2 Concrete Cement Countertop Sink Faucet Knockout Plugs


SKU: sinkknockout2pack Category:



2 Countertop Sink faucet Knockout plugs

  • 2 sink knockouts
  • Leaves a 1- 3/8″ void and 2 3/4″ void for mounting hardware.

Directions for use:

  • Place on melamine or non stick surface and either silicone or screw in place screw holes will dissapear after removal
  • Silicone bottom of the sink knockout  to create a water-tight seal between mold and surface.
  • Use form release for ease of removal
  • Vibrate mold & Form Liner to remove air pockets using palm sander, or concrete vibrator
Stamp Features
  • Made out of polyurethane
  • Great for poor in place or pre-cast countertops
  • Great for pool coping and step liners
  • Re-usable
  • Last a lifetime
  • Splice multiple liners together with silicone



There are no reviews yet.

Be the first to review “2 Concrete Cement Countertop Sink Faucet Knockout Plugs”