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The following materials selections have been added for roof and floor joists in Sizer. These will appear in version 8.11 even if you choose to retain you material customisations from previous versions, however, if you do so, it will be necessary to activate the new materials using Database Editor.
Built-up Joists
Sizer now allows you to select built-up lumber joists to implement designs in which joists are doubled up. A database file has been added to the installation containing only joist members that are 2” nominal thick (38.1 mm) for built-up design. The number of plies for built-up joists is limited to 2 to avoid designing unrealistic members.
Refer to Bug
LVL Joists
Sizer now allows you to select LVL materials as joists; it was previously limited to LVL beams. A built-up joist LVL database has been included, allowing you to double up the joists. Note that unlike the built-up lumber joist database, the thicker 3.5” sections are included, and if these are selected, the number of plies should be set to 1. The number of plies is limited to 2 to avoid designing unrealistic members.