Fire rated exterior doors
External Fire Doors – Features, Purpose And Installation Tips For The Beginner : Fire Rated Exterior Doors
Quote from Article entitled External Fire Doors – Features, Purpose And Installation Tips For The Beginner:
An external fire door should be inspected at least once a year. This should be done to establish whether it meets the fire safety requirements in terms of fire rating. If not, necessary replacements should be made in order to ensure efficiency in the event of a real emergency. The inspection is usually done by an expert in the field of fire safety techniques.
The full version of the article can be found here.