Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of Owens Corning of (1) our report dated June 26, 2007 relating to the financial statements of Owens Corning Savings Plan which appears in the Annual Report on Form 11-K filed June 29, 2007; and (2) our report dated June 26, 2007 relating to the financial statements of Owens Corning Savings and Security Plan which appears in the Annual Report on Form 11-K filed June 29, 2007.
/s/ Plante & Moran, PLLC
Toledo, Ohio
May 6, 2008
