Laminate Floor Joist Span Table

Versa lam laminated veneer lumber lvl beams and headers eliminate twisting shrinking and splitting and deliver flatter quieter floors and structures.

Laminate floor joist span table. Our versa lam lvl is manufactured in either alexandria lena louisiana in eastern united states or in white city oregon for the western united states. Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1. 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.

Joist span table use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs ft 2 or 40 lbs ft 2. These spans were calculated using our floor joist calculation engine. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.

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. Bci joists are specially constructed i joists with flanges made from strong versa lam laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives providing outstanding strength and durability. Engineered wood products ewp lvl span and size charts.

These span tables are the equivalent of other industry standard span tables and are calculated to the same standards. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. Engineered wood products ewp span and size charts for bci joists.

Such as simpson strong tie component solutions may be used to size rigidlam lvl floor joists. Article may contain affiliate links. Standard wooden floor joist specifications on kit home floor systems utilise 450mm 18 centres and double laminated joists at either end.

Most joist fixing set ups are square set directly on the bearers with skew nailing and triplegrips. This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance. Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size.