Compression or Tension Web Configuration—Which is Better? Glenn Traylor On a recent Quality Assurance Audit at a large facility, we witnessed a floor truss builder carefully spacing out his floor truss webs in the allotted space available with precision and care. He was very meticulous. I asked him why he was doing that and he explained that his in-house inspector... Read More July 2019 Issue #11240 Page 32
How Your Plant Can Benefit From a Spida Extruder Wall Panel Framing Line Chris Scott Powered by people, a manual line in an average component plant is composed of a rough opening station, a subcomponent station, a framing station, a squaring station, and a sheathing station. In the configuration, typically 8 people are on this line, and 1000 LNFT of output is the average goal... Read More June 2019 Issue #11239 Page 14
Do Connectors on Both Sides of a Truss Ever Need to be Placed Exactly? Glenn Traylor Once in a while, I’m asked—Is there ever an occasion when connectors on both sides of the truss need exact placement? Well, the answer might surprise you. There are, in fact, several situations where the top face connector and the bottom face connector need to be exactly... Read More June 2019 Issue #11239 Page 38
All Things Wood: The Critical Job of Truss Builders Frank Woeste Last month’s fine article by Glenn Traylor, “How Do I Choose Which Plates for a Critical Plate Inspection?”, reminded me of investigative experiences I’ve had throughout my career. The work of truss builders is extremely important, as evidenced by instances of truss... Read More June 2019 Issue #11239 Page 56
How Do I Choose Which Plates for a Critical Plate Inspection? Glenn Traylor The requirement is: an inspector will, on average, inspect one critical plate for every inspection made during a week. That requirement is the baseline number for the quantity of critical inspections to perform—but because some trusses do not have critical plates, it’s necessary to... Read More May 2019 Issue #11238 Page 36
What Decisions Should Truss Builders Be Able to Make? Glenn Traylor In the November 2017 article, “So Who Exactly is Responsible for Lumber Quality?”, we discuss the abundance of quality building materials and the responsibility of the fabricator to evaluate their application in products. We should recall the ultimate decision maker in determining... Read More April 2019 Issue #11237 Page 34
How Should Defects Be Recorded When Inspecting a Critical Plate? Glenn Traylor A critical plate is a plate with a Joint Stress Index of 80% or greater. The ANSI/TPI 1–2014 Standard stipulates that critical plate inspections must be conducted when completing the three inspections per station/per shift/per week requirement. On average, the standard requires one... Read More March 2019 Issue #11236 Page 34
How Important is Angulation? Why is It Important? Glenn Traylor Per ANSI/TPI 1–2014, National Design Standard for Metal Plate Connected Wood Truss Construction, plates should be installed within a 10 degree tolerance. So what happens when the plate is rotated and exceeds this requirement? The simple answer is: the configuration and design of... Read More December 2018 Issue #10233 Page 33
What is the Most Common Fabrication Issue That Impacts a Truss? Glenn Traylor The most common problem typically encountered is excessive defects in the plated area of the truss. While some defects are acceptable in the plated area, the degree of defects depends on the actual joint situation and forces at the joint. Connector sizes are controlled by design, handling,... Read More August 2018 Issue #10229 Page 32
Mind the (Member) Gap Glenn Traylor Everyone knows that member gaps can be caused by uncalibrated saws and poor jigging stops during truss set-up. But did you know the most likely cause of member gaps is the lumber carriage shifting or moving the lumber at an angle, thereby causing a skewed cut? This is especially true when a gang... Read More June 2018 Issue #10227 Page 26