Joe Kannapell, PE

Home Building Technology, Part XIII: Truss Equipment Proliferates – Component Saws

Joe Kannapell, PE

As housing demand accelerated in the 1960s, builders increasingly turned to trusses. But, lacking better equipment, truss shops had trouble scaling up to fill their orders. Early shops had little more than radial arm saws to cut members and wood tables to assemble them. They had exhausted every...

#18318 Cover image
January 2026
Issue #18318
Page 10
Joe Kannapell, PE

The Last Word: (When) Will AI Overtake the Truss Industry?

Joe Kannapell, PE

Artificial intelligence (AI) has been 70 years in the making since eminent AI pioneer, John McCarthy, coined that term in 1955 to describe “the capability of a machine to imitate intelligent human behavior.” Truss software has been 50 years in the making, with scant penetration of AI...

#18318 Cover image
January 2026
Issue #18318
Page 188
Joe Kannapell, PE

Home Building Technology, Part XII: Plate People Proliferate

Joe Kannapell, PE

A great American competitive struggle broke out in truss shops around Miami in 1957. The owners of these shops learned that two new plates had hit the market, and both worked without supplementary nailing. The Sanford Grip-Plate that they were using required hundreds of nails to be hammered into...

#17317 Cover image
December 2025
Issue #17317
Page 10
Joe Kannapell, PE

The Last Word: Two Routes to a Great Career in Home Building

Joe Kannapell, PE

Perseverance through tough times is what earns success, as proven again by two men in our industry named Ronnie. They logged a combined eight decades serving builders, surviving two severe recessions, enjoying several good years, and also facing tough transitions when their employers were bought...

#17317 Cover image
December 2025
Issue #17317
Page 188
Joe Kannapell, PE

Home Building Technology, Part XI: Rapid Growth and Competition

Joe Kannapell, PE

The news of trusses being built with newfangled plates was so well received that it raced across the country in the late 1950s. The first to take notice were homebuilders who built with stick framing, who then wanted to try trusses. The first to respond were lumberyards, who were well positioned...

#17316 Cover image
November 2025
Issue #17316
Page 10
Joe Kannapell, PE

The Last Word: How Moehlenpah Revolutionized Pressing

Joe Kannapell, PE

Before there were truss machines, how did fabricators press plates? They were able to use hammers and nails on the Grip-Plate, but when they started using the plates that didn’t need extra nailing, they had a nearly impossible time getting them pressed. When they went to their local...

#17316 Cover image
November 2025
Issue #17316
Page 184
Joe Kannapell, PE

Home Building Technology, Part X: Competing Connectors

Joe Kannapell, PE

In multiple jurisdictions across the country, building code authorities questioned the viability of the curiously shaped metal plates being used on trusses during the last half of the 1950s. In South Florida, for example, four radically different looking plates appeared, with different...

#17315 Cover image
October 2025
Issue #17315
Page 10
Joe Kannapell, PE

The Last Word: Housing and Components on the National Mall

Joe Kannapell, PE

Our industry has much to gain from our participation in the Innovative Housing Showcase in Washington, D.C. This year, one of our main goals was to lobby government officials to stimulate housing construction. In effect, the 27 exhibitors were saying right in front of the seat of government,...

#17315 Cover image
October 2025
Issue #17315
Page 170
Joe Kannapell, PE

Home Building Technology, Part IX: The Great Connector

Joe Kannapell, PE

Cal Jureit’s truss testing experience was but the first of three consequential steps that led him to invent the modern truss connector plate. Jureit’s second step was joining Truss Fabrications, Inc. (TFI), which furthered his knowledge of truss manufacturing, and focused his efforts...

#17314 Cover image
September 2025
Issue #17314
Page 10
Joe Kannapell, PE

The Last Word: Why Go to the BCMC Show?

Joe Kannapell, PE

Even in slower years, you can benefit, both professionally and personally, from attending the Building Component Manufacturers Conference (BCMC), as I have. Some gains may accrue over a longer period of time, but there are always people to meet and things to see at the Show. Even if your company...

#17314 Cover image
September 2025
Issue #17314
Page 186
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