RD-4A Vandalproof Aluminum Roof Drain, RD-4C Vandalproof Copper Roof Drain,
RD-4SS Vandalproof Stainless Steel Roof Drain
Recommended Use: All purpose drains for flat roofs in new construction employing conventional roof membrane applications (without ballast guard) or inverted roof membrane (with ballast guard). Suitable for PVC, cast iron, steel, copper, or other type leaders.