Current through Register Vol. 54, No. 25, June 22, 2024
Section 171.57 - InsulationThe requirements for the use of insulation are as follows:
(1) Ceiling and walls shall be insulated with fire resistant material of a type approved by the Underwriters Laboratories, Inc. Standard 723. See Appendex A.(2) If floor insulation is used it shall be 5-ply, 5/8-inches thick or it shall equal or exceed properties of exterior type softwood plywood, C-D Grade as specified in Standard PS1-83 issued by the United States Department of Commerce. See Appendix A.The provisions of this § 171.57 adopted August 19, 1983, effective 8/20/1983, 13 Pa.B. 2561; readopted December 4, 1987, effective 12/5/1987, 17 Pa.B. 5052; amended September 13, 1996, effective 9/14/1996, 26 Pa.B. 4411.The provisions of this § 171.57 amended under the Vehicle Code, 75 Pa.C.S. §§ 4103, 4551-4553 and 6103.