Since 1981, Ostaco Windows & Doors have been in the business of manufacturing professional quality custom window and door systems. It is Ostaco's mission to meet every customer's unique demands from contractors to architects to all types of home professionals.
Throughout its history, Ostaco has prided itself on setting the benchmark in the Canadian window and door industry by providing innovative, energy efficient products coupled with exceptional customer service. The 20-year Ostaco manufacturer warranty is one of the best in the business and can be offered because of Ostaco's outstanding quality control measures.
Ostaco products have been professionally tested and are certified by the National Fenestration Rating Council (NFRC) and carry the Energy Star Rating. Ostaco's facility and procedures are certified by the National Accreditation and Management Institute (NAMI). Ostaco Windows & Doors are a member of the Canadian Window and Door Manufacturers Association.
Bifold Doors, Custom Exterior Doors, Custom Folding Doors, Door Sales, Custom Doors, Custom Windows, Custom Patio Doors, Fiberglass Doors, Hybrid Windows, Patio Doors, Painted Windows
Concord, Carleton Village, Don Mills, Dovercourt, Hamilton, Hillcrest Village, Junction Triangle, London, Maple, Markham, North York, Thorncliffe, Toronto, Unionville, Vaughan, Woodbridge, Wychwood Park, York, York Mills, Brampton, Mississauga