When To Use Roof Drain Sump Pan SSP

Model roof drain pan SSP is designed for residential and light commercial applications

Use roof drain pan SSP and the 8-1/2″ bottom or side outlet cast iron roof drain on a flat roof with smaller footprint. The smaller bowl and pan are ideal for installation on smaller roofs. It is a cost effective solution to using a larger roof drain and pan when it isn’t necessary. 

Whether you need a roof drain for your residence such as a garage,  or for a small commercial project such as a restaurant, condo, church or any similar building, this bulletproof roof drain and sturdy sump pan will get the job done and prevent future standing rainwater issues.

Use this roof drain installation kit when you have 14″ of clear space between your roof joists horizontally.  Additionally, you should have about 15″ of vertical clearance.

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Roof drain pan SSP sump pan accepts several different roof drain brands.  They are:

Frank Pattern,  Jay R. Smith,  Zurn Mfg., Jones Stephens Co. and Watts brand.  See below for full product descriptions.

The installation process is FAST and EASY and takes about 15 minutes. This applies to the DIY’er or seasoned pro.

The entire bolt-together roof drain assembly will fit between joists that are 16″ on center with NO MODIFICATIONS to wood structure. This is a major time SAVER for contractors and builders.

Why are so many companies listed?

The short answer is for convenience to those visitors that choose to purchase their roof drains locally. 

For distribution purposes, a particular brand may be more available in a given location than another, so more choices available works to the buyers advantage.  

SSP Roof Drain Sump Pans

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  • laser fabricated from 18 gauge galvanized steel sheet metal
  • No underdeck required. 
  • Attaches to the roof joists
  • Accepts bottom or side outlet roof drains
  • 24″ x 24″ x 2″
  • Available in stainless steel and aluminum via special order
  • New designs are on the drawing board, check back often for updates
ROOF DRAIN SPECS

Smith 110 Series Roof Drain

JR Smith roof drain, roof drain detail, commercial roof drain
  • The Smith 110 is a bottom outlet roof drain and available in no-hub outlet only. 
  • 100% cast iron construction
  • 8-1/2″ bowl size
  • 2″, 3″ and 4″ no-hub pipe sizes 
  • An underdeck clamp is optional but not required.
  • Yellow in color
  • Can be converted to an overflow roof drain by adding a 2″ water dam. 
  • NOTE: Smith Co does not offer a pan for this roof drain
ROOF DRAIN SPECS

Frank Pattern Roof Drains

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  • The 85N model is a bottom outlet roof drain and 85SN is a side outlet and are no-hub only
  • They are 100% cast iron construction including the dome.
  • 8-1/2″ bowl size
  • 2″, 3″ and 4″ pipe sizes 
  • An underdeck is optional but not required.
  • Both roof drains can be converted to an overflow roof drain by adding a 2″ water dam
  • A plate is not offered by Frank Pattern / LSP company
ROOF DRAIN SPECS

Zurn Z125 / Z125-90 Roof Drains

Zurn Z-125 roof drain
  • The Z125 is a bottom outlet roof drain and is available in no-hub and threaded outlets 
  • The Z125-90 is a side outlet threaded roof drain    
  • Both are 100% cast iron construction
  • 8-1/2″ bowl size
  • 2″, 3″ and 4″ pipe sizes 
  • An underdeck clamp is optional but not required
  • Zurn blue in color with a Duco coating
  • Both roof drains can be converted to an overflow roof drain by adding a 2″ water dam
ROOF DRAIN SPECS

Smith 1330/1340 Roof Drains

Jay R. Smith 1340 roof drain
  • The Smith 1330 is a bottom outlet roof drain and available in no-hub and threaded outlets 
  • The Smith 1340 roof drain is a side outlet roof drain and is available in a threaded outlet 
  • 100% cast iron construction
  • 8-1/2″ bowl size
  • 2″, 3″ and 4″ no-hub pipe sizes 
  • An underdeck clamp is optional but not required.
  • Yellow in color
  • Both roof drains can be converted to an overflow roof drain by adding a 2″ water dam
ROOF DRAIN SPECS

Watts RD280/RD280-SO Roof Drain

Watts RD 280 roof drain
  • Available in the bottom and side outlets
  • They are 100% cast iron construction including the dome.
  • 8-1/2″ bowl size
  • 2″, 3″ and 4″ no-hub pipe sizes 
  • An underdeck clamp is optional but not required.
  • Both roof drains can be converted to an overflow roof drain by adding a 2″ water dam
RD 280 DETAILS
RD 280-SO DETAILS

Jones Stephens Co.

  • Available in bottom and side outlets.  
  • They are 100% cast iron construction including the dome.
  • 8-1/2″ bowl size
  • 2″, 3″ and 4″ no-hub pipe sizes 
  • An underdeck is optional but not required.
  • Blue color
ROOF DRAIN DETAILS

Price comparison

9/2022: A recent internet search showed the Jay R. Smith roof drain with the sump receiver and underdeck clamp, model 1330YCID-UC-R, at $260.00. The Jay R. Smith 110 kit is priced at $225.00.  The same Smith roof drain with a deck plate was $245.00. Neither of the Smith pans will lower the roof drain however they work perfectly with a thicker roof. 

The SSP pan eliminates the expense of building a wood sump box. 

Get Pricing

Review These Important Space Requirements Prior To Starting Your Project

Vertical space reqs for a side outlet roof drain

side outlet installation

space requirement specification for a roof drain and sump pan

bottom outlet installation

This Is How The Roof Drain Pan SSP System Will Look On Your Roof..

How To Install Roof Drain Pan SSP

  1. The first step is to cut the roof open between the joists so that the sump will sit down inside it.  This dimension is approx 14” square.   
  2. The second step is to cut away the roof material to the dimension of the sump pan flange. This is approx 24” x 24” square. Do this by setting the sump pan in the hole as in step 1.  Refer to the spec sheet for all dims. 
  3. Draw around the perimeter of the sump pan leaving yourself a little extra room, maybe add an extra ½”.
  4. Cut away the roof material. 
  5. Attach the roof drain to the sump pan and set the assembly in the hole.
  6. Now, secure the sump pan to the roof by screwing it directly into the roof joists using the perimeter holes.  The holes will be directly over the joists as long as they are 16″ on center.    
  7. That’s it. Now you can move forward with the waterproofing and plumbing work. 

One of it's best features is that it totally eliminates the need to build a labor intensive wood sump box which, by actual test, took 4x as long to construct.  This roof drainage system is truly FAST and EASY to install by the DIYer or the seasoned pro.  

Questions? We Have Great American Tech Support. Call Us

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tech support for roof drains sump pans

(949) 297-8689

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