Oatey® No-Calk® 11853 Standard Base Roof Flashing, Steel, 2 in Pipe, 9 in W x 12-1/2 in L Base

OAFNCN MFG #: 81855
  • Base Length: 12-1/2 in
  • Base Width: 9 in
  • Country of Origin: US
  • Finish: Galvanized
  • Manufacturer Name: Oatey
  • Material: Steel
  • Pipe Size: 2 in
  • Suitable For Use With: Slides Over DWV Pipe For Pitch to 40 deg
  • Type: Standard Base
Oatey Galvanized Base No-Calk Roof Flashings can be used in commercial and residential applications where a watertight seal for roof penetrations around the plumbing vent pipe is required.
  • Features and More


  • Roof flashing slides over DWV pipe for pitch to 40 deg
  • Made of rust-proof, stamped 29 ga galvanized steel
  • Non-fading sealing collars
  • Approved for type "B" installations
  • Not for hot-mopped or built-up roofs
  • Do not use paint or petroleum based products on rubber collars
  • Self sealing collar slides over pipe and requires no caulking
  • Metal base for pitch from 0 to 40 deg or up to 10/12 roof
  • Rated 180 deg F continuous heat and Approved for type "B" installations
  • https://youtu.be/8kmaeXU9Now


  • Commercial and Residential


  • IAPMO Listed
  • NES 653
  • PROP65: Cancer and Reproductive Harm - www.P65Warnings.ca.gov