Online Certifications Directory
Through-penetration Firestop Systems
This category covers firestop systems, which are specific constructions consisting of a wall or floor assembly, a penetrating item passing through an opening in the wall or floor assembly, and the materials designed to prevent the spread of fire through the openings.
For US applications, systems are investigated in accordance with ANSI/UL 1479, "Fire Tests of Through-Penetration Firestops." For Canadian applications, systems investigated in accordance with CAN/ULC-S115, "Standard Method of Fire Tests of Firestop Systems."
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Guide Information - For general information on Through-penetration Firestop Systems (XHEZ) Guide Information - For general information on Through-penetration Firestop Systems Certified for Canada using CAN/ULC-S115 (XHEZ7) Scope of ANSI/UL 1479 UL Qualified Contractor Program
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Correlate International Building Code requirements with UL certifications Architectural Services Customer Services Regulatory Services Obtain UL Standards Training course on fire resistance General information on fire resistance ratings (BXRH) Recent additions or changes
Numbering System for Through-penetration Firestop Systems
SEARCH HINTS: To search for a particular system, enter the system number above. To search for a series of systems in this category, enter the alphabetical prefix or prefixes followed by an *, such as C*, C-AJ*, or C-AJ-3*. Refer to the numbering system to identify suitable system numbers. If your initial search yields an excessive number of matches, select "Refine Your Search" and tighten the search parameters using the desired hourly rating, company name of components used in the system, and other key words.