The Internal Trent FD30 Fire Door by Liberty Doors comes from their Internal White collection and is primed with a double coat, ready for a final finish. This particular design features 3 panels. Constructed with a semi-solid core and white primed this door has a fire rating of FD30 it is resistant to heat and flame exposure for at least 30 minutes, a valuable investment that could save a life in the event of a fire.