Our clients rely on this certification to demonstrate compliance with regulations and ensure the reliability of our products in their projects.

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 …

2020年11月12日 · Classified Air Duct Materials bearing the UL Class 0 or Class 1 rigid air duct material. Installed in accordance with the instructions provided by the manufacturer.

See a list of UL Standards, Outlines, ULC Standards and ORDs. Search the catalog for the Standards you need and then purchase them on our Standards sales site.

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 …

Fire-RatedFire-resistance ratings have long been used by UL, ASTM and building codes to measure the performance of various constructions for fire containment purposes. As applied to …

2017年10月2日 · Additionally, the UL Fire Resistance Directory, Design Number L538 assembly was used in conjunction with the component additive method (CAM) principles. The …

2020年6月30日 · This First Edition of CAN/ULC-S538 covers requirements for electrically operated single and multiple station carbon monoxide (CO) alarms intended for protection in …

2025年1月10日 · ULC 538 Standard for Single and Multiple Station Carbon Monoxide Alarms for Non-Residential Applications

1/2" (12.7 mm) Fire-Shield C Gypsum Wallboard or 1/2" (12.7 mm) Fire-Shield C Kal-Kore plaster base nail attached to 2 x 10 (38 mm x 241 mm) wood joists spaced 16" o.c. (406 mm). UL …