Engineering Updates


SUBSTRATE Why does substrate matter? To determine the strength of a fastener before withdrawal will occur, we need to know what the fastener will be embedded into. The PSI of concrete tells us the density of the concrete. In turn, we can determine how much withdrawal the fastener can resist. The higher the PSI, the […]



Fasteners Why don’t all four fasteners help hold the force? As we know, the job of a fastener is to hold our base plates in place when a force is applied to the top of our post or railing. When a fastener can no longer resist this force, it is either withdrawal or tensile failure.

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