575 Ind. Admin. Code 1-9-42
Current through April 17, 2024
Authority: IC 20-27-3-4
Affected: IC 20-27-9
Sec. 42.
All ceiling and walls must be insulated with materials to minimize sound and vibrations. At least one (1) inch thick thermal insulation must be installed between panels to prevent settling to a minimum R-value of 5.5. All materials must be fire-resistant material and approved by the Underwriter's Laboratories, Inc.
575 IAC 1-9-42