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EWP Technical Notes
If you are looking for specific information and do not wish to download the entire Glulam Technical Guide, click on one of the individual tables listed below.
The following documents require Adobe Acrobat Reader.
Rosboro Glulam Technical Guide
This 52-page booklet contains everything you need to know about selecting, specifying and working with glulam. It also covers topics such as beam lay-up, appearance classifications, camber, typical applications, the effects of moisture, the notching and drilling of glulam, and tips for storing, handling and repairing appearance defects.
Download a PDF (2 MB Adobe Acrobat file) version or request a printed copy.
Rosboro Custom Glulam
To learn more about Rosboro's expanded custom glulam capabilities click here
Rosboro Glulam Technical Guide Table Excerpts
The following documents require Adobe Acrobat Reader.
All Products
Design Values (82 KB)
Available Sizes and Characteristics (171 KB)
Application (beam selection) Tables (196 KB)
Solid Sawn Substitution (61 KB)
Rosboro All Products Brochure (1.8 MB)
BigBeam¨
Design Properties (108 KB)
Allowable Loads Tables (242 KB)
ESR 1937 (197 KB)
City of Los Angeles - RR#25649 (32 KB)
Rosboro BigBeam Brochure (433 KB)
BigBeam Comprehensive Overview
Rosboro Stock Glulam
Design Properties (105 KB)
Glulam Allowable Load Tables (952 KB)
Glulam Weight Tables (92 KB)
Special Inspection of Glulam - Change in the 2007 California Building Code (44 KB)
Rosboro Glulam Brochure (261 KB)
1.8 IJC
Design Properties (108 KB)
Allowable Loads Tables (104 KB)
1.8E IJC Brochure (1.5 MB)
RMTTM
Allowable Loads Tables (116 KB)
RMTTM Columns (26 KB)
DSA Approval (124 KB)
IR 23-10 California DSA (121 KB)
Rosboro RMT Brochure (1 MB)
Rosboro Treated Glulam
Allowable Loads Tables - Dry (470 KB)
Treated Glulam Columns - Dry and Wet (69 KB)
Rosboro Treated Glulam Brochure (1 MB)
Rosboro Treated Glulam White Paper (227 KB)
Green-Gard PTTM Specification Sheet (24 KB)
Green-Gard Hazard Label (36 KB)
MSDS for Green-Gard PTTM (229 KB)
HI-Clear II Specification Sheet (139 KB)
MSDS for Laminated Beam Products (Hi-Clear IITM Treated Wood) (75 KB)
AWPA M4-06 Brush on Treatment Recomendations (119 KB)
AITC Standard for Preservative Treatment of Structural Glued Laminated Timber (60 KB)
Home Builder's Guide to Coastal Construction - FEMA 499 (760 KB)
Treated Glulam Beams and Columns Warranty (260 KB)
Design Properties (78 MB)
Glulam Columns
Allowable Loads Tables (169 KB)
Glulam Columns Brochure (1.0 MB)
Glulam Tall Wall
L/120 Column table supplement (45 KB)
Glulam Tall Wall Brochure (743 KB)
Other Rosboro Documents
The following documents are not part of the glulam technical guide, but are available as PDFs from this website:
Rosboro "Deep BigBeam" Design Tables (155 KB)
Port Orford Cedar Design Tables (179 KB)
Alaska Yellow Cedar Design Tables (178 KB)
Material Safety Data Sheets (MSDS)
MSDS for Laminated Beam Products (50 KB)
Springfield Glulam End Sealer (3 MB)
BigBeam Sealer (3 MB)
Vaughn Glulam End and Face Sealer (32 KB)
For more information, please contact Rosboro Technical Support at (877) 457-4139.
ICC-ES Service Reports
ESR 1937 (197 KB)
ESR 1940 (164 KB)
APA Technical Documents
Rosboro Structural Glulam Timber Report (84 KB)
Rosboro 24F-V5M1 Treated Glulam Report (84 KB)
APA CAD Website - A free resource for building designers and construction professionals
The APA EWS, a nonprofit trade association with over 70 years in the business, is the authoritative source of information regarding structural wood products and their related construction applications. The APA technical literature listed below can be downloaded via PDF by clicking on one of the links. To purchase hard copies of this literature or to learn more about APA EWS, click here to visit their website.
Product and Design Guides
Design of Structural Glued Laminated Structural Timbers (151 KB)
Engineered Wood Construction Guide (2.4 MB)
Glulam Beam Camber (93 KB)
Substitution of Glulam Beams for Steel or Solid Sawn Lumber (431 KB)
Technical Notes
Calculating Fire Resistance of Glulam Beams and Columns (569 KB)
Checking in Glued Laminated Timber (426 KB)
Controlling Decay in Wood Construction (102 KB)
Dimensional Changes in Structural Glued Laminated Timber (136 KB)
Eng. Bulletin-Allowable depth-to-width ratio for glulam beams (29 KB)
Eng. Bulletin-Design values for glulam stock beam cutoffs (54 KB)
Field Notching and Drilling of Glued Laminated Timber Beams (200 KB)
Glued Laminated Timber Appearance Classifications for Construction Apllications (240 KB)
Glulam Connection Details (631 KB)
Owner's Guide to Understanding Checks in Glued Laminated Timber (566 KB)
Proper Storage and Handling of Glulam Beams (346 MB)
Connections for Built-Up Glulam Beams (124 KB)
True (Shear-Free) and Apparent Moduli of Elasticity (62 KB)
Apparent E and Shear-Free E (57 KB)
Formaldehyde in Glulam (380 KB)
Builder Tip: Minimize Glulam Checking Through Proper Storage and Handling (70 KB)
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