TRIMMING THE FRAMING

Rather than meticulously measuring and cutting each piece to size, we think it's easier to bung framing round the whole perimeter of each bulkhead and then just hack out the bits that aren't necessary later.

The bloke in the pic wandered in off the street to pose for the picture if you are wondering at the inept looking hold on the chisel, but it does go to show that you don't need any particular tool skills!