How To Make A Concrete Farm Sink Mold

You can technically call it the negative of the sink.

How to make a concrete farm sink mold.

Measure and trace the area where you want to attach your sink mold. The frame you ve seen it explained as mold holds the entire concrete while the foam negative is used to shape those areas where you don t want the concrete to go inside the mold. The dimensions i used for these. I ve coated the mold with 3 coats of mold release wax to prevent the concrete from sticking.

One for the bottom two for the length sides and two for the width sides. On this project i used high grade 3 4 plywood for the mold. To make the mold i had five pieces cut. Then attach the mold to the melamine with a small bead of silicone sealer at each corner.

Molds for countertops can be made from a variety of materials. With a top up technique where the finished countertop surface. This will help level the mold initially then run a bead of silicone along the outside edge. Use foam sheets and make bowls of the farm sink single or double whatever you want to build.

The sink mold comes off with the countertop then we pull the sink mold out. Stone soup concrete in florence ma. Learn how to use mold rubber to make customized concrete countertop sink molds watch more countertop forming videos. Otherwise you would be putting forces on the sink that you probably don t want there are three basic ways to cast the concrete for the sink.

Just remember that you can make a mold of just about anything so get creative in designing your new sink basin. The following step by step uses smooth on s vytaflex 40 mold rubber to achieve perfect concrete sink molds that can handle multiple castings. It is very helpful to use a plywood that has a smooth finish as any shapes in the wood will imprint on the concrete when it cures. Materials used in this tutorial.