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Jay R. Smith Mfg. Co.
2781 Gunter Park Dr. East
Montgomery, AL 36109-1405 USA
© [[copyRightYear]] Jay R. Smith Mfg. Co., Inc. All Rights Reserved.
Built by Morris Group International, Inc.
Member of Morris Group International
Figure Number: 1740
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1740Caulking Type Roof Coupling

This roof coupling is used as a counterflashing sleeve designed to ensure watertightness where roofing membranes are terminated at a stack which protrudes through the roof. Made of Duco coated cast iron, it is installed covering the roofing membrane surrounding the stack. A caulk joint is then made between upper hub of sleeve and stack, effectively waterproofing the entire assembly.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Learn More about this warning
Shows specifications for standard configuration. Configuration options may change specifications.
  • Optional Materials
    Galvanized Cast Iron -G
  • Product Type
    Roof Drain
SubmittalSubmittal 1740 Roof Drain Accessory (pdf)
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Technical Drawings
1740 Roof Drain Accessory (dwg)Roof Coupling [1740C | Caulk Type]DWG35 KB
1750 Roof Drain Accessory (dwg)Roof Drain Coupling [1750T | Threaded Type]DWG38 KB
Literature / Videos
Submittal 1750 Roof Drain Accessory (pdf)Roof Drain Coupling [1750T | Threaded Type]PDF431 KB
MGI Corporate Brochure (pdf)Who we are, Our History, Morris Group International TodayPDF8 MB
MGI Brands Flyer (pdf)MGI Brands Flyer (pdf)PDF712 KB
Specifications for Roof DrainsSpecifications for Roof DrainsDOC230 KB
Technical Data for Roof DrainsTechnical Data for Roof DrainsPDF2 MB
Order Guidelines for Roof DrainsOrder Guidelines for Roof DrainsPDF120 KB
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  • 1750 Threaded Type Roof Coupling