Original owner builder.kept for it's entire existence. 24 years plus. 19' professionally home built. 6" thick aluminum walls, floor and roof. 5" Styrofoam insulation. All walls and roof are covered with 3/8" plywood on both sides. Floor has 3/4" double vinal coated plywood. Rubber roof, aluminum siding. 2 three ton axles. Both have electric brakes. Newer frig, water heater, tires, and axles. Frame is double stacked 2 x 2 tubing with 1 7/8 tubing inside both. Then u-bolted to aluminum u channel. Professionally welded throughout. Cell # 8123098112 E.ngineered for a lifetime of service. Best suited for long term s