Undercoat rustproofing inside of rear panels, just above floor line: Both sides of the bus, from the emergency door frame to the corner, shall have the inner panels, inner liner, and outside panel, undercoated. The undercoating shall be full width, and start as low as possible, approximately floor line, and extend upward approximately 12". This must be done at the factory before the insulation is installed.
Undercoat the underside and frame of trailer.
Undercoat the underside and frame of trailer. Under coat shall dry to a semi-hard or hard surface. Shall not come off when touched.
