Concrete Countertop Sink Knockout

Step 3 rubber sink kockout.

Concrete countertop sink knockout.

It is meant to be used with our thinner euroform only and 1 4 substrate. To install use a 2 5 8 hole saw. Step 2 fiberglass knockouts. Faucet forms cast a 1 3 8 diameter void in your concrete countertop for easy installation of faucet fixtures control valves and dishwasher vents.

This knockout will create a 1 3 8 hole which will work with most standard faucets. Unlike our standard knockout it will not create a pocket beaneath the concrete as it is not needed with this t. Measure your vanity do a little geometry and figure out where the openings need to be. Push the knockout up through the hole from the underside of the cement board until the 3rd ring hits the bottom of the cement board.

Friction fit silicone faucet knockout for cast in place concrete countertops. Now its time to attach the knock outs to the countertop form. It is meant to be used with our thinner euroform only and 1 4 substrate. One reusable silicone faucet knockout that will create a 1 1 4 hole which will work with most standard faucets.

Fiberglass knockouts are used by professionals but can be used in do it yourself. One reusable silicone faucet knockout that will create a 1 1 4 hole which will work with most standard faucets. Durable polyurethane rubber faucet forms for concrete cement counter top faucet knockouts. The form is pretty simple a frame of melamine screwed together and sealed with silicone caulk.

Unlike our standard knockout it will not create a pocket beaneath the concrete as it is not needed with this t. Check to make sure the top of the knockout is flush with the top of the forms. It will also create a 2 1 2 pocket that is 1 beneath the surface to fasten hardware in. Foam knockouts are great for a do it yourself countertop project because they are affordable.