Smith 1020 Roof Drain Specs & Options

Dimensions are subject to manufacturing tolerance and change without notice. 

Download Specifications PDF

Smith 1010 Roof Drain

Fig. 1020C 2, 3, 4 in. caulk outlet
Fig. 1020T 2, 3, 4 in. threaded outlet

Smith 1020 Roof Drain

Fig. 1020C 5, 6 in. caulk outlet
Fig. 1020T 5, 6 in. threaded outlet

Outlet Size (A) 2 in. 3 in. 4 in. 5 in. 6 in.
B 6-7/8 6-3/8 5-7/8 5 4-1/2
C 8-5/8 8-3/4 8-3/4 8-1/2 8-1/2
G 4-3/4 4-3/4 4-3/4 6-1/4 6-1/4
H 6 6 6 6-7/8 6-7/8
J 7-3/4 7-3/4 7-3/4 7-3/4 7-3/4
Free Area
(sq. in.)
102.5 102.5 102.5 102.5 102.5

 

Specifications: The Smith 1020 roof drain is used in flat roof construction. Its large profile dome provides sufficient free area for quick rain water drainage while protecting the drain sump and connecting piping from debris. A wide clamping surface holds flashing and roofing materials without puncturing. This drain comes regularly furnished with a Duco cast iron body combined with a flashing clamp and gravel stop, and a polyethylene dome. 

 

Recommended Deck Openings

Outlet Size (in.) With Sump
Receiver (.in)
Without Sump
Receiver (.in)
2 - 6 in. 17 dia. 14 dia.

 

  


 

Outlet Types

Caulk Outlet (C)
No-Hub Adaptor (Specify fig. 2646Y)
Threaded Outlet (T)

 


 

Variations

Extension (specify height) (-E)
"L" Shaped Underdeck Clamp (-CL)
Secondary Flashing Clamp (-C2)
Sump Receiver (-R)
Underdeck Clamp (-C)
Vandal Proof Dome (-U)

 


 

Optional Materials

All Aluminum (-AA)
Aluminum Dome (-AD)*
Cast Iron Dome (-CID)*
Galvanized Cast Iron Dome (-CIDG)*
Galvanized Cast Iron Body & Collar (-G)
Rough Bronze Dome (-RBD)*
Stainless Steel (specify fig. 9780)

 

* Optional Domes' Free Area

Dome Material 2 - 6 Outlets
Aluminum Dome  98
Cast Iron Dome  80
Bronze Dome 95