Larry Kroh

TRIFORCE® and Wood I Joists: How Do They Compare?

A hallmark of engineered joists is their use of geometry to maximize structural capacity. The two most common geometric shapes configuring successful engineered floor framing components are the triangle and the “I”. History sings praises of the “I” shape. It recognizes the strength it gave to rails carrying transcontinental trains that unified young nations and … Continued

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TRIFORCE® and Plated Truss: They’re Both Open-Web, So What’s the Difference?

Open-web floor trusses with steel plate connections have been around since the 1950’s, celebrated for their strength and easy access for MEP installation. Developed near the end of the 1980’s, a new type of open-web truss from Open Joist made its debut in the engineered components world. It featured the innovation of finger-joined connections and … Continued

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Floor performance: A matter of perception

How a floor system performs, in the eyes (or mind) of someone who occupies that floor, is a very subjective assessment.  One person’s opinion of how it should feel when standing or walking on a floor can differ markedly from another’s.  Besides, industry standards aren’t necessarily helpful since meeting minimum building code design requirements doesn’t … Continued

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Getting Connected

It’s not enough to simply specify the right components for a building project.  An architect, engineer or designer must also specify how those components should be installed… how the pieces connect to one another.  Sometimes a simple fastener schedule is adequate when wood-to-wood connections are needed.  But often, especially in today’s world of engineered building … Continued

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Above & Beyond: Individual Joist Testing

Open Joist TRIFORCE® stands out among engineered floor joists because every joist is tested before it leaves Barrette’s state-of-the-art factory.  Only Open Joist products are put through such a testing process. Passing the test helps ensure that only proven joists are shipped to a job site. You can install TRIFORCE® with confidence. Builders and developers … Continued

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Floor System Design: Loading

When designing a floor system, it is crucial to understand how weight and loads are distributed throughout a building.  Often, floor framing plays an important role in transferring loads from the roof to the foundation of a building. To ensure proper structural integrity, the floor loading assessment must account for factors such as roof design, … Continued

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Comparison: Wood-steel joists and TRIFORCE® open joist Part 2

Combining wood and steel in joists is nothing new. But is this combination of materials really the best choice when it comes to handling, installation and long-term use? Last week we looked at wood-steel joists using wood chords with steel webbing. This week, we’ll compare TRIFORCE® open joist to floor trusses Floor trusses combine a … Continued

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Strongbacks: Big value, small cost

From a home dweller’s perspective, floor performance can be thought of as a level of comfort. If someone is walking by you inside a brand new house, you might feel an effect coming from the floor: vibration. If you’re like me, the less you feel vibration, the more solid the floor feels and that has … Continued

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*Note/mention: The designer and/or general contractor of the project or building must ensure the accuracy of the technical information discussed in this blog over the years and always rely on the most up-to-date product’s requirements, specifications and installation guidelines available online on this website, and the applicable codes and standards.