These Custom Laser Fabricated, Ready-To-Install Roof Drain/Sump Pan Kits Will TOTALLY TRANSFORM Your Flat Roof

CONSTRUCTON PRO'S: Provide your clients with superior grade sump pans that...


The #1 cause of standing rainwater on a flat roof are roof drains that are too high

These roof drain and custom sump pan kits resolve those problems FAST, EASY and permanently

Here are just a few of the many benefits our customers enjoy

Which Industry Professionals Use These Products?

Contractors - Architects - Engineers - Project Managers - Builders - Facility Managers

Our valued customers love using their flat roof drain pan


Custom Sump Pans and Roof Drain Products

Let's Get to select your products

  1. If your roof joists are 16″ on center, use models SSP or SCP sump pans and related drains.
  2. If your joists are 24″ on center (minimum), use LSP or LCP sump pans and related drains. 
  3. GET PRODUCT SPECS: all product specs are available for download on each product page.(see below)
  4. The product selection and installation process is more fully described on our  “How to install a roof drain” page 

SCP Sump Pan & Roof Drain Kits

Jay R. Smith 148 roof drain and overflow, combination roof drain, roof drain and overflow, roof drain sump pan, sump pan, roof drain pan
  • Sumps 8-1/2″  roof drains
  •  Frank Pattern, Jay R. Smith, Zurn
  • 4 styles to choose from

SSP Sump Pan & Roof Drain Kits

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Model SSP roof drain sump pan will sump an 8-1/2″ roof drain in these brands: Zurn, Jay R. Smith, Frank Pattern, Watts and Jones Stephens

LCP Sump Pan and Roof Drain Kits

Jay R. Smith 1010 roof drain, Jay R. Smith 1080 roof drain, LCP roof drain sump pan
  • Sumps 15″  primary and overflow roof drains
  •  Jay R. Smith, Zurn. Josam brands
  • 4 styles to choose from

LSP Sump Pan and Roof Drain Kits

JR Smith 1010 roof drain and model LSP sump pan

LSP roof drain sump pan will lower 15″ roof drains and accepts Jay R. Smith and Zurn roof drain brands.(more to come)

No minimum purchase - choose any quantity - build your kit, mix and match brands and sizes - no sales tax to non-Calif customers

Currently shipping to the Continental USA. Alaska, Hawaii, and Canada

SAVE shipping costs Buy Locally

Need A Large Order?

  • 30 pieces or more? (any size order). Call or email for a custom quote

We're committed to your success

Engineers reviewing plans

At Custom Roof Drain Pans Co., we are committed to helping you get the exact right materials for your project. With our parent company, All Tech Plumbing, we can provide excellent product and installation help. Please don’t hesitate to call or email us. ALL of our customer service is in the USA with knowledgeable and experienced English speaking techs. 

Need More Info Before Buying? No problem, check out these resources...

Looking For Roof Drain & Pan Spec Sheets?

Get downloadable pdf dox

  1. Call and speak to an experienced plumber. This is 100% FREE!
  2. Send us your specs/plans and drawings.

Find Out How To Install A Roof Drain

  1. Here are 8 basic steps for installing a roof drain. used by a professional plumber.
  2. Call and speak to our plumber. Get correct info from an experienced tech. This is 100% FREE!

BLOG Articles

  1. Here is a ton of related info on roof drain tech to better assist you in understanding the subject. 

Stay in the tech loop

  1. We have new tech videos being released. Subscribe and ring the bell if you would like to get notified. 

(949) 297-8689

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
  • M – F, 8 am to 5 pm, PST Calif USA

prices are subject to change without notice. All copyright and patent laws apply.