Designed for non-pedestrian areas of green roof systems, this 15 1/4" diameter, Duco coated cast iron drain efficiently protects roofs and maintains optimal growing conditions for plants. It is protected against clogging by a perforated, stainless steel gravel stop and a 16 1/2" perforated PVC standpipe. This drain is fitted with a combination gravel stop and flashing clamp for leak free installation in roof decking.
