Westbrook Block is a proud producer of Underwriters Laboratories® (UL®) Approved Fire-Rated CMU, both Light Weight and Normal Weight densities, in 2-, 3- and 4-hour configurations. …

2024年9月4日 · 1.2 Fireplace accessories as covered by these requirements are intended for installation in accordance with the Standard for Chimneys, Fireplaces, Vents and Solid Fuel …

USG provides resources here for our UL wall assemblies for seamless integration into any construction project. These wall assembly files are used for planning and estimation purposes …

Concrete masonry is a noncombustible construction material possessing excellent fire-resistive properties. The resistance of concrete masonry to fire is well established by extensive testing …

The table on the following pages lists the UL fire rated assemblies that include Vulcraft composite and non-composite decks profiles. This summary table is provided to assist in identification of …

4 Hour Fire Ratings: Underwriters Laboratories Design No. U905 shows that a 2 hour rated 8, 10, or 12 inch (20, 25, or 30 cm) concrete block wall is improved to four hours when cores are …

Rmax has tested and obtained classifications through Underwriters Laboratories (UL) for the use of various wall insulation products in fire resistant rated Wall and Partition assemblies per …

2015年6月12日 · U906, U907, V454, and V499. Refer to the UL Fire Resistance Certification information for File R15890 (CCVW) for applicable design coverage and details of the fire …

compliance with the appropriate UL design number. For all fire rated assemblies provide concrete masonry units conforming to Underwriters Laboratories Inc. UL 618 and design numbers: …

Fire resistance assemblies and products are developed by the design submitter and have been investigated by UL for compliance with applicable requirements. The published information …