Solid Blocking Requirement for Truss Joints MiTek Staff MiTek engineers frequently receive questions on why the note “Solid blocking is required on both sides of the truss at joints…” appears on an engineering drawing and how to address it. This often arises at the high heel joints. [For all images, See PDF or View in Full... Read More October 2025 Issue #17315 Page 117
MiTek to Showcase Innovative Solutions at BCMC 2025 MiTek Staff Get ready to see our integrated solutions at the upcoming Building Component Manufacturers Conference (BCMC) 2025 in Omaha, NE. Our booth will feature industry-leading software, automated production equipment, engineered systems and products, and service capabilities that empower component... Read More September 2025 Issue #17314 Page 48
Repetitive Member Increase (Cr) and Additional Repetitive Increase MiTek Staff A Repetitive Member Increase (Cr) in truss design accounts for the load-sharing and composite action that occurs when multiple members, connected by load-distributing elements, act together as a system. This is an adjustment to allowable stresses of multiple members (like trusses, joists,... Read More September 2025 Issue #17314 Page 126
Bringing Innovation to the Forefront of the Construction Industry MiTek Staff Today’s construction industry is governed by a complex network of building codes and standards. In the U.S., the development cycle for new building codes spans three years, while the creation of new standards may take even longer. As a result, adoption and acceptance of innovative,... Read More August 2025 Issue #17313 Page 116
Changes in Flat Roof Snow Calculation in ASCE 7-22 MiTek Staff Chapter 7 of ASCE 7-22 (Minimum Design Loads and Associated Criteria for Buildings and Other Structures) introduces significant changes that affect the magnitude of snow loads and, consequently, truss design. While some of these changes reduce snow load values, others increase them. One of the... Read More July 2025 Issue #17312 Page 108
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
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
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
MiTek Structural Products Compliance with New Building Codes MiTek Staff In 2024, the MiTek Building & Product Regulations team completed a tri-annual project to update all MiTek structural product evaluation reports to establish compliance with the new 2024 I-Codes. Building codes in the U.S., also known as the I-Codes, are developed on a 3-year cycle. Each... Read More March 2025 Issue #17308 Page 148
MiTek Trimmable End Details MiTek Staff Wood trusses are prefabricated frameworks made of lumber and connected by metal plates that support roofs, floors, and other structures. They are widely used in residential, commercial, and agricultural construction. While trusses can be designed in almost any shape or size, restricted only by... Read More February 2025 Issue #17307 Page 132