NEW YORK (AP) -- Aluminum manufacturer Alcoa said Monday it has agreed to buy privately held window and door maker Traco for an undisclosed sum.
Traco will become part of Alcoa's building and construction systems business.
Traco was founded in 1943 and has about 650 employees. It is based in Cranberry, Pa., which is north of Alcoa's Pittsburgh headquarters.
Alcoa makes aluminum for a wide range of industries from aerospace and construction, for products from electronics to drink cans.
In morning trading, Alcoa shares fell 20 cents to $11.03.
