Ostaco is CSA Certified

Width of the overall glass unit is 1 3/8" top rating in energy efficiency.

Is Ostaco C.S.A. Certified?

Ostaco windows are C.S.A. certified we must ensure the highest quality components and manufacturing process.  After all when the C.S.A. Audit Team visits our factory we want to make sure we pass with flying colours.

Visit the CSA website: http://www.csa.ca/cm/home