Concrete Countertop Sink Knockout

Durable polyurethane rubber faucet forms for concrete cement counter top faucet knockouts.

Concrete countertop sink knockout.

Faucet forms cast a 1 3 8 diameter void in your concrete countertop for easy installation of faucet fixtures control valves and dishwasher vents. Friction fit silicone faucet knockout for cast in place concrete countertops. Unlike our standard knockout it will not create a pocket beaneath the concrete as it is not needed with this t. The form is pretty simple a frame of melamine screwed together and sealed with silicone caulk.

To install use a 2 5 8 hole saw. Check to make sure the top of the knockout is flush with the top of the forms. 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. Unlike our standard knockout it will not create a pocket beaneath the concrete as it is not needed with this t.

Fiberglass knockouts are used by professionals but can be used in do it yourself. Measure your vanity do a little geometry and figure out where the openings need to be. This knockout will create a 1 3 8 hole which will work with most standard faucets. Step 3 rubber sink kockout.

Self sealing reusable for multiple concrete castings and tapered for easy removal. One reusable silicone faucet knockout that will create a 1 1 4 hole which will work with most standard faucets. One reusable silicone faucet knockout that will create a 1 1 4 hole which will work with most standard faucets. This will accept most faucets and spouts.

Step 2 fiberglass knockouts. Foam knockouts are great for a do it yourself countertop project because they are affordable. 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.