PPG Spacers Among First Submitted for NFRC CMAST Software Database

Enables performance modeling with INTERCEPT stainless and tin-plated spacers

PITTSBURGH - PPG Industries' (NYSE:PPG) INTERCEPT® stainless steel and tin-plated spacers are among the first spacer products added to the National Fenestration Rating Council's (NFRC's) Component Modeling Approach Software Tool (CMAST) database.

The submission enables energy consultants, window manufacturers and other industry professionals to configure fenestration products with Intercept spacers to determine their U-factor, solar heat-gain coefficient and visible light transmittance. These are key measures for code compliance and energy certification for buildings and their glazing systems.

Paul Bush, manager technical services, PPG performance glazings, said Intercept spacers were submitted to CMAST to support the commercial window manufacturers who use them. "With the CMAST calculations, our customers can fully document the performance advantages of Intercept spacers according to a uniform standard that is accepted throughout the industry," he said. "Ultimately, that will help them sell more windows."

According to the NFRC, Intercept stainless steel or tin-plated spacers each can be modeled in CMAST in 21 finished airspace widths ranging from 6.35 to 22.23 millimeters (0.250 to 0.875 inches). The products are configured as Path III spacers, which enables software users to benefit fully from the actual Intercept spacer geometry and effective conductivity (Keff).

Under the NFRC's Component Modeling Approach (CMA), fenestration products such as windows, doors and skylights are examined in terms of their glazing, frame and spacer components. CMAST software calculates the performance values of these components in combination to help energy consultants maximize the energy efficiency of fenestration products.

Intercept spacers are the window industry's most popular and trusted insulating unit technology. In addition to being used by select commercial window manufacturers, these products have been incorporated into more than half of the residential windows manufactured in the United States since they were introduced in 1992. To learn more, visit www.ppgideascapes.com or call 1-888-PPG-IDEA (774-4332).

About PPG
PPG Industries' vision is to continue to be the world's leading coatings and specialty products company. Founded in 1883, the company serves customers in industrial, transportation, consumer products, and construction markets and aftermarkets. With headquarters in Pittsburgh, PPG operates in more than 60 countries around the globe. Sales in 2009 were $12.2 billion. PPG shares are traded on the New York Stock Exchange (symbol: PPG). For more information, visit www.ppg.com.

Rob Struble
PPG Performance Glazings

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