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Figure Number: 1446
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1446Deep Sump Promenade Deck Drain

Our deep sump deck drain is engineered for placement in roof top recreational and parking decks where the Insulated Membrane Assembly (IRMA) method of waterproofing is used. It is fitted with an adjustable extension that allows it to precisely fit the thickness of roof membrane assemblies where recreational promenades are installed over layers of built up felt and asphalt. Protected by a 14" (355) diam. medium duty grate with combined flashing collar and clamp, this Duco coated cast iron drain will securely grip waterproofing membranes with puncturing for a leakproof installation and long service life. Its deep sump and large diameter will clear heavy runoff fast.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Learn More about this warning
Shows specifications for standard configuration. Configuration options may change specifications.
  • Variations
    Bucket -B, Expansion Joint (Specify Fig. 1710), L-Shaped Underdeck Clamp -CL, L Speedi-Set® Service Weight - 02(50), 03(75), 04"(100) Sizes Only, LXH Speedi-Set® Extra Heavy., NO-HUB Adaptor - (Specify Fig. 2646Y), Sump Receiver -R, Underdeck Clamp -C, Vandal Proof Grate - U, T Threaded Outlet, 3/8"(10) Dia. Holes - (8) Required -W, (2) 3/8” (10) Tappings -TAP
  • Optional Materials
    Ductile Iron Grate - M, Galvanized Cast Iron -G, Nickel Bronze Top - NB, Polished Bronze Top - PB
  • Product Type
    Roof Drain
SubmittalSubmittal 1446 Roof Drain (pdf)
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Technical Drawings
1446 Drain (dwg)Deep Sump Promenade Deck Drain [1446C | Caulk Outlet; 1446T | Threaded Outlet; 1446Y | No-Hub Outlet]DWG67 KB
Literature / Videos
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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Deep Sump Promenade Deck Drain
1446C | Caulk Outlet
1446T | Threaded Outlet
1446Y | No-Hub Outlet