Photo gallery

Van Winkle with her husband, Lance

A mechanical seal provides a watertight connection to the existing drain leader. The seal expands as it is tightened in place and exceeds the ANSI/SPRI RD-1 standard of holding a 10-foot column of water without leaking for 24 hours.

Photo courtesy of OMG Roofing Products, Agawam, Mass.

In place of a traditional clamping ring, a TPO target sheet is hot-air welded to a TPO coated flange as one of the final steps to a retrofit roof drain installation.

Photo courtesy of OMG Roofing Products, Agawam, Mass.

Wire brushing an old cast-iron strainer is one of the many steps of the reworking process.

Photo courtesy of OMG Roofing Products, Agawam, Mass.

This image shows the typical components of a retrofit roof drain, which include a strainer, clamping ring, flange studs, drain flange, drain stem and mechanical seal.

Photo courtesy of OMG Roofing Products, Agawam, Mass.

Depending on the application, a scupper-style retrofit roof drain is just one of the options available to commercial roofing contractors.

Photo courtesy of OMG Roofing Products, Agawam, Mass.

The 80-year-old patina copper roof system before replacement

Photo courtesy of RGT Enterprises Inc., West Hanover, Mass.

Pictured top to bottom: New 20-ounce double-locked standing-seam copper panels were formed on site; an aerial view of the completed copper roof system

Photos courtesy of RGT Enterprises Inc., West Hanover, Mass.

Milton Post Office, Milton, Mass.

Photo courtesy of RGT Enterprises Inc., West Hanover, Mass.