Concrete Countertop Sink Knockout

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

Concrete countertop sink knockout.

Check to make sure the top of the knockout is flush with the top of the forms. Self sealing reusable for multiple concrete castings and tapered for easy removal. This will accept most faucets and spouts. Fiberglass knockouts are used by professionals but can be used in do it yourself.

Now its time to attach the knock outs to the countertop form. 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. It will also create a 2 1 2 pocket that is 1 beneath the surface to fasten hardware in. Step 2 fiberglass knockouts.

Concrete sink knockouts step 1 foam knockouts. Durable polyurethane rubber faucet forms for concrete cement counter top faucet knockouts. 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.

Faucet forms cast a 1 3 8 diameter void in your concrete countertop for easy installation of faucet fixtures control valves and dishwasher vents. One reusable silicone faucet knockout that will create a 1 1 4 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. The form is pretty simple a frame of melamine screwed together and sealed with silicone caulk.

This knockout will create a 1 3 8 hole which will work with most standard faucets. It is meant to be used with our thinner euroform only and 1 4 substrate. Step 3 rubber sink kockout. Measure your vanity do a little geometry and figure out where the openings need to be.