Homemade Concrete Sink Molds

Learn how to use mold rubber to make customized concrete countertop sink molds watch more countertop forming videos.

Homemade concrete sink molds.

Made from the highest grade gelcoat and fiberglass resin or industrial polyurethane rubber. Molds for countertops can be made from a variety of materials. With the buddy rhodes method the concrete is applied in two layers each to 1 inch thick. Use a double mold both inside and outside faces of the sink and pour concrete inside and vibrate to get a smooth finish.

Center the basin on the acrylic coated board and draw a pencil outline around the perimeter of the basin. To begin measure the sink basin for dimensions. In this tutorial the model is a concrete sink basin. Stone soup concrete in florence ma.

Concrete sink molds bathroom drain fiberglass and rubber sink molds hand crafted by expressions ltd in the usa. Use concrete that is somewhat flowable but that can still be built up over the sink mold. Made from the highest grade gelcoat and fiberglass resin or industrial polyurethane rubber. Designed for repeated use in casting concrete sinks.

Use acrylic coated boards to construct the mold box walls spacer board and two baseboards. In the center attach the sink mold. Then attach the mold to the melamine with a small bead of silicone sealer at each corner. Measure and trace the area where you want to attach your sink mold.

With a top up technique where the finished countertop surface. Concrete countertops are manufactured either top up or top down.