Frank Pattern Roof Drain Kit


Model SSP roof drain pan is engineered to accept the light commercial 8-1/2″ (bowl diameter) cast iron roof drain. Unlike any other roof drain sump pan on the market, it will accept several different roof drain brands in the bottom AND side outlet configurations without modifying the sump pan! See below for particulars.

Frank Pattern Roof Drain Kit includes:

  • An 18 gauge galvanized steel single roof drain sump pan, (1) cast iron primary roof drain, (1) hardware kit that connects the sump pan to the roof drain and (1) standard grade no-hub couplings.

  • Specialty no-hub couplings are available as an upgrade. See the description below.
  • Shipping to the Continental US, Hawaii, Alaska and Canada


Frank Pattern Roof Drain Installation Kit

Your Frank Pattern roof drain kit provides all of the ready – to – install drain components that will result in an excellent roof drain project!

About The Sump Pan Feature…Positive drainage

Frank Pattern Roof Drain installation kit automatically lowers your flat roof drain which eliminates the need to build a separate wood sump box. The wood box is a labor intensive process. When you add up the labor and materials required to build the wood box, the metal sump pan becomes a very cost effective solution.

  • IT”S ALL ABOUT POSITIVE ROOF DRAINAGE… unless your roof drains are the lowest point on the roof, you will not have positive roof drainage. Positive roof drainage means the water flows toward and into the roof drain. A sump pan is a FAST and EASY system to get positive drainage.   READ MORE 

SSP Roof Drain Sump Pan

SSP roof drain kit is comprised of a superior grade, versatile roof drain sump pan that is designed to “sump”, or lower the small single roof drain and make standing rainwater disappear.

  • It is fabricated from stout 18 gauge galvanized steel on modern laser fabrication machines resulting in perfect fitment.
  • The sump pan’s dimensions are 24″ L x 24″ W x 2″ deep.
  • The flange dimensions are 5.0″ on each side


Frank Pattern Roof Drains

  • Models 854SN, 853SN and 852SN are side outlet and models 854, 853 and 852 are bottom outlet roof drains that fit the SSP pan and require no modifications to install.
  • They have an 8-1/2″ diameter bowl and are available in 2″- 4″ 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 for a secure connection. It’s height is 5-1/2″ and so will filter out debris


Additional information

Weight 26 lbs
Dimensions 24 × 24 × 10 in
Pipe Size

2 inch, 3 inch, 4 inch




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