USG Corporation (NYSE: USG) and Tremco Commercial Sealants & Waterproofing (CS&W) today announced the Securock ® ExoAir ® 430 System — the first integrated gypsum sheathing panel with a factory-applied fluid air-barrier membrane — has been named to BuildingGreen's Top 10 Green Building Products for 2017.

"To have the Securock ® ExoAir ® 430 System recognized for its features and environmental benefits by BuildingGreen is truly an honor," said Kurt Peterson, Senior Director, Building Envelope Solutions, at USG. "We worked tirelessly with our colleagues at Tremco to create a system that improves the construction process and gives our clients and customers the best possible air-barrier solution on the market."

A critical environmental advantage of the Securock ® ExoAir ® 430 System, compared with standard peel-and-stick and fluid-applied membranes, is its minimized jobsite waste (since there are no tapes, sheet goods, or pails of fluid to transport or dispose). In addition, the three key system components — USG Securock ® Brand gypsum wallboard, Tremco's ExoAir ® 230 Membrane and Dymonic ® 100 — have all been certified GREENGUARD Gold.

"Our buildings have to combine performance and environmental stewardship. Securock ® ExoAir ® 430's all-in-one sheathing and factory-applied air/water barrier helps ensure proper installation of a complete weather barrier system, while minimizing jobsite and material waste, contractor resources, and exposure to chemicals onsite," said Brent Ehrlich, Products and Materials Specialist, BuildingGreen, Inc.

USG and Tremco are well known and established manufacturers in the building materials industry, and the products that make up the system are equally proven.

"Collaborating with USG on the development, launch and sale of the Securock ® ExoAir ® 430 System is an exceptional experience," said Chuck Houk, President, Tremco Commercial Sealants & Waterproofing Division. "We are both aligned in our commitment to manufacturing high-quality, sustainable products. We are pleased to have this product recognized by BuildingGreen."

Winners were announced today, October 5, 2016 at the Greenbuild Expo. Greenbuild is the world's largest conference and expo dedicated to green building.

About USG Corporation

USG Corporation is a manufacturer and distributor of innovative, high-performance building systems through its United States Gypsum Company, USG Interiors, LLC and L&W Supply Corporation subsidiaries and its USG Boral Building Products joint venture. Headquartered in Chicago, USG's worldwide operations serve the commercial, residential, and repair and remodel construction markets, enabling our customers to build the outstanding spaces where people live, work and play. USG wall, ceiling, exterior sheathing, flooring underlayment and roofing systems provide leading-edge building solutions, while L&W Supply branch locations efficiently stock and deliver building materials throughout the United States. USG Boral Building Products is a leading plasterboard and ceilings joint venture across Asia, Australasia, and the Middle East. USG and its subsidiaries are proud sponsors of the U.S. Olympic and Paralympic teams and the Canadian Olympic team. For additional information, visit

About Tremco

Tremco Commercial Sealants & Waterproofing is a leading supplier of integrated building envelope solutions for the commercial construction industry. Product lines include high-performance silicone and urethane joint sealants, waterproofing membranes, drainage protection, air barrier systems, engineered transition assemblies, deck coatings, a full line of passive fire protection products and systems, and a comprehensive line of glazing systems including silicone sealants, tapes, gaskets, and setting blocks. With experienced sales representatives in every major market throughout North America, Tremco is positioned to provide assistance for specification development, application-specific product development, problem-solving and assistance on- site. For more information about Tremco Commercial Sealants & Waterproofing and its product lines, go to

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