Founded in 1886, GAF has grown to become North America’s largest manufacturer of commercial and residential roofing.

CertainTeed has earned a reputation as a premier building materials manufacturer for more than 100 years.

Since Owens Corning was founded in 1938, the company has continued to grow as a market-leading innovator of glass fiber technology.

The privately owned business was founded in 1903 by Danish immigrant Hans Andersen and his family in Hudson, Wisconsin, where logs arrived via the St. Croix River.

Year after innovative year. A lot has changed since TAMKO® first opened its doors with a single asphalt shingle line in 1944. But one thing remains the same: TAMKO’s commitment to constantly moving the industry forward.

From our early days, VELUX has set out to be a model company developing useful products and treating our customers, suppliers, employees and shareholders in an exemplary manner.

LeafSolution is the pioneer of the micro mesh gutter guard industry. In 2003, Leaf Solution began manufacturing the first gutter guard to use a stainless steel mesh.

Crane Plastics brings 15 years experience in gutter protection and a long heritage of making building products that are tough as nails, easy to install, and do the job right.

Royal Building Products is a leading manufacturer and distributor of building materials. We are unique in our vertical integration from raw materials from our parent company Georgia Gulf Corporation through to manufacturing and onto distribution.

The success Simonton enjoys today can be traced back to the simple philosophy, core beliefs and old-fashioned values that first took root in 1946 in a small town called Pennsboro, West Virginia.

Some people are amazed at the skill level and sheer brain power that Wincore® has had from day one. Truth be told, so are we. We’re extremely proud of the team that has taken shape.