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5990 14th Avenue
Markham, Ontario, Canada
L3S 4M4
Tel: [905] 201-7885
Toll Free: [888] OSTACO-1
Fax: [905] 201-7883

 
 

The Test of Time.

With Ostaco all-u-PVC patio doors, you will enjoy a premium quality, virtually "trouble-free" door, uniquely designed to provide years of outstanding performance, durability and elegance. Ostaco patio doors meet the most stringent testing standards in our industry.Whether it's air or water infiltration, wind load resistance, ease of operation or forced entry ratings, our patio doors offer performance levels that will meet your highest expectations.

Guaranteed to make a lasting impression on you, your home and your life.



Featuring

We are so happy we had Ostaco windows installed in our brand new home.

It helps our home function as efficiently as a newly built home ought to! The windows are not only beautiful but energy efficient as well, and Ostaco was able to do such amazing shapes and designs for us, that we couldn’t find with any other window company.

The service we received was always prompt and any concerns we had were always addressed and resolved with our needs in mind. The tradespeople coming into our new home always commented on the quality and detail that was put into these windows. I would not have any other windows but Ostaco.

Dr. Nancy Tarzwell

 © 2005 Ostaco Windoors Inc.