MIFAB R1270 Combined Large Sump Roof Drain with Secondary Overflow

The MIFAB R1270 Combined Large Sump Roof Drain with Secondary Overflow consisting of 24 in. x 42 in. galvanized sump receiver, two lacquered cast iron roof drain bodies with 15 in. diameter anchor flange, cast iron waterproofing membrane clamp rings with integral gravel stop, one 4 in. ABS overflow standpipe and two self-locking polyethylene dome strainers with a combined free area of 250 square inches.

The MIFAB R1270 Roof Drain is used in any type of conventional or flat roofs where a safety overflow. Of which receives water only when the accumulation is greater than the height of the standpipe. Required to be located beside a standard roof drain. The standpipe can be adjusted to attain the desired overflow water depth. Large free area domes provide for efficient drainage of rain water and prevents debris from entering the drain line. The underdeck clamp ring is eliminated with this product. This is due to the roof drain bodies being bolted to the underside of the sump receiver. Three pieces of 5/ 16” x 3/4” hardware bolts and washers are provided to secure MIFAB’s A2 bodies to the underside of the R1270-BP.

RoofingDirect.com offers an excellent selection of combo / overflow drains made of high quality materials for your next job. Our team has decades of industry experience and is ready to serve you. Please contact us, and we will be happy to answer any questions. Extra wide anchor flange and membrane clamp with tongue in groove design provides for secure grip of membrane and roof flashing materials.