Hollow metal fire-rated doors and frames play an important role during a fire in keeping people safe and minimizing property damage. In fact, upon proper installation and maintenance of the fire door, there has never been a loss of life. With a three hour label, Hollow metal is the only door material that is widely available also only Labelled fire doors control the spread of fire and smoke for up to 3 hours. Fire-Rated metal doors keep people safe while minimizing property damage as well during a fire. When compared to other fire door made of other materials, Metal fire doors are a cost-effective alternative. Steel is the only door material to deliver a 3-hour fire-rating. Furthermore, the doors are light in weight, strong by construction and easy to clean.