CRS Inc has a great selection of roof drains and drain kits in stock and ready to ship. We stock cast iron drain domes, rings and top assemblies by companies like Zurn, Smith and Josam.  We also offer drain kits by IPS, as well as retro-fit drains by OMG Roofing Products.  If you do not see what you are looking for, feel free to contact us at 1 (800) 267-2308 and as for an E-Commerce Representative.

  • IPS 3 inch PVC Roof Drain Kit

    IPS 3 inch PVC Roof Drain Kit

    $105.00     Add to cart
  • IPS 4 inch PVC Roof Drain Kit

    IPS 4 inch PVC Roof Drain Kit

    $106.50     Add to cart
  • Josam 4114 Cast Iron Roof Drain Dome

    Josam 4114 Cast Iron Roof Drain Top Assembly

    $125.00     Add to cart
  • Josam 418 Cast Iron Roof Drain Ring

    Josam 416 Cast Iron Roof Drain Ring

    $395.00     Add to cart
  • Josam Clamping Post

    Josam Clamping Post – 4 pack

    $35.00     Add to cart
  • Josam Extra Long Clamping Posts

    Josam Extra Long Clamping Posts

    $55.00     Add to cart
  • OMG Hercules RetroDrain

    OMG Hercules RetroDrain

    $250.00 – $275.00     Select options
  • OMG U-Flow Screwdriver

    OMG U-Flow Screwdriver

    $19.95     Add to cart
  • Smith Universal Cast Iron Roof Drain Ring

    Smith 1010C Cast Iron Roof Drain Ring

    $89.00     Add to cart
  • Smith Universal Cast Iron Roof Drain Dome

    Smith 1010CID Cast Iron Roof Drain Dome

    $115.00     Add to cart
  • Smith Drain Bolt Pack

    Smith Drain Bolt Pack

    $4.50     Add to cart
  • Zurn 125 Cast Iron Roof Drain Dome

    Zurn 125 Cast Iron Roof Drain Dome

    $46.50     Add to cart
  • Zurn 125 Cast Iron Roof Drain Ring

    Zurn 125 Cast Iron Roof Drain Ring

    $46.00     Add to cart
  • Zurn Drain Bolt Pack

    Zurn Drain Bolt Pack

    $10.00     Add to cart
  • Zurn Universal Roof Drain Ring

    Zurn Universal Roof Drain Ring

    $60.00     Add to cart
  • Zurn Z-121 Roof Drain Dome

    Zurn Z-121 Roof Drain Dome

    $55.00     Add to cart
  • Zurn Z100 Cast Iron Roof Drain Ring

    Zurn Z100 Cast Iron Roof Drain Ring

    $70.00     Add to cart
  • ZURN Z100 ROOF DRAIN DOME

    Zurn Z100 Roof Drain Dome

    $60.00     Add to cart
  • Zurn Z121 Cast Iron Roof Drain Ring

    Zurn Z121 Cast Iron Roof Drain Ring

    $55.00     Add to cart
  • OMG 2 inch O-Ring RetroDrain

    OMG 2 Inch O-Ring RetroDrain

    $240.00     Add to cart
  • OMG 8 Inch O-Ring RetroDrain

    OMG 8 Inch O-Ring RetroDrain

    $530.00     Add to cart
  • OMG 10 Inch O-Ring RetroDrain

    OMG 10 Inch O-Ring RetroDrain

    $700.00     Add to cart
  • OMG 3 inch Scupper Thru-wall RetroDrain

    OMG 3 inch Scupper Thru-wall RetroDrain

    $343.00     Add to cart
  • OMG 4 inch Scupper Thru-wall RetroDrain

    OMG 4 inch Scupper Thru-wall RetroDrain

    $356.00     Add to cart
  • OMG 5 inch Scupper Thru-wall RetroDrain

    OMG 5 inch Scupper Thru-wall RetroDrain

    $360.00     Add to cart
  • OMG 6 inch Scupper Thru-wall RetroDrain

    OMG 6 inch Scupper Thru-wall RetroDrain

    $396.00     Add to cart