How Will the Changes to ANSI/TPI 1 Impact Your Truss Builders and In-House Inspectors? Glenn Traylor As we migrate from ANSI/TPI 1-2014 to ANSI/TPI 1-2022, it is important to discuss and be aware of Chapter 3 updates. These changes impact QC inspections and should be understood by your in-house QC inspector and your truss builders. The changes are in two categories in Chapter 3 — a... Read More July 2025 Issue #17312 Page 31
The ICC Code Development Process – Code Action Hearing Update MiTek Staff The International Code Council (ICC) recently completed the first of two Group B Code Action Hearings (CAH) in Orlando, Florida, from April 27 to May 6 for development of the 2027 I-Codes. The second CAH will be held in October in Cleveland, Ohio. This marks a significant milestone in the new... Read More June 2025 Issue #17311 Page 114
Is Plate Substitution the Most Common Error By Confused Truss Builders? Glenn Traylor Generally speaking, ANSI/TPI 1 makes common sense and is very logical. However, there are several items that can be a little confusing because they seem to defy logic. When we upgrade lumber per ANSI/TPI 1 Section 3.4.2, we know that lumber strength needs to be maintained in order to meet the... Read More May 2025 Issue #17310 Page 39
Multiple-Ply Girder Load Distribution Change in ANSI/TPI 1-2022 MiTek Staff Girder trusses are trusses specially designed to carry extra load from tie-in trusses and equipment. If a single ply is insufficient to carry the entire load, the truss designer specifies a multiply girder, that is made of identical trusses and fastened together to act as one unit to support the... Read More May 2025 Issue #17310 Page 138
Do You Use Sub-Components to Aid in the Assembly of Components? Glenn Traylor Managing a truss with multiple pieces can affect productivity. For example, maintaining compliance with ANSI/TPI 1 Chapter 3 requirements for nearly thirty pieces can be challenging. To improve cycle time while preserving quality, using sub-components may be a practical solution. Most likely,... Read More April 2025 Issue #17309 Page 39
The Evolution of Product Testing in Engineering and Manufacturing MiTek Staff Product testing is the backbone of quality control in engineering and manufacturing, ensuring products are reliable, durable, and safe before reaching the market. Over the years, the testing processes have evolved dramatically, transitioning from manual inspections to highly sophisticated... Read More April 2025 Issue #17309 Page 140
How Important is Training in Your Operation? Glenn Traylor What do you think of when you hear the word “training”? A classroom with students listening to a teacher? A truss plant with a new hire following behind a seasoned truss builder? Or, maybe your first thought was sitting in front of a computer for an online course? The truth is that... Read More March 2025 Issue #17308 Page 39
What the Latest ANSI/TPI-1 Updates Mean for Truss Designs Jay Jones, P.E. The ANSI/TPI 1 standard is a critical document that governs the design and quality criteria for metal plate-connected wood trusses. It serves as a guideline for truss manufacturers and engineers alike, providing the technical framework to design and construct reliable and code-compliant trusses... Read More March 2025 Issue #17308 Page 116
What is the Risk of Using Incorrect Lumber? Glenn Traylor What is at risk when we fail to use the correct lumber? If you are not careful, it could cost you your business. [For all images, See PDF or View in Full Issue.] Several years ago, I received a call from a client searching for a solution to a problem. Unfortunately, their purchasing... Read More February 2025 Issue #17307 Page 37
What Should a Truss Builder Do About Wane in the Plated Area? Glenn Traylor First, wane occurs often when lumber is manufactured and cut close to the outside of the timber, resulting in missing material or a bark area. This is done to increase the yield of the timber, which increases lumber manufacturer profits but creates some issues for lumber users. Prime grades... Read More December 2024 Issue #16305 Page 35