Self-adhering flexible plastic: Ensures a secure fit on most undermount sinks for double bowl installations
Can be notched to bridge dividers: Allows for custom shapes and configurations in tight or zero radius corners
Heat-moldable with blow dryer or heat gun: Softens plastic for easier shaping in complex sink designs
No need for composite sink compatibility: Works with most undermount sinks, including those with composite walls
Summarized by Shop
The Z Counterform Sink Form is used to create an opening for undermount sinks.
8 ft. long x 3-1/4" tall 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. An example of this can be seen at the bottom of our Website Ga
Dimensions
8 ft long x 3.25 in tall
Material
Plastic
Color
Black, White
Pattern
Solid
Installation
Self-adhering, notched for customization
Summarized by Shop
4.2
77 ratings
5
4
3
2
1
Cracked before i could cut it
Rosario · April 17, 2026
worked well
B
Bradley · April 6, 2026
Nice
It worked real good. It was a little stiff making the curves of the sink but still worked great!
