Window Seal has been manufacturing for over 30 years. We have been fabricating our current line for 10 years. We can say we have a great window system that has given our customers excellent results for quality and value. Window Seal is one of a few Canadian companies that completes a window from start to finish, we extrude or own vinyl, make our own insulated units and fabricate our very own window system.

FAQs Archive - Window Seal

Q: How can I make sure Window Seal is real?

In many cases customers are given a perceived value with no substantial evidence. Window Seal stands behind our product and welcomes all inquiries or visits.

Q: What hardware is being used?

Window seal has been using the same supplier for over 11 years with excellent results.

Q: Does your window have a U value

The U value, will be identified on NRcan label. The lower the U value the better the insulating value. Window Seal 5000 series casement U value =1.41 , please check appropriate zone requirements as U value will change per series of window types and climate zones.

Q: Does your window have an ER value

ER value demonstrates the over all performance of a window and will be identified on NRcan label. The higher the ER number the more efficient the product. Eg. Window Seal 5000 series casement ER=34, please check appropriate zone requirements as ER ratings will change per series of window types and climate zones.

Q: Where does your insulated glass come from?

Window Seal has been insulating our own glass since 1991. All sealed units are made with integrity through our automated glass line, no room for human error.

Q: Is the window frame and sash welded at the same time?

Window seal uses automated welders, that weld the sash and frame at the same time, this gives a reliable window seal making sure sash and frame are snug when operating.