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                                                                    Exhibit 23.b


                       CONSENT OF INDEPENDENT ACCOUNTANTS


         We consent to the incorporation by reference in the prospectuses and
prospectus supplements included in the registration statements of Masco
Corporation on Form S-3 (Registration Nos. 33-2374, 33-42722 and 33-53330) and
on Form S-8 (Registration Nos. 2- 54711, 2-95969, 33-28142, and 33-42229) of
our report dated February 24, 1994, on our audits of the consolidated financial
statements of MascoTech, Inc. and subsidiaries as of December 31, 1993 and
1992, and for each of the three years in the period ended December 31, 1993,
which report is included in this Current Report on Form 8-K.  We also consent
to the reference to our Firm under the caption "Experts" in such prospectuses
and prospectus supplements.



/s/ COOPERS & LYBRAND

Detroit, Michigan
March 1, 1994