 mm alyspan beam single span max.

A double 2x12 beam can span 12 feet. Jan 15 2017 a simple buying guide for beams and rafters that support patio roofs. 9 16 tji joists design properties 6 floor span and load tables 7 8 tips for preventing floor noise 8 allowable holes 9 cantilevers 10 11 roof span and load tables 12 13 framing. The figures are based on quality materials.

In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. The tables below give maximum spans for rafters and beams. Click on a span to generate a full calculation you can adjust the exact span. Roof pitch use recommended minimum roof pitches as specified by roof sheet supplier.

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. A 2 2x10 can span 10 feet and so on. Adjacent building height 4 8 m w maximum allowable span mm n1 n2 n3 n4 n5 1500 3300 3300 2800 2500 2200 1800 3100 2700 2300 2100 2100 3000 2600 2300 2000. Posted on april 20.

Permissible clear spans for flat roof joists to bs 5268 7 2 find the column for your dead load and spacing and the row for your timber size to find the permissible clear span in metres. Treated glulam beams wood patio covered beam cover span unique open porches design exterior wall headers jlc deck joist size span tables by alter eagle decks deck design determining needed materials. This span table is to the format and methodology given in bs 5268 7 2. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.

Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size. Fire safe construction 3 floor performance and tj pro rating 4 5 section 1. The numbers in gray indicate the distance between the support posts. Span tables for case 1.

Deck roof beam span table. Includes size and spacing tables for load bearing and links to related articles.