Exhibit 12

PPG INDUSTRIES, INC. AND CONSOLIDATED SUBSIDIARIES

Computation of Ratio of Earnings to Fixed Charges

(Dollars in millions)

	Nine months ended September 30, 2007		Year Ended December 31
			2006		2005		2004		2003		2002
Earnings:
Earnings (loss) before income taxes and net earnings in equity affiliates	$	928	$	928	$	856	$	914	$	723	$	(152	)
Plus:
Fixed charges exclusive of capitalized interest		106		130		122		125		145		163
Amortization of capitalized interest		6		8		9		10		10		11
Adjustments for equity affiliates		20		16		19		5		2		4
Total	$	1,060	$	1,082	$	1,006	$	1,054	$	880	$	26
Fixed Charges:
Interest expense including amortization of debt discount/premium and debt expense	$	67	$	83	$	81	$	90	$	107	$	128
Rentals – portion representative of interest		39		47		41		35		38		35
Fixed charges exclusive of capitalized interest		106		130		122		125		145		163
Capitalized interest		9		7		5		3		3		5
Total	$	115	$	137	$	127	$	128	$	148	$	168
Ratio of earnings to fixed charges		9.2		7.9		7.9		8.2		5.9		—
Deficiency of earnings to fixed charges	$	—	$	—	$	—	$	—	$	—	$	(142	)

The financial information of all prior periods has been reclassified to reflect discontinued operations.