Watts - RD-300-W - Overflow Roof Drain with 4 in. Internal Water Dam geogrid This polyethylene sheeting is reinforced

This polyethylene sheeting is reinforced with a strong scrim to enhance its durability and prevent tears

With its 6 mil thickness

making it suitable for construction sites

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

and user-friendly material

Watts - RD-300-W - Overflow Roof Drain with 4 in. Internal Water Dam geogrid This polyethylene sheeting is reinforcedThe 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