Nordic Floor Joist Spans

This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction.

Nordic floor joist spans. Dead load weight of structure and fixed loads 10 lbs ft 2. 2 nordic joist i joist depth i joist series knockout holes approved by apa icc es evaluation report number mill number notes. Spans are based on a composite floor with glued nailed sheathing meeting the requirements for apa rated sheathing or apa rated sturd i floor conforming to prp 108 ps 1 or ps 2 with a minimum thickness of 19 32 inch 40 20 or 20 oc for a joist spacing of 19 2 inches or less or 23 32 inch. 1 psf lb f ft 2 47 88 n m 2.

Apa performance rated i joists pris are manufactured in accordance with pri 400 performance standard for apa ews i joists form x720 this performance standard provides an easy to use table of allowable spans for applications in residential floor construction allowing designers and builders to select and use i joists from various member manufacturers using just one set of span. Compared to conventional lumber they offer many well known attributes and benefits including light weight ease of installation a variety of lengths and design options multiple spans the possibility of drilling holes. Live load is weight of furniture wind snow and more. Nordic engineered wood i joists use only finger jointed black spruce lumber in their flanges ensuring consistent quality superior strength and longer span carrying capacity.

1 ft 0 3048 m. Design properties for nordic i joists a b for si. Allowable clear span applicable to residential floor construction with a design live load of 40 psf and dead load of 10 psf. Nordic i joists provide a first rate solution for residential multiresidential and commercial construction projects.

1 lbf 4 448 n 1 lbf ft 1 356 n m 1 lbf in2 0 00287 n m2 1 inch 25 4 mm. 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 span and size charts for bci joists. Compared to conventional lumber they offer many well known attributes and benefits including light weight ease of installation a variety of lengths and design options multiple spans the possibility of drilling holes through their web and a larger surface.

Installation guide for residential floors 17x11 nordic joist. 2 grade of douglas fir are indicated below.