The coventry prefinished fd30 fire door with a solid core and unique american black walnut horizontal veneers will add a bold modern look to any room this four panel shaker with its bold design works particularly well in contemporary styled rooms the coventry door is supplied prefinished and is ready to hangthis 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