CRS stocks OMG Retrofit Drains for use in commercial flat-roof installations. Whether you are replacing some old roof drains or working on a new installation, these easy-to-install drains provide excellent drainage and help improve the overall look of your roof.  If you do not see what you need, please call us at (800) 267-2308.

  • OMG 2 inch O-Ring RetroDrain

    OMG 2 Inch O-Ring RetroDrain

    $240.00
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  • OMG Hercules RetroDrain

    OMG Hercules RetroDrain

    $250.00$275.00
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  • OMG 8 Inch O-Ring RetroDrain

    OMG 8 Inch O-Ring RetroDrain

    $530.00
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  • OMG 10 Inch O-Ring RetroDrain

    OMG 10 Inch O-Ring RetroDrain

    $700.00
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  • OMG 3 inch Scupper Thru-wall RetroDrain

    OMG 3 inch Scupper Thru-wall RetroDrain

    $343.00
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  • OMG 4 inch Scupper Thru-wall RetroDrain

    OMG 4 inch Scupper Thru-wall RetroDrain

    $356.00
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  • OMG 5 inch Scupper Thru-wall RetroDrain

    OMG 5 inch Scupper Thru-wall RetroDrain

    $360.00
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  • OMG 6 inch Scupper Thru-wall RetroDrain

    OMG 6 inch Scupper Thru-wall RetroDrain

    $396.00
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