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Keystone Mold CS6531 (1 set of 10 molds)


SKU: CS-6531-13 Categories: , ,

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You can make heavy-duty keystone shaped castle stone pavers for circles or curves for about $0.25 each in any color!

They make a great matching to our #cs-0606, 6″x6″x1.5″ square castle stone cobblestone garden pavers and blend in well with all of our 1.5″ thick castle stone style stones.

You can start making these pavers immediately!
These 1-1/2″ thick pavers will support pedestrian traffic when set properly in sand!
You are purchasing a set of thirteen (13) – (6″x5″x3x1.5″) “olde castle stone keystone” concrete molds to make custom-colored, keystone-shaped cobblestones. The mold photo is of one sheet of twelve of these molds as they come off of our machine. You receive six of those 12 molds. All mold sheets are cut into the individual molds.

You receive free instructions on how to make the stone, and how to lay it, (if needed), with your purchase.


Set of 10 – 6x5x3x1.5″ keystone cobblestone “castle stone” paver molds

These “keystone” shaped, thick pavers are ideal for making circular designs, and wavy designs instead of just rows. They actually measure a nominal 6″x5″x3″x1.5″ thick and are in the shape of a standard keystone. They are the perfect complement to our #CS-0606 square paver molds. Together, they allow an unlimited choice of paver designs.

We also offer a castle stone keystone shape in a 6″x5″x4″x1.5″ size for larger circles or arches.

Our paver molds, like our tile and stone molds, can be used hundreds of times. These paver molds make a paver that is 6″x5″x3″x1.5″ and are designed to be used for driveways, patios, walks, edging, cobblestones, etc. We have hundreds of different styles, sizes, textures, and shapes of molds to choose from. If there is something you’d like that you do not see in our store, let us know. We may be able to make it for you.

Remember: Free instructions are included with each purchase, and help is only an email away. Feel free to email your questions to us and we’ll get right back to you with an answer or solution. Thank you for your interest in our products. Our molds are designed to last for hundreds of pours and are made with .060 h.i. Commercial rubberized abs.

These pavers also make excellent garden edgings for flower and vegetable beds, walks, etc.

Do you have a large project, like a driveway?

Save big by ordering in quantity. See our other larger quantity listings, or double or triple up on your order here and get free molds as a bonus -normally one free mold with each dozen – referred to as a “baker’s dozen.”

The “How to” process is so simple virtually anyone can do it!

It’s like making a cake! But no oven is needed!

Here’s how:

  • Lubricate the molds. A light vegetable oil will do if you don’t have mold release.
  • Mix a bag of pre-mix concrete. Get a shovel, water, and something to mix it in.
  • Add some concrete color, which is optional; unless you want just plain gray.
  • Pour mix into molds. Vibrate a bit to compact concrete and release air bubbles.
  • Let the filled molds sit a day or so, undisturbed; over-night is fine.
  • Carefully flip the molds over the next day; and pop out what you’ve created from the mold!
  • That is obviously a simplified version of the process, but it is that easy. And free instructions and email support are included with each purchase.


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