Owens Corning, a global building and construction materials company, completed the acquisition of Masonite International Corporation, an interior and exterior doors and door systems firm, for $3.9bn. “The addition of Masonite to Owens Corning marks a significant milestone for our company, as we further strengthen our position as a market leader in building and construction materials. Over the past several years, Owens Corning has been on a journey to transform and grow our company through strategic choices and strong execution. The completion of this acquisition represents the start of an exciting next chapter that allows us to leverage our proven commercial, operational, and innovation capabilities to increase our offering of highly valued branded building materials for our customers,” Brian Chambers, Owens Corning Chairman and CEO.