I-Joist Technical Information

Updated October 2020:

KOTT I-Joist Design Guide  – span tables, hole charts and physical properties for LPI 20Plus, AJS 140, NJ40H/AJS 150, NJ60H/AJS 20, NJ40U/AJS 24, NJ60U/AJS 25 – all depths

Installation Guide  – LPI 20Plus, AJS 140, NJ40H/AJS 150, NJ60H/AJS 20, NJ40U/AJS 24, NJ60U/AJS 25

Older versions:

KOTT I-Joist Design Guide – Nascor – span tables, hole charts and physical properties for Nascor Original series (NJH10, NJH12, NJH14, NJH16)

Installation Guide – Nascor – Nascor Original series (NJH10, NJH12, NJH14, NJH16)