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Old 03-12-2011, 04:21 PM   #1
Join Date: Mar 2011
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fire pit lava rock

Building a 36" diameter, 14" high natural gas fire pit. The fire feature I'm putting in is a round 30" ring, with 2" of reflective glass as the top surface layer of the pit (vs. having a log set).

The company recommended the 2" of glass at a cost of approx $500, and then filler for the remaining 12" below using lava rock. Every inch of filler requires 30 lbs of lava rock. I will need 360 lbs of lava rock to fill the 12" and it will cost $360.

My question: Why can't I use some kind of gravel / pebble rock for all or most the 12" of fill (at least 10" as that's about where the burner will sit)???..... and then it will be a fraction of the cost.


Andrew Alex is offline   Reply With Quote
Old 03-15-2011, 12:45 AM   #2
Join Date: Mar 2011
Location: Wisconsin
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fire pit lava rock

Doesn't really answer your question, but if you're located near Wisconsin, I have all the lava rock you could want, for free I just want it out of my yard...

casper129 is offline   Reply With Quote
Old 03-15-2011, 05:33 AM   #3
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fire pit lava rock

When using other rocks they can hest up and pop out of the pit also can restrict gas flow
heatycooly is offline   Reply With Quote

fire pit filler lava rock

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