Traffic may cause damage to light sheet metal rainwater leaders. Cast iron downspout shoes at lower levels provide protection. Table shows various standard types in straight, offset, and angular shoes. Fastening lug slots are 5/8". R-4927 downspout adapters are used between the sheet metal downspout and the surface drainage pipe. Cast iron adapters are made to fit in cast iron soil pipe, however they can be fitted to PVC pipe with the use of a no-hub coupling. Furnished by others. Can be furnished with one coat of black primer if requested. 28" and 40" extension sections are available - contact Neenah.