Hardware

Width of the overall glass unit is 1 3/8" top rating in energy efficiency.

Using industry leading hardware in all our windows and doors has increased the beauty, durability and security of Ostaco product lines. Ostaco uses Truth Hardware in their windows in order to insure our customer a well built product. All Truth Hardware units are made in North America and include a complete line of hinges, locks and operators that can match every home owner’s style and taste. Truth Hardware has been an industry leader for over 50 years, as they have continued to make strong and beautiful hardware.