Terms & Conditions
Due to Ostaco's on-going research and development, we reserve the right to make changes without notice.
Warranty and test results are available on our website or upon request.
Ostaco Windoors Inc. manufactures vinyl window and patio door systems made from LEAD-FREE uPVC (polyvinyl Chloride). Windows and doors manufactured by Ostaco are installed and distributed by authorized independent dealers. Subject to certain terms and conditions, Ostaco offers a lifetime warranty on all its products. Details are available upon request. Ostaco Windoors is not responsible for faulty installation of products. Ostaco has gone to every effort to ensure that the information contained herein is accurate. However, Ostaco accepts no responsibility whatsoever for any errors in or omissions form the website and reserves the right to discontinue, replace or make changes to any of its products without incurring liability.
For more information about out quality products, visit out affiliate websites:
Glass
- Therma-Tru www.thermatru.com
- Trimlite www.trimlite.com
- O.D.L www.odl.com
- Medieval Glass www.medievalglass.com
- Cardinal Glass www.cardinalcorp.com
Paint
- Royal Technologies www.royalgrouptech.com
Extrusions
- P.H Tech www.phtech.ca
- Royal Technologies www.royalgrouptech.com
Testimonials
Your windows and doors came very highly recommended. My new house looks spectacular. I am glad I listened to the recommendations given to me.
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Frank Chanady
To Dundas Wood Windows: Nelson, just wanted to write a quick thank you note to you and your team for the fine job you did with our new Ostaco ...
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Robert (Rob) Ribarich
When I contacted a local dealer about windows for the house that we were building , he showed me a number of different types and suppliers. I wanted ...
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Gerry Goreski
It was most appreciated and we are pleased to see such good service at Lambden
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J. and B. Madden, Ottawa, ON
We are very pleased we selected Ostaco windows and doors. The installation was flawless and the results spectacular. The new windows enhanced our ...
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Trish and Ronald Walker


