![]() ![]() Use ForteWEB to determine solutions for conditions beyond the. For Canada switch to Canada Sizing Table Lookup. For residential use, common Microlam sizes include 3.5 x 7.25 or 3.5 x 9.25 for spans up to 6 feet with loads up to 30 PSF, and 7 x 11.25 or 9.25 x 11.25 for spans between 12-16 feet with loads of 50-70 PSF. Installation details can be found throughout TJ-9000 (EAST) TJ-9020 (WEST) - our beams, headers, and columns specifier’s guide.Īs with most things, this document has its limitations. Use the drop downs below to select your loading, house width, and material to calculate the appropriate size of TimberStrand or Parallam ridge beam. Microlam beam size depends on factors like span and load. 7 8', 14', 16', 18', 20', 24' Weyerhaeuser Rim Board. member listed in the Span Tables is taken from Table 2.5 in AS1720. Required information to adequately size a member: Available sizes include: Width: 1¾' Depths: 5½', 7¼', 9¼', 9½', 11¼', 11.
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