Roof Drain Pan SCPM - When To Use?

Use roof drain pan SCPM when you have minimum installation space and need to install side outlet roof drains.

  1. You have 8″- 9″ of vertical clear space space between the roof and ceiling.  
  2. When you have 14″ of clear space between your joists, minimum.
  3. Designed for residential  and light commercial usage When your pipes will run in opposite directions.
  4. See the sketch
model SCP roof drain sump pan with side outlet roof drains
space required

Roof Drain Pan SCPM description

  • Roof drain sump pan SCPM is the modified version of roof drain pan SCP.
  • It is modified to accept two side outlet single small Frank Pattern brand roof drains with our patent pending adapter plate.
  • The sump pan’s dimensions are 34-1/2″ L x 26″ W x 2″ deep
  • The flange dimensions are 6.271″ on each side
  • It is fabricated from stout 18 gauge galvanized steel on modern laser fabrication machines  
Model SCP roof drain sump pan is designed to lower or sump the Frank Pattern™ Cast Iron Combination 8 1/2″ Diameter Roof Drain
Superior grade roof drain pan SCP-modified and Frank Pattern single 8-1/2" diameter side outlet cast iron roof drains
two side outlet roof drains

Single Side Outlet Roof Drains

  • The Frank Pattern brand side out roof drain has an 8-1/2″ diameter bowl. 
  • It is available in 2″-4″ bottom outlet, no-hub pipe sizes  
  • Each roof drain has a cast iron membrane clamp (flashing ring) which compresses to make a water tight seal
  • Each roof drain has a dome or leaf grate that prevents debris from entering the roof drain. It twist locks into the membrane clamp. It is 5-1/2″ high. ROOF DRAIN DETAIL 
Frank Pattern Side Outlet flat Roof Drain that is used in tight spaces
Frank Pattern Side Outlet flat Roof Drain that is used in tight spaces

Roof Drain Water Dam

roof drain, overflow roof drain, roof drain
  • The 2″ water dam (shown) is bolted to one of the primary roof drains. It replaces one of the membrane clamps on one of the roof drains. 
  • This converts it into an externally mounted overflow roof drain. This complies with the current Uniform plumbing code.

Roof Drain Pan SCPM Adapter

SCPM adapter
  • The adapter plate dimensions are 19″ x 10.53.
  • It is engineered to be bolted to the sump pan and accept the side outlet roof drains.  SEE HERE
  • It is fabricated from stout 18 gauge galvanized steel on modern laser fabrication machines

FREE Hardware Kit

hardware kit for roof drain pan
  • Two kits are included per sump pan

FREE Couplings

standard grade no-hub couplings
  • Two couplings are included per sump pan

Tech Support 1-888-900-9145... (949) 317-0251

Need A Large Order?

  • 10, 20, 30 pieces or more? (any size order).
  • Call for a quantity discount quote
  • Questions? Call us
  • 1-888-900-9145
  • (949) 297-8689

What are the benefits when from using this system

tech support for roof drains sump pans


(949) 317-0251

We Have Excellent Tech Support Staff Ready To Answer Your Questions

  • Send us your specs/plans/drawings. We’re plumbing contractors and may be able to assist. 
  • Visit our installation page, blog or FAQ pages for technical info
  • Call and speak to our trained techs. 
  • Review our videos on our YouTube channel. 
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