certified doorsetsexternal doorsFD30 fire doorsFD60 fire doorsfire door ratingsfire doorssmoke controlunderstanding FD30 and FD60 fire door ratings
FD30 and FD60 Fire Ratings for Smoke and External Doors
The key difference is the time each rating represents: FD30 fire doors are designed to resist fire for at least 30 minutes, while FD60 doors provide 60 minutes of fire resistance. Understanding FD30 and FD60 fire door ra…