Rhomba Concrete Bench
FOUR: 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. While any species of lumber will work, there are some species that standup to the elements better than others.
What You’ll Need
- Power Saw
- Cordless Drill
- GFRC Rhomba Bench How-To Drawings
- Lumber
- Screws
Step 1 – Build the Bench Top
Step 2 – Install
Previous: Demolding

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