Alpine’s Fire-Tite® Doors are constructed to conform within requirements specified by
Underwriter’s Laboratories. Inc. (U.L.). Doors are automatic and
self-closing through an isolating governing release system, Class (A) (B) (C) (D) or oversized certificate. Class (A) – 3 hour approved for doors in dividing fire walls with
openings not exceeding 162 sq. ft. in area. Sizes above 162 sq. ft. will be oversized.
Class (B) – 1.5 hour approved for doors, in vertical shaft openings not exceeding 162 sq. ft. in area. Sizes above 162 sq. ft. will be oversized.
Class (C) – 0.75 hour approved for doors in a corridor or a room-partition opening not exceeding 162 sq. ft. in area. Sizes above 162 sq. ft. will be oversized.
Class (D) – 1.5 hour approved for doors in an exterior wall opening not exceeding 162 sq. ft. in area. Sizes above 162 sq. ft. will be oversized.
4 Hour Rated (Optional)- Approved for doors with openings not exceeding 162 sq. ft. in area. Sizes above 162 sq. ft. will be oversized.
Alpine Overhead Doors Announces Appointment of Scot Anderson as Director of Outside Sales
Alpine Overhead Doors, Inc., a leading manufacturer of rolling overhead door systems, is pleased to announce the recent addition of Scot Anderson as Director of
