Ul penetration details
Through-penetration Firestop Systems, XHEZ - UL Product Spec
UL PRODUCT CATEGORY
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UL PRODUCT CATEGORY. Through-penetration Firestop Systems, XHEZ Information concerning these details is described in the individual systems.
Description:For applications with an angled penetrant that do not meet the requirements of an existing UL system or do not meet the UL Guide Information requirements, we can consider the possibility of creating an engineering judgment for the specific field condition. For those systems that do not specifically allow for the penetrant to be installed at an angle the UL Guide Information for Through-Penetration Firestop Systems can be referenced. The UL Guide Information allows for an uninsulated penetrating item indicated as metallic pipe, conduit, tube, duct or cable, to pass through the wall or floor at any angle. Angled Penetrations Feb 20, by Gary Mason, Fire Protection Engineer We all know UL systems are very specific in calling out the requirements that must be met in order to have a complete system.