Engineered for planting areas of Intensive Green Roof Systems, this 15 1/4" diameter, cast iron drain protects roofs and maintains optimal growing conditions for plants. It is protected against clogging by a 10" perforated, stainless steel gravel stop. An 8 1/2" metering-capable PVC standpipe ensures that water level is maintained. This drain is fitted with a combination gravel stop and flashing clamp for leak free installation in roof decking.
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