The deanta coventry oak unfinished internal fire door boasts a stylish modern design and features a contemporary oak finish this door features a solid core and is supplied unfnished with an oak veneer with the choice of a variety of sizes youre sure to find the door to suit your needsthis door provides 30 minutes of fire protection when hung in accordance with the manufacturers instructions in an appropriate frame with intumescent strips in the jambs and head or top and long edges of the