Fire rated doors and frames play a vital role in keeping people safe and minimizing property damage during a fire. Hollow metal is the only door material widely available upto 3 hour label. Architectural grade wood fire doors control the spread of fire and smoke for up to 1-1/2 hours (90 Minutes). Fire-Rated wood doors are available in a variety of veneers, styles and sizes. Fire doors often are used on openings leading from corridors to offices, closets, storage rooms, stairwells, mechanical rooms or any other opening that penetrates a fire barrier wall.