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Ostaco Windows & Doors is a window and door manufacturer based in Concord, ON. Ostaco manufactures vinyl windows, entry door systems and patio doors. Go to full description...
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Ostaco Windows & Doors, Concord Reviews (3)
Ostaco's team was very helpful and knowledgeable. They made is easy for me to choose the patio doors I wanted and I was very satisfied with their doors.
Thank you Ostaco
Additional business details
Throughout its history Ostaco has prided itself on setting the benchmark in the Canadian window and door marketplace by providing high quality, innovative, energy efficient products coupled with exceptional customer service. The 20 year Ostaco warranty is one of the best in the industry and can be offered because of Ostaco's outstanding quality control measures.
Ostaco products have been 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.