December 2012
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Van Winkle with her husband, Lance

From the article: Details
Issue: December 2012



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.

From the article: Delving into drains
Issue: December 2012



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.

From the article: Delving into drains
Issue: December 2012



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.

From the article: Delving into drains
Issue: December 2012



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.

From the article: Delving into drains
Issue: December 2012



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.

From the article: Delving into drains
Issue: December 2012



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

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

From the article: Going postal
Issue: December 2012



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.

From the article: Going postal
Issue: December 2012



Milton Post Office, Milton, Mass.

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

From the article: Going postal
Issue: December 2012


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