Aug 13, 2020 · Foam concentrate mixed 40:1 by volume with water and expanded at 100 psi through nozzle. Mixture shall consist of 1.4 cu feet of preformed foam concentrate to 94 lbs Type I Portland cement, 300 lbs of sand with 5-1/2 gal of water.
L502, L514, L515 - nationalgypsum.com
Fire resistance is the ability of an assembly constructed in a laboratory to contain a fire in a carefully controlled test setting for a specified period of time.
Floor-Ceiling Assemblies, UL Fire Rated Floor & Ceiling Designs - USG
Here, you can find drawings for our UL fire-rated floor assemblies and UL fire-rated ceiling assemblies. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire-rated ceiling assembly.
These designs are identified in the UL Fire Resistance Directory, which is updated yearly and can be referenced at the Underwriters Laboratories website at ul.com.
Insulation thickness, placement in the cavity, and resilient channel spacing must all conform to the limits specified in the UL Design. USG products and systems were the first to ensure that all sound systems are fire-rated and easily specified by a UL Design number.
1-Hour STC 58 2x Floor Assembly - WoodWorks
1-hour floor/ceiling assembly with solid sawn floor joists, gypsum concrete topping, carpet, and resilient channels. Fire rating per UL L502; STC 58 and IIC 73 per California Office of Noise Control Assembly 2.1.4.2.1.1.
UL L502, UL L515, UL L533, UL L545, UL L569, UL L590, UL M532, UL …
Attached to structure per UL. View assembly information on UL Website. Available insulation products for UL L502, UL L515, UL L533, UL L545, UL L569, UL L590, UL M532, UL M535.
Design No. L502 April 04, 2023 Unrestrained Assembly Rating — 1 Hr Finish Rating — 22 Min. or (16 Min. See Item 7D) This design was evaluated using a load design method other than the Limit States Design Method (e.g., Working Stress Design …
Product iQ | UL Solutions - UL Prospector
Product iQ is UL Solutions' online location for certification information. It combines data from many legacy UL solutions, including the Online Certification Directory, Product Spec and several iQ databases into one streamlined experience.
In looking at design L502 in the UL Fire Resistance Directory, or in the Online Certifications Directory, it indicates: Max rectangular size shall be 12 in. wide by 16-1⁄2 in. long. Max height of damper shall be 8-3/4 in. Aggregate damper openings shall not …
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