Fire doors are available in various specifications and it is good to know these things before having it installed.
Opposite to what others believe, there are some fire doors which are made of wood. You may doubt this product but if you would look further in fire door suppliers, you will know that this is true and effective. These are called fire doors because it has gone through treatments and contain substances which make the door resistant to fire. Based on how thick these substances were coated, it will be able to give these wooden fire doors the capability to slow down the spread of fire. Its reliability is being tested over and over again to guarantee that its thickness, glazing, glass, as well as other facets will stand up to the specific amount of time for its appropriate fire rating.
Another fire door that is available in the market is the wooden door jambs. But this is not utilized for a fire door time threshold of 90 minutes. A 90 minute door must be made of steel. Only those with single swing doors may have wooden jambs and if you opt for double doors, wooden jambs are not the best option. This door type will go through continuous pressure testing just to meet the standards set.
Fire doors are rated based on the various times that these are designed to endure fire. There are 20 minute doors which are made of wood and have even glass in it. There are also doors with 45 minute rating. This is where the amount of glazing is doubled as well as flush bolts are available. 60 minute doors have somehow lesser glazing and wooden jambs are no longer good to use. The next rating is the 90 minutes where you cannot expect double doors, wooden jambs and that the glazing is at minimal.
There are other standards which are kept classified by the fire door manufacturers. As a client, you may just inquire about the materials as well as specifications of their fire doors in order that you would know if it is worth spending and investing on. You just have to ensure that the doors did passed and met all the standard requirements for a fire door in order that you can be sure enough that it will serve and do its purpose whenever a fire happens.
Also ensure that these are regularly maintained by the experts to keep its reliability as well as efficiency during fire accidents. Remember that fire doors are present to protect not only lives but also properties.