1 EXHIBIT 12.1 ATRIUM COMPANIES, INC. COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Pro Forma ----------- Year Ended December 31, Year Ended ---------------------------------------------------- December 31, 1992 1993 1994 1995 1996 1996 ------- ------- ------- ------- ------- ----------- FIXED CHARGES: Interest expense ...............$ 512 $ 377 $ 355 $ 2,615 $ 4,507 $10,361 Implicit interest in rent ...... 334 367 500 1,052 670 746 Amortization of deferred financing costs............. -- -- -- 138 279 603 ------- ------- ------- ------- ------- ------- Total Fixed Charges ........ 846 744 855 3,805 5,456 11,710 Earnings before provision for income taxes ...................... 8,452 10,246 9,795 3,393 8,078 9,597 Fixed charges ...................... 846 744 855 3,805 5,456 11,710 ------- ------- ------- ------- ------- ------- EARNINGS, AS DEFINED ....... 9,298 10,990 10,650 7,198 13,534 21,307 Ratio of earnings to fixed charges ........................ 11.0x 14.8x 12.5x 1.9x 2.5x 1.8x