The walls consist of 3" thick Owens Foamular C 300 rigid shiplap, behind 2x4 bluwood studs, with a lower stub wall of 1" foam behind 2x6 bluwood. The upper is shown hanging, the next section to hang being built on the floor.
The first half of the upper wall is hung, and the second half to be hung to the right of the photo is being framed on the floor.
The entire upper wall is framed and hung, the first section of Delta FL flooring underlay is rolled out, and the upper end wall is also installed.
A closer look at the front and end walls, with blocking in place, and the rest of the Delta FL rolled out on the floor, the OSB strips keep it flat.
The short stub walls have been installed sitting on the Delta FL, and all the cavities have been spray foamed with open cell Touch n Foam.