Watts - RD-300-W - Overflow Roof Drain with 4 in. Internal Water Dam geogrid *Sold in multiples of 3

*Sold in multiples of 3 rolls only*

The filaments are woven and form a durable and stable network that allows the filaments to keep their relative position

It has planting lines in green on one side to help align the fabric when installing it

¾” hexagonal mesh is double galvanized—electroplated and hot-dipped—for superior rust resistance and 6–10 years of underground protection

and user-friendly material

Watts - RD-300-W - Overflow Roof Drain with 4 in. Internal Water Dam geogrid *Sold in multiples of 3The Watts RD 300 W is a medium area roof drain designed for primary drainage where a wide flange is required for secure membrane attachment. Its epoxy coated cast iron body provides long term durability, while the wide flange and flashing clamp help create a robust, watertight connection to the roofing system. A self locking polyethylene dome protects the drain from debris, and the unit comes equipped with a standard no hub outlet for straightforward