<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 FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1998 AND FOR ADVANCED
GLASSFIBER YARNS LLC FOR THE THREE MONTHS ENDED DECEMBER 31, 1998.
</LEGEND>
<CIK> 0001078420
<NAME> ADVANCED GLASSFIBER YARNS LLC
       
                                                                                           
<PERIOD-TYPE>                        YEAR                   YEAR                    9-MOS                 3-MOS
<FISCAL-YEAR-END>                DEC-31-1996             DEC-31-1997             DEC-31-1998            DEC-31-1998
<PERIOD-START>                   JAN-01-1996             JAN-01-1997             JAN-01-1998            OCT-01-1998 
<PERIOD-END>                     DEC-31-1996             DEC-31-1997             SEP-30-1998            DEC-31-1998 
<CASH>                                     0                       0                       0                 12,779 
<SECURITIES>                               0                       0                       0                      0 
<RECEIVABLES>                         24,798                  20,691                       0                 35,480 
<ALLOWANCES>                           1,490                   1,419                       0                  2,823 
<INVENTORY>                           21,246                  19,168                       0                 24,691 
<CURRENT-ASSETS>                      48,992                  43,127                       0                 70,344 
<PP&E>                               246,756                 248,537                       0                155,117 
<DEPRECIATION>                       139,446                 142,979                       0                  2,753 
<TOTAL-ASSETS>                       163,839                 153,961                       0                465,469 
<CURRENT-LIABILITIES>                 53,936                  54,999                       0                 38,283 
<BONDS>                                    0                       0                       0                      0 
<PREFERRED-MANDATORY>                      0                       0                       0                      0 
<PREFERRED>                                0                       0                       0                      0 
<COMMON>                                   0                       0                       0                      0 
<OTHER-SE>                            36,850                  30,940                       0                 21,285 
<TOTAL-LIABILITY-AND-EQUITY>         163,839                 153,961                       0                465,469
<SALES>                              274,979                 277,357                 205,248                 63,403 
<TOTAL-REVENUES>                     274,979                 277,357                 205,248                 63,403 
<CGS>                                180,343                 182,366                 134,820                 42,952 
<TOTAL-COSTS>                        180,343                 182,366                 134,820                 42,952 
<OTHER-EXPENSES>                           0                       0                       0                      0 
<LOSS-PROVISION>                           0                       0                       0                      0
<INTEREST-EXPENSE>                         0                       0                       0                  9,113 
<INCOME-PRETAX>                       83,294                  82,866                  59,235                  4,275 
<INCOME-TAX>                          33,051                  32,540                  16,226                      0 
<INCOME-CONTINUING>                   50,243                  50,326                  43,009                  4,275 
<DISCONTINUED>                             0                       0                       0                      0 
<EXTRAORDINARY>                            0                       0                       0                      0 
<CHANGES>                                  0                       0                       0                      0 
<NET-INCOME>                          50,243                  50,326                  43,009                  4,275 
<EPS-PRIMARY>                              0                       0                       0                      0 
<EPS-DILUTED>                              0                       0                       0                      0