If one is looking for a roll up fire door, Madison WI is one city where there are many trustworthy companies offering a wide variety of rolling steel doors to meet the most demanding fire safety standards, unusual opening sizes and requirements of the most discerning aesthetics. In general, these doors are designed to close automatically in the event of a fire or alarmed event and can be used in industrial, institutional, commercial and retail environments.
Insulated Doors
A roll up fire door which is insulated offers the benefits of fire protection, insulation, and sound attenuation, thereby eliminating the need for separate insulated and fire doors. This type of fire door combines sound transmission control and energy-efficiency of a purely insulated door. Ratings for protection with this type of door for concrete, masonry and steel walls is four hours and for non-masonry walls up to three hours.
Rolling Service Doors
This type of roll up fire door offers good protection in such applications as warehouses, distribution centers, factories, mills and parking garages. It can be customized to be used for conveyor openings.
This door has an innovative floor reset system so that it can easily be drop tested and mechanically reset at any time without requiring special tools. It is rated for three hours and can be used in steel, wallboard or masonry. Often this door is made of galvanized or stainless steel with either curved or flat profiles and various powder coat color options so it is not only reliable, strong and durable but aesthetically pleasing.
Counter Doors
Counter-type fire-rated doors are used in schools, cafeterias, hospitals, factories, retail settings and concessions. These are rated for three hours for masonry applications and one and a half hours for non-masonry applications. They will expand upward in a fire and have a compact, box-like form with a finished appearance that is attractive and requires minimum side room. They are typically made of either primed galvanized steel or stainless steel.
General Features
Regardless of the type of door, they all are compliant with the National Fire Protection Agency-80 standards and meet or exceed industry fire safety testing standards including Underwriters Laboratories, California State Fire Marshall requirements, and Factory Mutual.