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                                                                    EXHIBIT 99.7

                               POWER OF ATTORNEY


The undersigned hereby authorizes Robert R. Harlin and Kenneth G. Jackson, and
each of them, as attorney-in-fact and agent, with full power of substitution
and resubstitution, to sign on his, her, or its behalf and to file with the
Securities and Exchange Commission any Schedule 13E-3, Schedule 13D and Forms
3, 4, or 5, and any and all amendments thereto, of the undersigned relating to
the undersigned's stockholdings in Shaw Industries, Inc., the transactions
contemplated by the Agreement and Plan of Merger dated as of October 19, 2000
by and among SII Acquisition Corp., Shaw Industries, Inc., and Berkshire
Hathaway Inc., and any related agreements, granting to such attorney-in-fact
and agent full power and authority to perform any other act on behalf of the
undersigned required to be done in the premises.


                                          Date: December 5, 2000


                                          CLUB DEVELOPMENT ASSOCIATES, INC.


                                          By: /s/ MIKE SANDERS
                                              -------------------------------
                                          Name:  Mike Sanders
                                          Title: President


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