1 EXHIBIT 23.1 Consent of Independent Auditors We consent to the reference to our firm under the caption "Experts" and to the use of our report dated August 15, 1997, in Amendment No. 1 to the Registration Statement (Form S-4 No. 333-34391) and related Prospectus of Glasstech, Inc. dated October 8, 1997. /s/ Ernst & Young LLP Ernst & Young LLP Toledo, Ohio October 8, 1997