Products / Smith 1900 Green Roof Main Area Drain with Standpipe

Figure 1900 is Smith's drain for the non-pedestrian main area of a green roof: a 15-1/4 in. Duco coated cast iron body with a combination gravel stop and flashing clamp, protected from clogging by a perforated stainless steel gravel stop and a 16-1/2 in. perforated PVC standpipe; the page says the drain is meant to protect the roof while keeping growing conditions right for the plants. The product page lists options including underdeck clamps, a sump receiver, a roof deck plate, extensions and a threaded outlet.