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Serving all of the USA, Canada, Australia and the Middle East, MIFAB can provide you with the quality, engineered plumbing and drainage solutions you need. Innovative product designs save the installer time and material cost and provides the owner with higher quality cast stainless steel drains and cleanouts for the same cost as the industry standard nickel bronze. Contact us today to learn more.

All Categories  > Roof Drains  > R1100-EU Series - Roof Drains for Insulated Roof Deck
R1100-EU Series - Roof Drains for Insulated Roof Deck

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MIFAB Series R1100-EU lacquered cast iron roof drain with anchor flange, cast iron waterproofing membrane clamp ring with integral gravel stop, adjustable cast iron extension flange, underdeck clamp and standard self-locking polyethylene dome strainer with a free area of 43 square inches.
FUNCTION: Used in any type of flat roofs and gutters. 8" diameter body is ideal for applications with limited space. Dome provides for efficient drainage of rainwater and prevents debris from entering the drain line. Adjustable extension system can be adjusted to the thickness of insulation on top of the roof deck without the need for gaskets. Body is elevated off of the roof deck eliminating the need for the bearing pan or sump receiver. Anchor flange and membrane clamp with tongue in groove design provides for secure grip of membrane and roof flashing materials.

Item Name

R1100-EU Series - Roof Drains for Insulated Roof Deck


R1100-EU Series - Roof Drains for Insulated Roof Deck


11.50 lbs.

Deck Opening

6 3/8" (162 mm)

Deck Opening with Sump Receiver

8 1/2" (216 mm)

Dimensional Drawing
Adjustable Strainer Type

Roof Drains for Insulated Roof Deck

Load Rating
Strainer Diameter
Grate Adjustment Min.

Free Area Rating
Grate Adjustment Max.

Strainer Size
Dome Type

Standpipe Adjustment Min
Standpipe Adjustment Max
Strainer Adjustment Max
Strainer Adjustment Min
Body Size

Length (A)

No Hub Pipe Size
1321 West 119th Street Chicago, IL 60643
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Fax: 773.341.3047
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