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Ul fire penetration for metal duct


From: Rudyr88
Added: 1 year ago
Duration: 36:50

Through-penetration Firestop Systems, XHEZ - UL

Firestopping nondampered heating, ventilation, and airconditioning (HVAC) duct penetrations in firerated walls is more involved than installing that ubiquitous red caulk into the space between the duct and the periphery of the opening. Because of the nature of thin sheet metal ductwork and the physics that come into play during the course of a fire,

Firestops and Joints Industries UL

Concrete or block wall to bottom of fireproofed steel Ibeam to concrete over metal deck (Max. JW2" ) Related products: CFSSP WB, Mineral wool Show all

Improving Firestopping for HVAC Duct Penetrations in Fire

FOR COMMITTEE USE ONLY, NOT FOR SALE OR DISTRIBUTION UL Standard for Safety for Fire Tests of ThroughPenetration Firestops, UL

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