Fire-Rated Construction

Securall^® Fire-Rated Storage Buildings carry the Factory Mutual System Approval label and are constructed based upon UL Fire Resistance Ratings classification criteria.  In addition, all Fire-Rated Buildings come with hydraulic operated self-closing, fire-rated doors and fire damper protected vents.  Standard models are available in 2-hour and 4-hour fire ratings.  Custom models can also be fabricated with approved, fire-rated construction.

Four Hour Fire Rating Requirements : If a building is to be located 10 feet or less from a main buiding or property line, a 4 Hour Fire Rating is required. Wall construction built with 3 hour fire rated roof construction, 3 hour fire rated door construction, and 2 layers of ¾” gypsum ultracode wallboard. Air inlet vents with UL Listed and labeled fire damper with louvers. Dampers have a galvanized steel frame, curtain-type galvanized steel blades and a UL Listed 165° F fusible link.

Two Hour Fire Rating Requirements: If a building is to be located more than 10 feet but less than 50 feet from a main building or property line, a 2 Hour Fire Rating is required. Wall construction built with 1 hour fire rated roof construction, 1.5 hour fire rated door construction, and 1 layer of ¾” gypsum ultracode wallboard. Air inlet vents with UL Listed and labeled fire damper with louvers. Dampers have a galvanized steel frame, curtain-type galvanized steel blades and a UL Listed 165° F fusible link.

No Fire Rating : If a building is to be located more than 50 feet from a main buiding or property line, NO Fire Rating is required.