Sink Form

2.0 meter self-adhering flexible sink form. Will conform to most undermount sinks. For double bowl sinks, the sink form can be notched with a utility knife to bridge the divider. 


  • Use with Cast-in-Place Countertop Forms
  • Self-adhering will conform to most undermount sinks (sink must have vertical walls).
  • Fast and easy to make a form around an undermount sink when making a cast in place concrete countertop.
  • The Sink Form may be re-usable when using new Mounting Tape


Includes: one flat sink form, 2.0m long. Form is 82mm wide.


Sink must have vertical walls. For tight radius corners, sink form can be heated with a blow dryer or heat gun to soften the plastic so it bends easier.


If using a zero radius sink, sink form will have to be cut into 4 pieces (one for each isde of the sink).

Sink Form