Pour a Concrete Countertop for an Outdoor Bench

The Bottom Shelf

1×6’s are then screwed to the bottom rails to create the bottom shelf.

Cast your own Concrete Countertop for a Potting Bench with a Galvanized Corrugated Metal Roof
Attaching shelf boards

I’ll cut around the drain pipe. And also cut around the middle back leg.

Cast your own Concrete Countertop for a Potting Bench with a Galvanized Corrugated Metal Roof
Attaching shelf boards

Back Wall of Lower Shelf

The back wall of the lower shelf is made from galvanized corrugated metal. I have a piece left over from my rainwater tank surround project last year that I can use for this.

Cutting Corrugated Metal Panels

I need to cut it to size and I have found that an angle grinder with a metal cutoff blade gives a good cut.

Cast your own Concrete Countertop for a Potting Bench with a Galvanized Corrugated Metal Roof
Cutting Galvanized Corrugated Panel with Angle Grinder

I make up a straight edge from a 2×4 and clamp it to the metal and to sawhorses.

Cast your own Concrete Countertop for a Potting Bench with a Galvanized Corrugated Metal Roof
Cutting Galvanized Corrugated Panel with Angle Grinder

Then I run the angle grinder blade guard against this straight edge to make the cut. It took two passes but it works very well.

A bit of work with a metal file removes the sharp burrs.

Attach Corrugated Panels

These two panels will be screwed to 2×2’s that were added between the back legs of the bench.

Cast your own Concrete Countertop for a Potting Bench with a Galvanized Corrugated Metal Roof
Screwing Galvanized Corrugated Panel to Potting Bench

And I think it ended up looked pretty good.

Cast your own Concrete Countertop for a Potting Bench with a Galvanized Corrugated Metal Roof
Screwing Galvanized Corrugated Panel to Potting Bench

I like the industrial corrugated metal look and will be using it on a few more projects this summer.

Cast your own Concrete Countertop for a Potting Bench with a Galvanized Corrugated Metal Roof
Potting Bench with Cast Concrete Top

I have yet to add the faucet for the sink. I think I’ll custom fabricate something from copper pipe that will connect to the taps beside the bench. I’ll soon post some pics on Instagram and Pinterest of that when I get it done.

And that’s it! Thanks for reading. See ya next time.


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