R1100-JC Small Sump Roof Drain Stainless Steel Ballast Guard for IRMA Roofs


MIFAB® R1100-JC Series lacquered cast iron roof drain with anchor flange, cast iron waterproofing membrane clamp ring with integral gravel stop, 6” (152) high stainless steel perforated ballast guard with ½” (13) round drainage openings and standard self-locking polyethylene dome strainer with a free area of 43 square inches.

Pictured: R1103-JC-M
SKUs: R1102-JC, R1103-JC, R1104-JC, R1105-JC, R1106-JC


Series R1100-JC
SKU R1102-JC, R1103-JC, R1104-JC, R1105-JC, R1106-JC
Function Used in any type of flat roofs and gutters that use the insulated membrane assembly method of waterproofing (I.R.M.A.). Typical when built-up felt and asphalt waterproofing is installed on top of the roof membrane for protection against the elements. The ballast guard is furnished to retain the crushed gravel used in flat roof construction. The slots allow for drainage without clogging. 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. Anchor flange and membrane clamp with tongue in groove design provides for secure grip of membrane and roof flashing materials.