Get up to 90 minutes of protection if a fire breaks out in your home with our fire-rated steel doors (when used with steel split-jamb frames), and up to 20 minutes with our fire-rated fiberglass doors . You'll have peace of mind and confidence knowing that you are providing your family with real safety-and you won't have to sacrifice style as our doors have the same great looks you've come to expect from Therma-Tru's fiberglass entry doors.