• Use on flat roofs where emergency overflow can be used in combination with roof drain All components are coated to protect against corrosion Roof drain, overflow drain, flashing clamps, gravel stop and dome are all cast iron Regularly furnished with 6 in cast iron dome

Recommended for use on flat roofs where the roof drain assembly serves as a conventional roof drain and overflow for emergency use. The combination roof and overflow drain consists of a cast iron roof and overflow drain with no-hub outlets, two cast iron combination flashing clamps and gravel stops and one 6 in high cast iron dome. All components are coated to protect against corrosion.