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  1. Trus Joist Technical Support
  2. Design
  3. Technical Bulletins

Technical Bulletins

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  • TB-101 Information About Creep
  • TB-104 Information About Floor Performance
  • TB-105 Elevated Garage Floors with Weyerhaeuser Structural Composite Lumber
  • TB-108 Designing Indoor Pools
  • TB-112 Moisture Effects on Weyerhaeuser Engineered Wood Products
  • TB-120 Engineer’s Seal Requirements for I-Joists, SCL and Plated Trusses
  • TB-122 Regulation of Wood Packaging Material in International Trade
  • TB-125 Wind Uplift Design for Trus Joist TJI Roof Joists
  • TB-127 Position on Preservative Treated Glued Laminated Timber Products
  • TB-128 Moisture Protection for Wood-Framed Balconies, Decks and Elevated Walkways
  • TB-203 Attaching Fire Sprinkler Components to Trus Joist® Products
  • TB-206 Fastener Spacing for Trus Joist Products
  • TB-213 Flood-Damage-Resistant Material Considerations
  • TB-216 Stacking Gypsum Board on Floor Framing During Construction
  • TB-217 Trus Joist® Coastal Construction Guide
  • TB-219 Large Concentrated Loads on Rim Board
  • TB-224 Guidelines for Notches in Rim Board
  • TB-225 LRFD Format Conversion Factors for Weyerhaeuser TJI® Joists
  • TB-226 A Supplement to Weyerhaeuser’s Fire-Rated Assemblies and Sprinkler Systems (TJ-1500)
  • TB-304 Deck Ledger Attachment to Rim Board
  • TB-305 Resawing Microllam® LVL, Parallam® PSL and TimberStrand® LSL Products
  • TB-310 Use of Topical Coatings with Weyerhaeuser Engineered Wood Products
  • TB-314 Fire Retardant Coatings of Weyerhaeuser Engineered Wood Products
  • TB-315 Preservative Wood Treatments of Weyerhaeuser Engineered Wood Products
  • TB-316 Forklift Recommendations for Trus Joist® Structural Composite Lumber
  • TB-319 Weyerhaeuser Engineered Wood Products Header-Off Span Table
  • TB-500 Design Guide for 20”, 22” and 24” 2.0E Microllam® LVL
  • TB-501 Performance of Microllam® LVL with Watershed™ Overlay
  • TB-602 Parallam Plus PSL and the International Building Code
  • TB-603 Achieving Drainage slope with Parallam® Plus PSL
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