Leading market shares in insulation and roofing shingles Well known brand names Good product, end-market and geographic diversity Sound operating cash flow generation through a cycle Significant exposure to highly cyclical construction markets Highly competitive industries Somewhat aggressive position toward share repurchase activity. The rating on Toledo, Ohio-based Owens Corning (OC) reflects our view of the company's satisfactory business risk profile and intermediate financial risk profile. OC's business risk profile is marked by its leading market positions in insulation and roofing products, well-known brand names, improving cost structure, and good product, end-market, and geographic diversity. These strengths are somewhat tempered by the following weaknesses: participation in highly cyclical and competitive markets, and ongoing depressed U.S. housing demand, a key driver