INDEPENDENT AUDITORS' CONSENT We consent to the use in this Registration Statement of GenTek, Inc. on Form S-4 of our report dated February 11, 1999 (March 18, 1999 as to Notes 1 and 3 and July 12, 1999 as to Note 18), appearing in the Prospectus, which is part of this Registration Statement. We also consent to the reference to us under the headings 'Selected Financial Data' and 'Experts' in such Prospectus. /s/ DELOITTE & TOUCHE LLP Parsippany, New Jersey November 16, 1999