Height of sections is kept at 5-ft. which, with the additional height of the rounded roof construction gives a total of 5-ft. 9-inch. headroom.

Securing full 6-ft. would be merely a matter of carrying the sections 3-inch higher, but it is best to keep the house as low as possible.

The sections are set up on the house floor and fastened with 1/4" carriage bolts through the bottom framing; then they are fastened to each other at the corners with similar bolts; be sure the work is square and plumb. As the sides come well outside the wheel housings there is ample room for changing tires. A shelf of 1-inch x 12-inch pine is fastened atop these four sections with corners mitered and fastened with 1-inch x 3-inch strips over the joints.

Eight quarter circles are sawn out of 1-inch x 12-inch stock and set up on the shelf - three to each side, two to each end, screw fastened from beneath. With these in place temporarily tack a few full-length strips over the rounded surfaces, ends and sides, to determine the shape of corner sections over the shelves. These will, of course, be fuller than quarter circles. Their shape is best obtained by making a cardboard pattern to suit the run of the slats where they meet at the corners; actual members are fastened atop strips over the shelf joints and held in place for the time being by the temporary slats.

A scant 2-inches down from the inner top corners of side shelf sections fasten a 1-inch x 2-inch strip each side to help take roof beams. There should be seven of these in all; one for each pairof quarter circles, and two for the ends. The latter are fastened to faces of the quarter circles, tops level with tops of other beams. This completes an easily-built but strong framework.

There is a wide selection of suitable sheathing materials, with some choice even in these times. Lightness is an important consideration here, as throughout the building. Thin T & G stuff could be used, with any beaded edge for finishing with paint or varnish; or it could be laid flat side out for covering with canvas or leatherette.

In either case. sheathing over the roof should be fabric covered with the fabric brought downover rounded edges: these to be covered with narrow 1 1/2-inch or 2-inch slats of the same thickness as the rest of the sheathing.

Whatever is used for sheathing should be well fastened to the entire framework to give the house added strength; perhaps with small nails or flat-head screws spaced on about 4-inch centers. The easiest way to cover the framework is to lay the roof first, then the slats over the rounded sections, and finally sheathing over the sides and ends, allowing this to run slightly
over door and window openings for sawing flush.