Devon II

Revolutionary Performance and Protection.

How you live is more than how you look. It’s how you perform. How you act and feel, under every condition life can
throw your way. We can say this with certainty, because we’ve been around long enough to experience (and help
guide) the evolution of window thermal efficiency. And, we’ve taken part in revolutionary ideas in performance
and protection along the way. Today, when it comes to thermal efficiency, no other vinyl window manufacturer can
match CertainTeed’s commitment to producing the highest quality, most thermally efficient windows and doors on
the market.