After alot of research I chose Ostaco as my window and door supplier for a renovation project and am very happy i did. Although they do not sell directly to the public i was told by my dealer that i could go to Ostaco's showroom. I did go to have a look and Melissa was very knowledgeable in answering any questions I had. Product is beautiful and what a difference from my old windows and doors. Certainly saw proof of that over the last few days when the temperature was -27.

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