Exhibit No. 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement of PPG Industries, Inc. on Form S-8 of our report dated January 15, 2004, appearing in the Annual Report on Form 10-K of PPG Industries, Inc. for the year ended December 31, 2003.
/s/ Deloitte & Touche LLP
DELOITTE & TOUCHE LLP
Pittsburgh, Pennsylvania
November 22, 2004