Undermount Sink Form For Concrete Countertops

Installing an undermount sink in a concrete countertop is similar to installing it into other countertops with a few small but important differences.

Undermount sink form for concrete countertops.

Form is 3 25 wide. The sink form may be re usable when using new. For concrete countertops the concrete should not bear the weight of the sink. An example of this can be seen in photo 54 in the website gallery.

Instead you build a support out of plywood and the cabinet frame together with the support bear the weight of the sink. Fast and easy to make a form around an undermount sink when making a cast in place concrete countertop. Sf001 sink form. Will conform to most undermount sinks.

Sink must have vertical walls. For double bowl sinks the sink form can be notched with a utility knife to bridge the divider. Self adhering will conform to most undermount sinks sink must have vertical walls. 8 foot self adhering flexible sink form.

One flat sink form 8 long. The first type of support is a commercial sink bracket sold by granite supply companies. Types of sink supports. Long x 3 1 4 tall self adhering flexible sink form.

For tight radius corners sink form can be heated with a blow dryer or heat gun to soften the plastic so it bends easier. The process can be long but patience will yield some satisfying results. Use with cast in place countertop forms sold here.