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LCP Pan Price Drop - $150.00

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LCP (large combo pan) accepts 12" and 15" roof drains. No welding required!
PLUS - QTY DISCOUNTS UP TO 20%
PLUS - Supply your own roof drains and SAVE even more
PLUS bundled shipping
Contact (949) 297-8689 or (480) 504-1861, M - F, 8 am to 5 pm. Closed US Holidays
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LCP SUMP PAN
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LCP Roof Drain Sump Pan - Features and Benefits

LCP roof drain sump pan which means "large combination pan" and will "sump" or lower a primary and overflow roof drain 2.5" below the deck level. You will need at least 15" of clear vertical space between the roof and ceiling if there is one. These dimensions will be different for concrete and steel deck installations  see below

LCP SUMP PAN INSTALL
Zurn ZC100 primary and Z100-89 overflow cast iron 15" roof drains,
Model LCP roof drain sump pan is designed to lower or sump a 15" combination roof drain and overflow
Model LCP roof drain sump pan and 15" combination roof drain and overflow

Check out these useful links to get a better reality of what a typical installation will look like installation tech

LCP roof drain sump pan has universal engineering features not found in other drain pans

  • LCP sump pan has been engineered to accept 12″ and 15″ primary and overflow, bottom outlet cast iron roof drains without any modifications to the pan.  The 12″ roof drain gives you more space to maneuver the assembly than the 15″ roof drain and costs less. This can be a cost effective solution. See below space reqs.
  • It accepts the Zurn and Jay R. Smith brand roof drains with other brands to be added soon. Model LCP fits between joists that are 24″ on center (parallel to the joists) without making a single structural modification except for adding a recommend center support between the roof drains.
  • If you have a brand preference, please let us know on the contact page. 
  • OTHER DRAIN PANS WITH NO SUMP FEATURE

Here are some excellent benefits

CONTRACTORS and BUILDERS DRAMATICALLY INCREASE PRODUCTION AND REDUCE LABOR COSTS…

  • LCP sump pan…..
    • ELIMINATES the labor and material intensive task of building a large double “wood sump box”. on the jobsite  Building the wood box has been, and is one of the current industry standard procedures for lowering a roof drain. This process could easily take a few hours to construct and install plus the cost of wood products and hardware. With LCP pan, all of that laborious work and cost is eliminated resulting in 30 minute installation on a wood roof. IT PAYS FOR ITSELF!! Buy one and find out for yourself. 
  • LCP sump pan represents an industry first design as:
    • LCP sump feature is integrated into the pan design and eliminates the need to build the “wood sump box”.  
    • Accepts several roof drain brands
    • These are features that no other sump pan on the market has to offer

For The DIYer…  

  • No worries, this system is user friendly and can generally be installed by someone with basic skills. 
  • SEE MORE HERE…
  • NOTICE: LCP sump pan is patented in the USA. Unauthorized use is a violation of applicable patent laws

Space Requirements

11-12-23
Space Requirements

LCP roof drain sump pan details

if you would like more detail than is shown, please contact us.

LCP roof drain sump pan
Sump pan details
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Ordering is fast and easy on the shopping cart

Take advantage of quantity and shipping discounts. You will never sump roof drains faster and easier than when using this system

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Here Are Some LCP Roof Drain Pan Installation Applications

Model LCP roof drain pan is best suited to large commercial, industrial and institutional applications where there are large roof surface areas to be serviced

How to use the LCP roof drain sump pan

The following information shows three types of installation methods commonly used with LCP sump pan. These apply to wood framed roofs mainly, however the pan and drains can be used on steel and concrete decks with perfect adaptability. Select the method that suits your project requirements.
The LCP pan was originally designed to accept the large roof drain however it has been adapted to use a 12" and 8-1/2" diameter roof drain. The smaller diameter gives the installer more space to work with around the drains.

1) Parallel Installation

  • As shown, the LCP sump pan is installed parallel to the joists. This method does not require any modifications to any of the components that comprise the kit or to the building structure.
  • It is designed to fit between joists that are 24″ on center minimum, but can be used where the joist span is wider. such as metal or concrete roofs.
  • It is recommended that a center brace is installed for lengthwise support on a wood roof   End blocks can be added additional strength and to prevent deflection of the roof. The photo below illustrates this concept.  On metal or concrete roofs, added support is generally not required.  
Model LCP superior grade, custom fabricated roof drain sump pan and Jay R. Smith model 1340 side outlet roof drains
Space requirements for roof drains and custom roof drain sump pan

2) Perpendicular Installation

In the photo below,  LCP sump pan is installed with 15.” ( flange diameter) primary and overflow Zurn roof drains with 4″ pipe sizes, and is installed perpendicular, or 90 degrees, to the roof joists. 

As such, the framing will need to be modified to accommodate installation of the components.  This is generally not the case with a parallel installation.   

The photo below was a new construction project and the framing was factored into the design.    

Zurn ZC100 primary and Z100-89 overflow cast iron 15" roof drains,

Please note that this sump pan has been modified since this picture was taken and has less space between the roof drains. Refer to the spec sheet. All of these kits can be purchased on the shopping cart.

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3) Multi-level roof drain installation description

In some cases, the building designer would prefer to have the overflow roof drain at deck level. The multi-level configuration was designed for this purpose.

It uses two separate roof drains and sump pans. The primary roof drain is installed in a model LSP sump pan which lowers it two inches below the roof surface.

The overflow roof drain is installed at the roof level with a FLAT DRAIN PLATE.  This puts the water dam two inches above the roof.

The double sump pan, model LCP,  is not used in this case.

This picture shows the completed multi-level installation on a wood framed roof

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In this particular installation, the pan was lowered into the plywood. While this is an excellent idea, generally the sump pan sits on top of the plywood. Nevertheless, it accomplished the goal.

LCP Roof Drain Sump Pan Cost Comparison ...

This picture shows a combination roof drain kit available on the market

ROOF DRAIN AND OVERFLOW DRAIN WITH DECK TOP MOUNTING PLATE, roof drain detail, commercial roof drain, JR Smith roof drain and overflow

COST BREAKDOWN: 

  • Josam 22500 kit has 15-in roof drains. Online costs range from $627.00 to $925.00  

  • Zurn Z163-ZC-3NH 15″ Combo Roof Drains – $850.00 to $942.00  

  • INSTALLATION FEATURES: This setup shows the standard deck plate or sump receiver that is regularly supplied with roof drains. 
  • Since it does not have the sump feature engineered into it’s design, the installer would need to build a wood “sump box” and modify the pan to adequately “sump” the drain. This applies to a wood framed building. 
  • The standard deck plate works well with insulated roofs where the roof covering is thicker as the the tapered insulation creates the sump.   

What are some of the benefits of using this flat roof drainage system?

list of benefits
  • PREVENT expensive flat roof repairs!
  • Protect your roof warranty…
  • Increase jobsite production…
  • These are just a few and you can see many more by clicking below
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Side outlet roof drains – details coming soon

  • Disclaimer: this information is intended to be a guide only. Please evaluate your own project requirements

NEW PRODUCTS COMING SOON!

In keeping with our intention to be an innovator in roof drain installation technology, Custom Roof Drain Pans will be adding even more to this lineup.
  • We are designing new adapters that will allow model LCP to accept bottom and side outlet 12″ primary and overflow roof drains! No modifications required. Just bolt on the adapters.   
  • New version of LCP sump pan that will accept side outlet 15″ primary and overflow roof drains! 
  • If you would like to be notified of these releases, shoot us an email with your contact info. 

Looking For Roof Drain Installation Help?

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  • Get the 8 steps that are needed to make a successful installation
  • Used by the pro’s
 
 
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Need assistance with design, planning or debug of your project?

Designing a roof drainage system
    • our online consulting service can assist   
    • Upload your specs / plans / drawings / photos. We’ll review the documents and provide you with an estimate and set up an appt. for phone call