A Truss Design Drawing (TDD) includes specific information[1] for structural engineers and building designers: truss profile, plates, loadings, wind speed, codes, enclosure, exposure, reactions, deflections, materials, bracing, bearings, etc. The maximum reactions are the most important values...

Whether you’re designing and building a one- or two-story single-family residence, or doing the same for a multifamily, mid-rise wood-frame structure, fire and smoke protection features must be considered, and in most cases are required. When a fire starts, time is of the essence and the...

In our January 2021 issue, Frank Woeste and Don Bender wrote, “Hybrid Lumber" Grade Stamps Require Special Attention. This article provided information on how to recognize hybrid grade marks and how to calculate hybrid lumber values for truss design. Included was this caution: A...

As lumberyards continue to recover from pandemic-related supply issues, there’s been an ever-increasing shortage of building materials, creating many challenges for building contractors. These shortages have impacted availability of wood structural panel sheathing and, as a result, our...

I freely admit that I have watched more than my share of house-hunting shows. My favorites fall into two categories – seeing homes (and prices) in US cities where I would consider moving next and seeing homes in international locations where I know I’ll never go (e.g., Southeast...

While stick-frame roofs are sometimes preferred to premanufactured roof trusses in some areas of the country because they can accommodate larger attics, higher ceilings, and complex roof shapes, the code requirements for these roofs are often more complex. That’s largely because, unlike...

As a follow-up to our January 2021 All Things Wood article by Frank Woeste and Don Bender, “Hybrid Lumber” Grade Stamps Require Special Attention, we are pleased to report that additional information is now available for designers and code officials. The following article appears...

As climate patterns continue to shift, an increasing number of communities around the globe are not only experiencing extreme weather events with increased frequency, duration, and intensity, but also some are experiencing these hazards for the first time in their histories. As a first line of...

This series of articles, Wood Structure Design Basics, is intended to serve truss designers (TDs) and others who are new to the wood construction industry and/or may not have the opportunity to study the basics of wood design in a formal setting such as a university. The mix of basics will...

While admiring a Mass Timber building rising nearby, I wanted to find out if CMs can benefit from this business. Katerra apparently thinks so, first becoming a CM and later a CLT manufacturer. So far, the supply of CLT is limited – the Katerra plant is 2500 miles from this Virginia jobsite...