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ULC 112 PDF
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Standard Methods of Fire Test of Fire-Damper Assemblies (CAN/ULC S112-10)
standard by Underwriters Laboratories of Canada, 06/01/2010
ULC 112 – Standard Methods ofFire Test of Fire-Damper Assemblies (CAN/ULC S112-10)
These requirements and methods of test apply to fire damper assemblies rated 3/4 h, 1 h, 1 1/2 h, 2 h, or 3 h for use in air-conditioning and ventilating system ducts or openings (without ducts) piercing horizontally or vertically oriented fire separations where the fire separations are required to have a fire resistance rating of not more than 4 h.
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