by Calvin Curtis
November 14, 2017
In the last several months, I’ve had many questions about what constitutes a “restrained” concrete member, and what constitutes an “unrestrained” concrete member. The volume has been such that I’ve decided to take a break from my usual post-tensioned discussions and lay this out. This […]
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by EVstudio AEP
August 25, 2017
F Rating, T Rating? What? Fire rated assemblies are complicated enough but it is equally important to make sure that any penetrations of those assemblies are also put together well. First some definitions: F RATING. The time period that the through-penetration firestop system limits the spread of […]
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