 TAMPA, Fla.--BUSINESS WIRE--Masonite International Corporation NYSE: DOOR, a leading global designer, manufacturer, marketer and distributor of interior and exterior doors, today announced plans to invest in a new door manufacturing facility in Fort Mill, SC. Were excited about this opportunity to better serve our customers by expanding our capacity with an additional facility in the Southeast, said Howard Heckes, Masonite President and CEO. The new plants location is ideally suited fr 