Watts - GRD-610-W - Green Roof Large Planter Overflow Drain Geotextile This grate boasts an open

This grate boasts an open surface area of 150

ZB150F-3NL

ZN400N-4NL

without the tree being damaged

The galvanized steel plate is installed across the ends of two neutral channels to achieve a 0

Watts - GRD-610-W - Green Roof Large Planter Overflow Drain Geotextile This grate boasts an openThe Watts GRD 610 W is an epoxy coated cast iron green roof overflow drain featuring a flashing clamp, an integral 4 inch (102 mm) high internal standpipe, a self locking aluminum dome, and a perforated stainless steel ballast guard with a secured solid cover. It uses a standard no hub outlet. Key Features Designed for overflow drainage in extensive green roof systems Epoxy coated cast iron body for corrosion resistance Integral 4 inch high internal