Fireproof doors

Wooden fireproof doors are generally used within 15-30 minutes. In highly structured wood like oak, can be made fireproof doors up to 60min. True, today there are no officially recongized Standards, so it is necessary to get special acknowledgements.
Metal fireproof doors are generally used within 30-60 minutes. Metal fireproof doors are intended for use mainly as a door between residential, industrial buildings and office buildings. It is also perfectly suited for use in external - or internal doors for apartments to ensure better fireprotection.