Oatey® 1.5" Galvanized Electrical Service Mast

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Oatey® Electrcial Service Mast (ESM) Roof Flashings are designed with a galvanized base for commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe.

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  • Part Number: 11549
  • Min. Order QTY: 25
  • UPC: 038753115498
  • Case QTY: 25


  • Self-sealing collar slides over pipe and requires no caulking
  • Collar unattached from flashing base for Electrical Service Mast applications
  • Do not use petroleum based products or paint on flashing collar or plastic base Not for hot-mopped or built-up roofs


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