My walls are foamie hybrid construction consisting of a minimal frame; just a 2x2 cedar sill and door frame.

Along the edge of each galley wall I later grafted on a laminated hard edge made up of glued strips of fir slats, roughly equivalent to a bent 2x2 that ends just forward of the hatch hinge.
They are 9’-8” at the base and a little over 49 inches tall.
There are various points of 1x blocking let into the foam on the cabin side to screw cabinet frames, lights, light switches, coat hooks, etc., including a full height 1x4 at the bulkhead. Also various 1x blocks let into the outer face for fender mounting, porch light and side table. Here is the inside of the curbside wall just before covering with 5 mm Okoume marine ply, including the door which was shimmed in place and covered at the same time (similarly constructed using 1x2 cedar frame).

After skinning the inside, not including the inside of the galley yet, and before cutting out the door or the skin over the window opening, the whole assembly weighed 45 lbs.

Here are a couple of shots giving a little better perspective with the walls stood up after cutting the doors back out.


I could easily handle each wall by myself by grabbing it in the upper rear corner of the door opening and stabilizing with the other hand on the galley hard edge.