Technical Bulletins
- TB-000 Technical Bulletin Index
- TB-101 Information About Creep
- TB-102 Information About Duration of Load
- TB-104 Information About Floor Performance
- TB-105 Garage Floor Design Guidelines
- TB-108 Designing Indoor Pools
- TB-112 Moisture Effects on Weyerhaeuser Engineered Wood Products
- TB-114 Product Application Assurance
- 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-214 Specification of Trus Joist EWP using Non-Weyerhaeuser Software
- 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-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-500 Design Guide for 20”, 22” and 24” 2.0E Microllam LVL
- TB-501 Performance of Microllam LVL with Watershed Stability Overlay
- TB-602 Parallam Plus PSL and the International Building Code
- TB-603 Achieving Drainage slope with Parallam® Plus PSL
- TB-604 2.0E and 2.2E Parallam® PSL Axial Column Capacity
- TB-608 Solid Support with Parallam® PSL Free Standing Columns
- TB-609 Eastern Parallam® PSL Frequently Asked Questions
- TB-702 TimberStrand LSL Conversion Tables