Built a fire pit this week. Our back yard slopes down to the right so hard to find a semi-level spot. I had to dig a hole 4” deep on the left side and 2” on the right, tamped the dirt down, filled it with pea pebbles and leveled it. Except for the metal fire ring I purchased everything from Home Depot. More expensive than I thought it would be even with my 10% off military discount, 4 levels high 52 blocks @ $2.59 each = $134.68 https://www.homedepot.com/p/Oldcast...crete-Retaining-Wall-Block-16253217/311781599, 7 bags of pea pebbles @ $4.92 = $34.46, 3 tubes of Loctite PL 500 landscaping adhesive @ $6.46 = $19.39, 1 can of Rust-Oleum high temp paint = $6.28, 36” inner diameter Iron fire ring from Amazon = $49.99, and 4 concrete pavers @ $0.25 = $1. https://www.homedepot.com/p/Pavesto...Old-Town-Blend-Concrete-Paver-22099/100619496 Total = $245.80 + tax
The landscaping adhesive is for glueing the top 3 layers together. I used the concrete pavers to fill in a small gap the blocks left. I had to cut ~1.5" off the length of the pavers with a masonry blade to match the blocks. The iron fire ring is optional but it’s supposed to protect the blocks and gives it a finished look. The listing doesn’t say what metal the nuts/bolts/washers are made of so I sprayed the ring with high temp paint. https://www.amazon.com/dp/B0DTK8YRN3?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1 The ring is sturdy. I measured ~3mm thick with my caliper. It weighs ~27 lbs. It came in 8 sections, a PITA to assemble. I used the ring as a template for each level.
The landscaping adhesive is for glueing the top 3 layers together. I used the concrete pavers to fill in a small gap the blocks left. I had to cut ~1.5" off the length of the pavers with a masonry blade to match the blocks. The iron fire ring is optional but it’s supposed to protect the blocks and gives it a finished look. The listing doesn’t say what metal the nuts/bolts/washers are made of so I sprayed the ring with high temp paint. https://www.amazon.com/dp/B0DTK8YRN3?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1 The ring is sturdy. I measured ~3mm thick with my caliper. It weighs ~27 lbs. It came in 8 sections, a PITA to assemble. I used the ring as a template for each level.
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