New Joint Compound Produces 'Heavy
Dust' for Less Mess and Faster Cleanup

Keeps Dust Down When Drywalling
CHICAGO, IL — October 2006 — With every home renovation or new construction project, whether done by a professional or a weekend do-it-yourselfer (DIYer), comes the inevitable mess from drywall sanding. Now there's an innovative new way to reduce airborne drywall dust with SHEETROCK^® brand dust control joint compound from USG.

This newly formulated joint compound has a unique quality that binds dust particles together and creates a "heavy dust" that, when sanded, falls straight to the floor. This joint compound produces the same quality finish as other all-purpose muds, without the cloud of dust — making prep time and cleanup faster and easier. The dust control properties of SHEETROCK brand dust control joint compound have been independently verified with Worker Industrial Hygiene Testing.

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This ready-mix product is ideal for all types of remodeling products. It weighs up to 35 percent less than conventional compounds, making handling, application and sanding quick and simple.

"The mess associated with drywall has long been a concern to contractors and homeowners alike, often times enough to deter taking on significant remodeling projects," said Myron Ferguson, a nationally recognized drywall authority and president, Ferguson Drywall Innovations. "USG's new joint compound addresses that concern and effectively minimizes dust, making cleanup easier and more efficient. I think this is a great new product."

In addition, the material's low shrinkage, excellent adhesion and resistance to cracks help users save time and money by enabling them to apply just two coats of compound when covering metal surfaces such as corner beads and fasteners. It bonds like a taping product for a tough, tight seal under most job site conditions.

SHEETROCK brand dust control joint compound is packaged in a distinctive 3-1/2 gallon pail with a blue lid in the eastern and central United States, and a 3-1/2 gallon carton in the western U.S. It is available at home improvement retailers, lumberyards, and paint and decorating stores. For more information, visit www.downwithdust.com.

About www.downwithdust.com
USG created the "down with dust" Web site, www.downwithdust.com, for contractors and DIYers to learn more about SHEETROCK brand dust control joint compound and provide feedback about their experience with the product.

About USG Corporation
USG Corporation is a Fortune 500 manufacturer and distributor of high-performance building systems through its United States Gypsum Company, USG Interiors, Inc. and L&W Supply Corporation subsidiaries. Headquartered in Chicago, the company serves the residential and non-residential construction markets, repair and remodel construction markets, and industrial processes. USG's wall, ceiling, flooring and roofing products provide leading-edge building solutions for customers, while L&W Supply center locations efficiently stock and deliver building materials nationwide. For additional information, visit the USG Web site at www.usg.com.

USG Corporation
550 West Adams
Chicago IL 60661

Contact
Kevin Metz
HSR Business to Business
312-595-0203
kmetz@hsr.com