As evidenced by our name, Fenestra-America was founded by fenestration specialists, craftsmen who built the highest quality Mahogany wood windows and doors. Headquartered in Brooklyn New York, a center for "old world" craftsman and designs who immigrated here through-out the 20th century, our custom Mahogany windows and doors are manufactured in a state of the art, European factory. Fenestra-America's executives and manufacturing technology specialists learned fenestration from designers, and craftsmen who make, by hand, our custom Mahogany windows and Mahogany doors and custom bronze clad windows and bronze clad doors for the most challenging architectural specifications and locations. Built for life-cycle sustainability, our product's technical functionality has been tested for hurricane impact resistance and proven exceedingly reliable in a variety of climates and weather conditions Built with 3-step weatherstripping systems, our custrom Mahogany windows and Mahogany doors offer some of the lowest air-infiltration rates available based on certified laboratory testing.