For the majority of new commercial premises Steel Doors are now specifying rather than the traditional wooden doors of the past, this is especially true for outside applications, so what are the benefits.
Increasing security is one most important consideration for fitting steel doors, the greatest weakness of the majority of wooden and plastic doors is the frame, in most cases they can usually be easily kicked or forced open with a crow bar breaking the frame to gain entry. Steel plates can be bolted to the outside of wooden doors but they only offer a limited amount of additional security and most doors are not designed to take the extra weight causing other problems like damage to the hinges.

Steel doors can be expected to give a much longer service life even in hostile or high usage applications than the other alternatives, it is important that they are galvanized or rusting can be a problem especially for outside applications, corrosion is not only unsightly but in time will reduce the integrity of the door and frame.
There are environmental benefits of fitting steel doors not only do they have a longer life but unlike wooden or plastic doors they do not deplete valuable resources and at the end of there life they can be recycled, thermal efficiency can be improved by using Rock wool filling and good quality door seals.

Steel Doors do not swell or warp on damp weather neither do they rot or need ongoing maintenance to retain there appearance and integrity.

Fire resistance, all steel doors because of the material they are fabricated from offer a good level resistance to fire. Certified fire rated doors are available when a greater level of protection is required, most certified doors offer at least 4 hours protection.

Ease of installation, most modern steel doors are now supplied with easy fit adjustable frames, so are very easy to install with only a limited amount of finishing off required.