Anyone Can Purchase This Fire Rated Doors

Generally the fire rated doors are really very heavy doors and are made of elements like any metal or gypsum. Their main use is to hold back the smoke and prevent fire from being spreading. This means that when the door is installed properly, it must not combust for a certain time period and hold the average fire for a certain amount of time. These time ratings may vary depending upon the type and quantity of material used. There are several standard ratings from 20-90 minutes doors. These may depend on the size of the company and their requirement. Certain buildings may require fire rated doors. Usually they are installed in public buildings or in the office buildings. They are frequently used in exit stairwells. These can work efficiently only when they are shut down properly, else they are useless. It will not be able to hold back the smoke in these conditions. When concerned with large buildings, this problem can be tackled in several ways. These doors can also have the automatic shut down mode if they detect fire. So it will be easy for everyone to let the doors be opened every time, or it may also remain shut all the time, and if, by mistake, they are left open by mistake then they shut down automatically. These can either be solid or with windows. Many of them are preferred without windows. The doors if used with windows even then also the glass is not normal rather rated or made of rated material like glass or any other transparent material. There are several companies from where anyone can purchase this fire rated doors according to their requirements like size, rating, with or without window etc.