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An hourly rated wall—rated as high as three hours—is often required to separate building areas or occupancy types to meet the IBC requirement for life safety. For architects, builders, and engineers, that traditionally has meant using a rated eight‐inch or 10‐inch concrete block wall on a concrete foundation, but with this recent test exceeding hour‐rating expectations, that may no longer be the case.
The standard, in part, will address the importance of safety in electrical devices in landscape irrigation controllers while establishing a basis to ensure the safety, function, and durability of common electrical devices.
The updated UL 2796 helps to protect health while still ensuring effective odor control.
The video depicts a full-scale room fire at UL’s Northbrook, IL, test facility and compares non-compliant firestop systems performance to compliant firestop penetration and joint systems in accordance with ASTM E814 (UL-1479) and ASTM E1966 (UL-2079), respectively.