Watts - RD-300-W - Overflow Roof Drain with 4 in. Internal Water Dam geogrid The filaments are woven and

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

Turnkey Kit – Supplied with a neutral channel

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

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

*Sold in multiples of 3 rolls only*

Watts - RD-300-W - Overflow Roof Drain with 4 in. Internal Water Dam geogrid The filaments are woven andThe 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