Ostaco Master Grain Doors


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Ostaco Windows and Doors is one of Canada’s most respected fabricators of entry door systems. For many years, we have met our customers’ highest expectations by providing door systems of exceptional quality and durability that are the ultimate in efficiency, style and elegance.
Ostaco Windows and Doors remains committed to our customers’ complete satisfaction, and we are proud to have partnered with Therma Tru Doors to continue improving upon our already outstanding Door System!

Door Systems: Ostaco Windows and Doors has partnered with Therma Tru to offer the Tru Defense ® Door System
What exactly is the Tru Defense ® Door System?

It is the new standard for reliable performance! The Tru Defense ® Door System maximizes the seal between the door and the frame to keep out the damaging effects of wind and rain, and increase energy efficiency.

The secret of the Tru Defense ® Door System performance is a combination of components designed and engineered to work together to perform better in an assortment of weather conditions.

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