January 2023
What’s Next in the Building Code?
Building codes are considered living documents, which means they evolve with time.
Building codes are considered living documents, which means they evolve with time.
New York City is set to initiate a major code change that will affect the design and installation of certain types of exterior wall assemblies.
In acoustical wall design the main consideration is how much sound energy will pass through the wall itself. The wall assembly will be tested at specific sound frequencies where a unique single number will...
Membrane protection in the context of fire resistance indicates a component in either a fire-resistive assembly or a specialized system providing the fire resistance. This definition is a prime example of how advances in...
The concept of delegated design has been around for many years. Recent conversations in professional circles center on its increased usage. However, there is a certain confusion that is often related to the process....
Please explain the different types of gypsum wallboard as related to fire rating. First it must be noted that gypsum board, as a single product or building material, has no fire-resistive rating in...
What is the rainscreen concept for an exterior wall? The simple definition is that the concept provides a secondary line of defense against water, in both its liquid and vapor state, from penetrating...
Can you explain allowable drift in seismic design? The design of buildings to resist seismic events is regulated by the International Building Code. The standard that is referenced within the code is ASCE...
Can you define allowable drift and how it affects a contractor? Drift is the lateral movement of buildings caused by wind or earthquakes. According to Don Allen, P.E., S.E., director of engineering at...
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