Watts - RD-200-R - Overflow Roof Drain with 2 in. External Water Dam geogrid Flushing-Rim Feature: Delivers a ring

Flushing-Rim Feature: Delivers a ring of water around the drain’s perimeter to scour and push solids toward the outlet

Loose-set cast-iron grate and internal dome strainer to reduce splashback and trap debris

5' x 144'Square Ft Per Roll: 1

Pre-pour height adjustment up to 1 3/4″ and post-pour adjustment up to 7/8″ for precise finish alignment

Watts - RD-200-R - Overflow Roof Drain with 2 in. External Water Dam geogrid Flushing-Rim Feature: Delivers a ringThe Watts RD 200 R is a small area overflow roof drain designed to provide secondary (emergency) drainage when primary roof drains are exceeded or obstructed. Its epoxy coated cast iron body offers long term durability, while the flashing clamp helps ensure a secure, watertight connection to the roof membrane. A raised external water dam provides controlled overflow height, and the self locking polyethylene dome protects the drain from debris. The