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Suggestions for faux-wood on real wood deck

2 years ago
last modified: 2 years ago

We have a space in our deck where there used to be a hot tub that we would like to convert into a sunken gas fire pit, very similar to the one pictured here.

I'm looking for advice on material and process for building the "benches" (aka the edges / rim surround). Currently the square "pit" is surrounded by existing wood deck (essentially as pictured). My notion is to build the seating and bench backs "on top of" the deck platform.

We like the idea of a wood look rather than concrete or stone, but we want to avoid fire hazards, rot, and mildew around the seating area. So I'm investigating faux-wood composite planks, or even tile. But should we not install that "on top of" existing wood deck? What material and/or underlayment would help us build in long-lasting seats while avoiding rot and mildew?

The rest of the deck is quite large, so rebuilding the whole thing out of composite is something we're hoping to avoid.


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