Strong first-quarter earnings growth positions the company for success in 2013. The company improved adjusted EBIT by $34 million in Q1 2013 and expects full-year adjusted EBIT to grow by at least $100 million. Upside to the outlook will depend on the pace of the US housing recovery and its impact on building materials margins. Owens Corning composites is positioned for improved returns as the glass fiber market grows and capacity utilization tightens due to rebuilding needs in China.