Steel double doors are made of two steel panels with insulation in between. They are used for fire safety, sound resistance, and security in commercial and industrial settings. They can be solid or have a viewing window and can be installed internally or at entrances.
A steel double door is a door made up of two steel panels separated by a layer of insulation. There are a number of applications for steel double doors, with these doors typically seen in commercial and industrial settings, although people can install them at home as well. Many manufacturers make steel double doors with matching frames, and the doors can be installed by any competent contractor. Manufacturers can also provide customers with detailed specifications that provide information on the dimensions of a door and frame, the environments it can be used in, and how to install the door correctly.
One of the primary purposes for installing a steel double door is fire safety. In a structure designed to be fire resistant, steel double doors provide a method of passage through a fire resistant wall without compromising fire safety. Doors are typically given a rating indicating how many hours of high temperatures they can withstand and may be required by law in many settings, such as schools. The double layered design coupled with the insulation makes it very difficult for fire to enter the door unless temperatures go extremely high or the fire burns for many hours.
The steel double doors also provide resistance to sound, thanks to the insulation layer. Some manufacturers stock unfilled doors, allowing customers to order the insulation product they want, and several companies offer insulation brands designed to provide acoustic baffling. Soundproofing isn’t usually the only reason to install a steel double door, but it can be a welcome benefit in noisy environments where fire safety is an issue.
These doors are also used as security doors. It is difficult to break into a steel double door that has been hung correctly and fitted with a suitable lock. Using such doors can reduce safety issues for a facility, making work safer. In high security environments, steel double doors may be required by law to protect data or other sensitive material.
A steel double door can be solid or have a viewing window. The safety and fire rating of the door will be affected by the window, with the size, thickness and level of reinforcement in the window all playing a part in how well the door can be rated. These doors can be installed internally to provide fire resistance and separation between rooms and corridors in a building, and can also be installed at entrances.
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