Owens Corning, a global building and construction materials company, agreed to acquire Masonite International Corporation, an interior and exterior doors and door systems firm, for $3.9bn. “We are excited by this opportunity to add a scalable new growth platform for our company. Masonite is a market leader that complements our existing residential interior and exterior product offering and has consistently demonstrated top-line growth and margin expansion. The combination of our commercial, operational, and innovation capabilities allows us to accelerate our long-term enterprise growth strategy with a clear line of sight to meaningful synergies and increased cash flow generation,” Brian Chambers, Owens Corning Chairman and CEO.