Tag Archives: Fire ratings

Choosing appropriate UL designs      

Many UL designs have load restrictions—a matter of great importance and potential liability for engineers of record (EORs), who, in accordance with several building codes and the UL Fire-Resistance Rating Directory, are responsible for identifying and approving the use of such designs on a project.

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Passive fire protection and interior wall assemblies

To ensure optimal fire protection, building codes require interior wall assemblies to be evaluated by industry standards to determine their fire performance. This article gives examples of fire-rated wall assemblies and passive firestop systems, describing the testing they must go through to achieve their fire ratings.

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