Floor: 2"x3" 11 ga tubular steel, 16" o.c.
Walls: 1"x1-1/2" 16awg tubular steel, 16" o.c. where possible
Around slide-outs, the box corners & top hat: 1"x3" tubular steel 16 ga.
Bins: Angle iron, 1"x1-1/2" 16 ga. Enclosed with Galvanized steel 20 ga.
The interior steel frame is wire welded together, no screws.
Interior walls are sheeted in 7/16" osb Board to tie the frame together. Floor is 3/4" Plywood.
Exterior Skin: .063 Aluminum in 4' wide panels. Panels are attached by 3M VHB tape. (Note: I have used this product and you cannot believe the strength of this tape when attaching metal) No rivets
Roof Exterior: .030 one piece aluminum
Insulation Interior: adhesive bonded all walls and ceiling surfaces with a highly efficient bubble type insulation.
Insulation Floor: first joist are covered with .040 alum. with ¾ " Styrofoam.
Coach Frame is U-Bolted on Oak planks to truck frame.
All wiring is to ANSI A119.2 & NEC code, R.V.I.A. certified. All 120vac lines are hi-pot tested.
There is a start.
Bill
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2012 Showhauler 28'6" Motorhome on a Columbia w/ 450 Mercedes.
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