21500-RDG1 Series coated cast iron Roof Drain, large stainless steel gravel stop with secured cover for Green Roof applications, WEJLOC non-puncturing clamp ring with perforated PVC standpipe, large sump with wide roof flange and bottom outlet.
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Josam 21500-RDG1 Roof Drain: Green Roof Type with Perforated Standpipe Specification Sheet
Josam 21500-AE-ORDG1 Overflow Roof Drain for Green Roof with Adjustable Extension Specification Sheet
Josam 21500-ORDG1 Overflow Roof Drain for Green Roof Specification Sheet
