Roofing Supply Group (RSG), the No. 8 company on the 2011 ProSales 100, today announced it will be acquired by Clayton, Dubilier & Rice, LLC, a private equity firm. The deal is expected to close during the second quarter and terms were not disclosed.

Clayton, Dubilier & Rice obtained committed financing from Deutsche Bank Securities, Goldman, Sachs & Co., Credit Suisse, and UBS Investment Bank. Deutsche Bank and Goldman, Sachs & Co., served as financial advisors and Debevoise & Plimpton LLP acted as a legal advisor. The Sterling Group was advised by Harris Williams.

The Dallas-based roofing material distributor is currently owned by The Sterling Group, a private equity investment firm whose typical value of the companies it owns range from $100 million to $500 million.

Clayton, Dubilier & Rice has managed the investment of approximately $17 billion in 51 U.S. and European companies. Those transactions represent an aggregate transaction value of over $80 billion. The company has invested in a number of building materials businesses, including HD Supply, NCI Building Systems, and Rexel.

RSG posted total sales of $781 million in 2010, with $742 million of that going to professional customers. It operates 59 locations in 24 states throughout the West, Northwest, Southwest, Southeast, and Midwest.