EXHIBIT 12.1 FALCON BUILDING PRODUCTS, INC. RATIO OF EARNINGS TO FIXED CHARGES (IN MILLIONS, EXCEPT RATIOS) (UNAUDITED) THREE MONTHS ENDED YEAR ENDED DECEMBER 31, MARCH 31, ----------------------------------------------------- -------------------- 1992 1993 1994 1995 1996 1996 1997 --------- --------- --------- --------- --------- --------- --------- Income from continuing operations before income taxes.............................. $ 32.4 $ 37.2 $ 43.4 $ 35.8 $ 48.8 $ 8.8 $ 10.0 Add back: Interest expense.......................... 10.0 8.0 8.2 9.8 10.6 2.6 2.7 Amortization of debt expense.............. -- -- 0.2 0.5 0.6 0.2 0.2 Interest element in rentals............... 0.1 0.1 0.1 0.2 0.4 0.1 0.1 --------- --------- --------- --------- --------- --------- --------- Earnings.................................... $ 42.5 $ 45.3 $ 51.9 $ 46.3 $ 60.4 $ 11.7 $ 13.0 --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- Fixed charges: Interest expense.......................... $ 10.0 $ 8.0 $ 8.2 $ 9.8 $ 10.6 $ 2.6 $ 2.7 Amortization of debt expense.............. -- -- 0.2 0.5 0.6 0.2 0.2 Interest element in rentals............... 0.1 0.1 0.1 0.2 0.4 0.1 0.1 --------- --------- --------- --------- --------- --------- --------- Total fixed charges......................... $ 10.1 $ 8.1 $ 8.5 $ 10.5 $ 11.6 $ 2.9 $ 3.0 --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- Ratio of Earnings to Fixed Charges.......... 4.2 5.6 6.1 4.4 5.2 4.0 4.4 --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- PRO FORMA -------------------------------- YEAR ENDED THREE MONTHS DECEMBER 31, ENDED MARCH 31, 1996 1997 --------------- --------------- Income from continuing operations before income taxes.............................. $ 14.4 $ 1.2 Add back: Interest expense.......................... 41.0 10.4 Amortization of debt expense.............. 2.6 0.7 Interest element in rentals............... 0.4 0.1 ----- ----- Earnings.................................... $ 58.4 $ 12.4 ----- ----- ----- ----- Fixed charges: Interest expense.......................... $ 41.0 $ 10.4 Amortization of debt expense.............. 2.6 0.7 Interest element in rentals............... 0.4 0.1 ----- ----- Total fixed charges......................... $ 44.0 $ 11.2 ----- ----- ----- ----- Ratio of Earnings to Fixed Charges.......... 1.3 1.1 ----- ----- ----- -----