Pine 1930 4 Panel Unfinished FD30Overview The Pine 1930 4 Panel FD30 internal door is a design from our unfinished Pine range. Featuring flat panels and an attractive bead, this design is perfect for traditional homes. Custom Finishing Options This design is supplied unfinished, allowing you to paint it in the colour of your choice. Alternatively, you can apply a clear lacquer to enhance the natural timber grain. This door is fire rated for up to 30 minutes.