How to Make a Rhomba Concrete Bench

This bench is easy to make in either fiber-reinforced or traditional wet-cast concrete. The end pieces support a wooden seating section, which can be made from a range of wood species. The concrete end pieces are formed with melamine-coated particle board, which is also readily available from our local lumber supplier. If you’re careful when demolding, you should be able to reuse the form for many castings.
Project Difficulty
One: Forming

Use quality materials when building this form to insure the form can be used for multiple castings. This form was used for over twenty castings.
Learn MoreTwo: Casting

We prefer to hand place the fiber reinforced concrete mixture onto horizontal surfaces and allow a few minutes for the recently placed…
Learn MoreThree: Demolding

Carefully dismantle the form by removing all the drywall screws before extracting the concrete casting and take precautions to assure the….
Learn MoreFour: Finishing

For our Rhomba Bench we decided to use cedar 2 x 4’s that were available at our local lumber yard and relatively affordable.
Learn More