Can I put an oven on top of landscape block / solid bricks?

Absolutely!

Just make sure you put a layer of LIQUID NAILS LANDSCAPE BLOCK with polyurethane - or a similar OUTDOOR / LANDSCAPE type adhesive that contains POLYURETHANE.

The poly allows the adhesive to have a little give… so they can move a little bit on those cold winters or real hot summers. Rock hard adhesive will simply crack / break after the first winter.

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