Proper ventilation products from Owen's Corning, help maintain a comfortable temperature inside a home, increase energy efficiency, prevent moisture damage and contribute to the longevity of a roof.

Lomanco attic intake ventilation provides a steady flow of air that carries heat out of the attic before the heat radiates to the inside of your home.

Lomanco roof vents assure a continuous flow of air to help maintain low levels of humidity and heat build-up.

NorWesCo's complete line of galvanized building products are strong, easy to install, and come with a lifelong guarantee of durability. Our building products include venting products and a variety of other products to suit your building needs.