the most weather-resistant hardwood exterior shutter ever made

Extira® is a trademark of CMI

O'Hair Exteriors™ American hardwood exterior shutters provide an unrivaled combination of beauty, stability and resistance to the extremes of heat, cold and humidity. They are the most weatherproof wooden shutters available anywhere.

This is due to an exclusive O'Hair thermal process that renders the hardwood totally inert, immune to damage by insects, and offering twice the weather resistance of Extira™-based products.

O'Hair Exteriors™ are a superior window treatment for home or business and are ideal for both standard window applications and for enhancing decks and outdoor kitchen environments. For more information please refer to our questions page.

the first and only thermally modified exterior shutter