Undermount Sink Form For Concrete Countertops

Will conform to most undermount sinks.

Undermount sink form for concrete countertops.

Self adhering will conform to most undermount sinks sink must have vertical walls. Use with cast in place countertop forms sold here. Will conform to most undermount sinks. 8 foot self adhering flexible sink form.

Long x 3 1 4 tall self adhering flexible sink form. The sink form may be re usable when using new. An example of this can be seen in photo 54 in the website gallery. The process can be long but patience will yield some satisfying results.

One flat sink form 8 long. Types of sink supports. Sf001 sink form. Fast and easy to make a form around an undermount sink when making a cast in place concrete countertop.

For double bowl sinks the sink form can be notched with a utility knife to bridge the divider. Form is 3 25 wide. For concrete countertops the concrete should not bear the weight of the sink. For double bowl sinks the sink form can be notched with a utility knife to bridge the divider.

Instead you build a support out of plywood and the cabinet frame together with the support bear the weight of the sink. 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.