Floor I Joist Span Chart

The highest is a fully loaded floor 70 pounds per square foot.
Floor i joist span chart. When building a house or even a deck it is important to confirm you have the correct joist sizes spans and spacing before you get started. While most residential construction uses 2x8 joists with 16 inch spacing there are many other factors you need to consider when determining the proper joist span length. There are six choices. Joist span and spacing is set by your local building code.
Bci joists are specially constructed floor i joists with flanges made from strong versa lam lvl. Floor span tables 6 9 uniform floor load plf tables 10 11 uniform roof load plf tables 12 13 roof span tables. Most lay outs are on 16 so the field is pre selected. Bci joist span and size charts available for download.
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. Low pitch 6 12 or less 14 15 roof span tables. This is how far apart they will be. High pitch 6 12 to 12 12 16 17.
Floor joist span tables for various sizes and species of wood. Select the on center spacing for the joists.