Day4: Started using an IPod to take pics..but the battery is dead, so will upload new pics shortly once it's charged. Ceiling ply is done. Started the top side ply boards today, which meant cutting holes for portholes and windows. Half done. Will finish the rest tomorrow, meaning there's hardly any spray foam to look at any more, and it's time to start doing bulkheads (walls) to seperate the different rooms. Discovered I forgot to clean the sprayfoam under the roof vents before putting up the ceilings, so will need to use a holesaw and cut holes from the inside out, ...and then fit some bug filter material, and end off with an inside vent cover for each.