Product Specifications
Frame and Blades: Cold rolled steel or zinc-plated steel.
Standard Finish: Bronze powder coat.
Construction: Louvers are riveted to operating bar and frame at 1″ intervals. 1-1/4″ face frame has mitered and welded corners.
Mounting for 1-3/4″ Doors: Screws fasten through louver core.
FIRE RATINGS: UL listed and labeled/stamped to ANSI/UL10B, ANSI/UL10C and CAN/ULC S104 for installation in up to 90-minute doors