Photo gallery

Tetterton with his wife, Lou Ann, in Venice, Italy

Carlson Racine Roofing & Sheet Metal Inc., Racine, Wis., installs a standing-seam copper roof system on the Johnson Athletic Center, Racine.

Photo courtesy of Carlson Racine Roofing & Sheet Metal.

The cupola on the First United Methodist Church, Lancaster, Ohio.

Photo courtesy of The Durable Slate Co., Columbus, Ohio.

St. Patrick Catholic Church in Waukon, Iowa

Photo courtesy of Interstate Roofing & Waterproofing Inc., Onalaska, Wis.

The dome on the Johns Hopkins Hospital Landmark Buildings in Baltimore

Photo courtesy of Ruff Roofers Inc., Baltimore.

The Semper Fit Field House in Camp Pendleton, Calif.

Photo courtesy of Keystone Roofing Inc., Oceanside, Calif.

The PVC membrane roof system on The Shops at Arizona Center, Phoenix

Photo courtesy of Clark's Quality Roofing, Murray, Utah.

Shirley's Place in Washington, D.C.

Photo courtesy of Denchfield Roofing Corp., Silver Spring, Md.

The ridge vent and cap shown are designed to be installed before the roofing panels are installed. This has proved to be a watertight system that can be applied more efficiently and safely than ridge caps that are installed after panel installation.

Photo courtesy of Dan Perkins Construction Inc., Ishpeming, Mich.