Smith® 1011Y04 Large General Purpose Roof Drain, 4 in Outlet, No-Hub Connection, 5-1/4 in Polyethylene Grid, Cast Iron Drain
MFG Part#1011Y04
DSG#658019
Smith® 1011Y04 Large General Purpose Roof Drain, 4 in Outlet, No-Hub Connection, 5-1/4 in Polyethylene Grid, Cast Iron Drain
MFG Part#1011Y04
DSG#658019
- Used in roof systems where the insulated roof membrane assembly method of waterproofing is provided. It is used where built-up felt and asphalt waterproofing is installed. A 4 in high perforated stainless steel gravel stop is supplied to retain the crushed gravel used in IRMA flat roof construction.