WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF THE GLASS YARNS AND SPECIALTY MATERIALS BUSINESS, A
BUSINESS UNIT OF OWENS CORNING, FOR THE YEARS ENDED DECEMBER 31, 1995, 1996 AND
1997, AND THE NINE MONTHS ENDED SEPTEMBER 30, 1998 AND THE THREE MONTHS ENDED
MARCH 31, 1998 AND FOR ADVANCED GLASSFIBER YARNS LLC FOR THE THREE MONTHS ENDED
DECEMBER 31, 1998 AND MARCH 31, 1999.
</LEGEND>
<CIK> 0001078420
<NAME> ADVANCED GLASSFIBER YARNS LLC
<PERIOD-TYPE> 12-MOS 12-MOS 9-MOS 3-MOS 3-MOS 3-MOS
<FISCAL-YEAR-END> DEC-31-1996 DEC-31-1997 DEC-31-1998 DEC-31-1998 MAR-31-1998 MAR-31-1999
<PERIOD-START> JAN-01-1996 JAN-01-1997 JAN-01-1998 OCT-01-1998 JAN-01-1998 JAN-01-1999
<PERIOD-END> DEC-31-1996 DEC-31-1997 SEP-30-1998 DEC-31-1998 MAR-31-1998 MAR-31-1999
<CASH> 0 0 0 12,779 0 20,443
<SECURITIES> 0 0 0 0 0 0
<RECEIVABLES> 24,798 20,691 0 35,480 31,439 40,954
<ALLOWANCES> 1,490 1,419 0 2,823 1,400 3,504
<INVENTORY> 21,246 19,168 0 24,691 15,547 26,636
<CURRENT-ASSETS> 48,992 43,127 0 70,344 50,363 85,241
<PP&E> 246,756 248,537 0 155,117 105,012 156,375
<DEPRECIATION> 139,446 142,979 0 2,753 2,131 5,847
<TOTAL-ASSETS> 163,839 153,961 0 465,469 160,775 476,443
<CURRENT-LIABILITIES> 53,936 54,999 0 38,283 30,292 65,273
<BONDS> 0 0 0 0 0 0
<PREFERRED-MANDATORY> 0 0 0 0 0 0
<PREFERRED> 0 0 0 0 0 0
<COMMON> 0 0 0 0 0 0
<OTHER-SE> 36,850 30,940 0 21,285 62,434 17,319
<TOTAL-LIABILITY-AND-EQUITY> 163,839 153,961 0 465,469 160,775 476,443
<SALES> 274,979 277,357 205,248 63,403 72,889 61,970
<TOTAL-REVENUES> 274,979 277,357 205,248 63,403 72,889 61,970
<CGS> 180,343 182,366 134,820 42,952 48,110 41,994
<TOTAL-COSTS> 180,343 182,366 134,820 42,952 48,110 41,994
<OTHER-EXPENSES> 0 0 0 0 0 0
<LOSS-PROVISION> 0 0 0 0 0 0
<INTEREST-EXPENSE> 0 0 0 9,113 0 9,380
<INCOME-PRETAX> 83,294 82,866 59,235 4,275 19,692 2,838
<INCOME-TAX> 33,051 32,540 16,226 0 7,877 0
<INCOME-CONTINUING> 50,243 50,326 43,009 4,275 11,815 2,838
<DISCONTINUED> 0 0 0 0 0 0
<EXTRAORDINARY> 0 0 0 0 0 3,616
<CHANGES> 0 0 0 0 0 0
<NET-INCOME> 50,243 50,326 43,009 4,275 11,815 (778)
<EPS-BASIC> 0 0 0 0 0 0
<EPS-DILUTED> 0 0 0 0 0 0