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IRMA Roof Drain Applications
IRMA Roof Drain ApplicationsIRMA Roof Drain ApplicationsIRMA Roof Drain ApplicationsIRMA Roof Drain Applications
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IRMA Roof Drain Applications

Figure Number:  1011-1019
Product Function:
Used in roof systems where the insulated membrane assembly method of waterproofing is provided. It is used where built-up felt and asphalt waterproofing is installed. A 4"(100) high perforated stainless steel gravel stop is supplied to retain the crushed gravel used in IRMA flat roof construction.

Regularly Furnished:
Duco Cast Iron Body with Flashing Clamp, 1/16"(2) Thick, 4"(100) High Stainless Steel Perforated Gravel Stop with 3/8"(10) Dia. Openings and Polyethylene Dome.
Related Figure Numbers
  • 1017 - With 4.00" Gravel Stop Extension
  • 1018 - With 4.00" Gravel Stop Extension and Wide Flange Body
  • 1019 - With 4.00" Gravel Stop and Wide Flange Body
NameDescriptionFile Size
Specifications US Govt ComplianceItems complying with U.S. government specifications34 KBDownload
CSI Specifications for Roof DrainsCSI Specifications for Roof Drains230 KB
ROOF DRAIN - INSULATED MEMBRANE ROOF SYSTEM

Smith 1017 cast iron body with combined flashing clamp and gravel stop, polyethylene dome and perforated stainless steel extension with secondary flashing clamp, for use on roof systems where built-up felt and asphalt waterproofing is installed. See manufacturer’s catalog for recommended deck opening.


ROOF DRAIN - LIQUID MEMBRANE ROOF SYSTEM

Smith 1018 wide flange cast iron body with combined flashing clamp and gravel stop, polyethylene dome and perforated stainless steel extension. For use on roof systems where waterproof/liquid membrane deck covering is used. See manufacturer’s catalog for recommended deck opening.

NameDescriptionFile Size
Parts Order Guide for Roof DrainsParts Order Guide for Roof Drains632 KBView

Optional Materials

  • Aluminum Dome -AD
  • Cast Iron Dome -CID
  • Cast Iron Dome w/SS Mesh -CIDS
  • Galvanized Cast Iron -G - Body & Collar
  • Galvanized Cast Iron Dome -CIDG
  • Rough Bronze Dome -RBD

Variations

  • Expansion Joint (Specify Fig. 1710)
  • Gravel Guard -GG (Specify Height)
  • L-Shaped Underdeck Clamp -CL
  • L Speedi-Set® Service Weight - 02(50), 03(75), 04"(100) Sizes Only
  • LXH Speedi-Set® Extra Heavy.
  • Sump Receiver -R
  • Underdeck Clamp -C
  • Vandal Proof - Dome - U
  • T Threaded Outlet