Model ITD5135

PVC Island Tub Drain™ Testable Rough-in for Freestanding Tubs

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Install a Freestanding bath tub in minutes with the Island Tub Drain®. No muss, no fuss, no kidding.

  • Newly redesigned Asymmetrical Deck Flange makes installation in tight spaces easier
  • Allows for freestanding Tub location to be defined at rough-in
  • Designed to be installed in a 8" (1-1/2" outlet) or 10" (2" outlet recommended) joist space
  • Allows for freestanding Tub to be installed over finished floor
  • Built-in snap-off Test Cap allows for water/air/smoke testing
  • NOTE: Island Tub Drain® IS NOT FOR USE with liquid applied or sheet membranes
  • NOTE: Island Tub Drain® MUST BE INSTALLED in a dry area with no potential of water contact
  • Istland Tub Drain® is Patented (Canadian Patent 2,813,010 & US Patent 9,551,138)


Carton Quantity:
  • Snap-off Test Plug allows for water/air/smoke testing (Rated to 30psi)
  • 18 Gauge Epoxy coated Metal Deck Plate with holes to lock in Thinset
  • ITD5135 is a Freestanding Tub Rough-in (install before tile installation)
  • Designed to be installed in a 8" / 10" joist space with 1-1/2" / 2" P-Trap


  • Flanged Brass Tailpiece
  • PVC Adapter Kit (attaches ITD5135 to PVC Bath Waste)
  • Island Drain assembly
  • Mortar/Tile guard
  • Cutting Template