Watts - RD-100-R - Overflow Roof Drain with 2 in. External Water Dam Tactile Paving For a secure seam

For a secure seam

Dual weepholes capture perimeter seepage and provide redundant drainage

This flexible roll comes in varying depths and can be used horizontally

Built for Safety and Long-Term Performance

The galvanized steel box works with the slot top channel drain grate and can be lifted to access the Dura Slope channel to remove blockages which can affect drainage performance

Watts - RD-100-R - Overflow Roof Drain with 2 in. External Water Dam Tactile Paving For a secure seamThe Watts RD 100 R is an overflow roof drain engineered for commercial roof systems where a defined relief point is needed. It features an epoxy coated cast iron body, a flashing clamp, an integral 2 inch external water dam, a self locking polyethylene dome, and a standard no hub outlet. Key Features Designed for overflow roof drainage applications with a 2 inch high external water dam Epoxy coated cast iron construction for durability and corrosion