Concrete Countertop Sink Knockout

Concrete sink knockouts step 1 foam knockouts.

Concrete countertop sink knockout.

Fiberglass knockouts are used by professionals but can be used in do it yourself. This will accept most faucets and spouts. To install use a 2 5 8 hole saw. 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.

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. 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.

Faucet forms cast a 1 3 8 diameter void in your concrete countertop for easy installation of faucet fixtures control valves and dishwasher vents. Now its time to attach the knock outs to the countertop form. Self sealing reusable for multiple concrete castings and tapered for easy removal. It is meant to be used with our thinner euroform only and 1 4 substrate.

Unlike our standard knockout it will not create a pocket beaneath the concrete as it is not needed with this t. Step 3 rubber sink kockout. Friction fit silicone faucet knockout for cast in place concrete countertops. Step 2 fiberglass knockouts.

Check to make sure the top of the knockout is flush with the top of the forms. One reusable silicone faucet knockout that will create a 1 1 4 hole which will work with most standard faucets. 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.