Stone Master Molds Rubber Molds for Concrete, XL Cut Limestone Mold, Creates Two 18.5″L x 8″W x 1.75″D Stones

Stone Master Molds XL Cut Limestone Mold

You can create your own extra large, cut limestone veneer stone with Stone Masters' professional grade rubber mold for concrete. Each mold creates 2 cut limestones. The face is natural limestone texture, with 3 sides being smooth and one short side also with a limestone texture. The finished product that you pour will be 18.5" long x 8" wide and 1.75" thick.

In fact, our molds require NO release agent.  Consequently, this saves you money, time, and clean up, as well as easy, clean release of face color pigments, unlike plastic molds, urethane molds, and silicone molds.

Furthermore, you can pour hundreds of times with this professional quality mold!

Made in the USA, both materials and labor.

Manufactured Stone Basic Mixing Procedures Using A Pre-bagged Concrete Mix for your XL Cut Limestone Molds:

This is one suggestion for mixing the concrete for the limestone veneer stone molds. There are many other instructions available online, including videos.

BE SURE TO USE A CONCRETE MIX THAT CONTAINS PORTLAND CEMENT. We recommend Sakrete Maximizer, as it has lightweight aggregate, is high strength, and yields more product, but there are many kinds you can use. Follow the manufacturer’s instructions for mixing.

If using pigment, add desired iron oxide pigment to mixer (100% pure, no additives). These can easily be found on Amazon, etc.

In addition, a plasticizer can be added to reduce the amount of water in the mix. Pour into the molds which may already have coloring additives… NO RELEASE AGENT NECESSARY. Vibrate molds to release air bubble.

Finally, cure the concrete in the limestone molds for approximately 24 hours at the minimum of 70 degrees Fahrenheit before demolding. Higher humidity is desired. Furthermore, molds can be covered with a tarp to retain more heat and humidity. Continue to cure demolded stones at 70 degrees or greater until ready.