TAMPA, Fla.--(BUSINESS WIRE)--Masonite International Corporation ("Masonite" or "the Company") (NYSE: DOOR) today announced results for the three months ended March 29, 2015. Executive Summary Net sales increased $12.0 million, or 2.8% to $434.5 million for the first quarter of 2015 compared with the first quarter of 2014. Excluding a 4.9% unfavorable impact from foreign exchange, net sales would have increased by 7.8% to $455.4 million for the first quarter. Net loss attributable to Masonite i