JR Smith 1020 Roof Drain – 15″


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JR Smith 1020 Roof Drain

 The JR Smith 1020 roof drain has a threaded outlet. It accepts pipe sizes from 2″ to 8″ in diameter. 

Each roof drain includes these components:

  1.  Cast iron 15″ bowl
  2. a combination protective gravel stop/membrane clamp (flashing ring) which compresses the roof membrane to form a water tight seal.
  3. A cast iron dome or leaf grate that prevents debris from entering the roof drain. It twist locks into the membrane clamp for a secure connection. The dome height is 6″ and will filter out debris.


  • 100% cast iron construction
  • Corrosion resistant Duco coating
  • Optional threaded adapter


See how to install the J.R. Smith 1010 roof drain

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