Authority: IC 20-27-3-4
Affected: IC 20-27-9
Sec. 37.
All ceiling and walls must be insulated with non-asbestos materials to minimize sound and vibrations. At least one (1) inch thick thermal insulation must be installed between panels to prevent settling. All materials must be fire resistant and approved by Underwriter's Laboratories, Inc.
575 IAC 1-2.5-37