Smith 1015 Roof Drain

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How to Measure Drain Parts

Large General Purpose Roof Drains with Adjustable Extension


  • Manufacturer - J.R. Smith
  • Material - Cast Iron
  • Color - Yellow
  • Outlet Type - See options below


  • Flange Size - 15.25"

PLEASE NOTE WHEN CHOOSING OPTIONS BELOW, If you choose to add the sump receiver and under deck clamp, you DO NOT NEED the top set deck plate. If you choose the top set deck plate, you DO NOT NEED the sump receiver and under deck clamp. Please call us if you have any questions.

Price: $432.27

Price as Configured

In Stock


    Outlet Size:

    Outlet Type:

    Add Sump Receiver:

    What's This?

    Add Underdeck Clamp:

    What's This?

    Add Top Mount Deck Plate:

    What's This?

    Please note, the Top Mount Deck Plate replaces the underdeck clamp & roof-sump receiver by combining them into one easy to install part. It should be ordered in lieu of these two items.

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    Product Function:

    Used in flat roofs of any construction. The adjustable extension sleeve permits adjustment from a minimum of 1 1/4" (32) to a maximum of 4" (100), easily accommodating up to 2 3/4"(70) of varying insulation thicknesses. The positive threading allows smooth perimeter movement and circumferential support of the top at any adjusted elevation. Large low profile dome provides sufficient free area for quick drainage of rainwater and protection against debris.

    Contractor Friendly Features:

    • Used in flat roof of any constrictions
    • Large, low profile dome for quick drainage and production against debris.
    • Adjustable extension for different installation thicknesses
    • Wide clamping surface to hold flashing and roofing materials
    • Reversible Collar allows for Low Position and High Position ranges
    • Adjustable extension for different gravel stop

    Regularly Furnished:

    Duco Cast Iron Body with Adjustable Extension Sleeve, Reversible Collar, Combined Flashing Clamp and Gravel Stop, with Cast Iron Dome.