OneSteel Limited OneSteel Grinding Systems (OGS ... - Arrium

Using LSB ® Back-to-BackLSB is generally used as a single beam or girder. They may also beused in the back-to-back configuration. Reasons for using LSB back-toback include:• Desire for greater carrying capacity or greater span than from asingle LSB• In remodeling and other applications desire to use shallowestbeam• Desire for beams of lightest weight to facilitate movement on-site