Use Cumaru hardwood (aka Brazilian Teak or Golden Teak). My internet searching seems to indicate that this wood has a Class A fire rating and is as resistant as concrete to fire.

This link includes a number of results from test data backing this up.

The type of testing that these hardwood decking and siding species were tested for is commonly referred to as ASTM E84-10 "Standard Method of Test for Surface Burning Characteristics of Building Materials". This fire testing standard was established by ASTM International (formerly known as American Society of Testing and Materials). A Class A fire rating using the ASTM test method is the equivalent of a Class A fire rating from the following test methods and agencies:

  • ANSI/NFPA No 255 from the American National Standards Institute/National Fire Protection Association
  • IBC 8.1 from the International Building Code
  • UL 723 from Underwriters Laboratories
Answer from Steven on Stack Exchange
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Evergreenpatio
evergreenpatio.com › products › fire-pit-poly-table-top
Poly Grove - Fire Pit Poly Top – Evergreen Patio
Poly Grove - Fire Pit Poly Top
Turn your fire pit into an outdoor table with this great addition.  Made from heavy duty poly lumber, this fire pit table top will not split, warp or need maintenance like a wooden table top.  Underneath has an additional poly structure to keep the table top from sliding off. Stainless fasteners used to ensure lasting durability.  **Never use while heat, flame or embers are still present in the Fire Bowl**  As of November 2025, we have changed our vendor for Driftwood Gray. Please let us know if you are trying to match existing pieces.
Price   US$129.00
Call   7702501582
Address   14 Mill St. Cave Spring, Ga 30124
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Outdoor GreatRoom Company
outdoorrooms.com › home › replacement parts
Replacement Parts Gas Fire Pit Tables | Outdoor GreatRooms
Looking for replacement parts? Our collection of high-quality replacement parts will keep your outdoor space looking and functioning its best.
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East Oak
eastoak.com › collections › fire-pit-replacement-parts
Fire Pit & Gas Fire Table Parts | East Oak Replacements
Find replacement parts for East Oak smokeless fire pits and gas fire tables. Shop burners, trays, ignitors, and more to keep your outdoor fire setup in top condition.
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Reddit
reddit.com › r/fixit › advice on material replace or fix firepit table
r/fixit on Reddit: Advice on material replace or fix firepit table
February 5, 2021 - But if you have tools take it apart and see if you can replace it with scrap. I could go on for hours. ... Please go on for hours! I am happy to hear it. I'd start by creating a wooden frame. Question: wood is flammable, so what would I do to ensure safety once the wooden frame is in place? ... You wouldn't use the fire pit with the wooden frame.
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The Log Company
thelogcompany.com › home › home & garden › firepits uk 50, 60, 70 and 80cm table tops for plain jane
Firepits UK 50, 60, 70 and 80cm Table Tops for Plain Jane | The Log Company
March 18, 2021 - Firepit UK Flat Table Top Lid is useful accessory to your Plain Jane the lid will keep rain water and debris out of the fire bowl which will protect it.
Find elsewhere
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Wayfair
wayfair.com › keyword.php
Fire Pit Top Replacement Parts | Wayfair
Nicely pre-assembled. Perfect fit to drop in current fire pit table to replace previous burner pan that deteriorated. Just had to attach the ignitor, flame control panel to the fire pit table to firmly secure it..
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eBay
ebay.com › home & garden › yard, garden & outdoor living › outdoor heating, cooking & eating › fire pits
Rectangular Fire Pit Metal Table Frame Tile Top Replacement Part, High-Quality | eBay
Rectangular Fire Pit Metal Table Frame Tile Top Replacement Part, High-Quality
To avoid complications during application, double-check the model number for compatibility. SereneLife ETL Certified Square Propane Gas Fire Pit Table 50,000 BTU w/ Cover. SereneLife Outdoor Fire Pit Table 40K BTU Propane CSA Approved Safe & Sturdy.
Price   US$249.99
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Socalfirepits
socalfirepits.com › parts-and-accessories
Parts & Accessories | SoCal Fire Pits
These decorative lava rocks or ... fire pit tables. Add a truly personalized look with your choice of... ... These Rasmussen Bark/Split FirePit Log Stacks are perfect for a classic looking fire pit. Logs can be stacked one way to show bark side or another to show split wood side. Bottom curved logs make a rounded base and the other logs stack on top...
Address   1260 N Hancock St Unit 107, 92807, Anaheim
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The Lilypad Cottage
thelilypadcottage.com › home › blog › diy › diy fire pit table top
DIY Fire Pit Table Top - The Lilypad Cottage
January 13, 2022 - I wanted the table to sit flush down inside my fire pit, so I couldn’t just put the 1 x 4’s all the way across, I had to use the metal brackets for the end pieces. I cut the 1 x 4’s to the right length, so they would fit snug inside the opening of my fire pit. I didn’t want the kids to be able to wiggle the top back and forth. I used 2 different lengths of screws, longer (1 ¼) for the wood brackets, and shorter ones (¾) for the metal brackets.
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Costco
costco.ca › home › patio, lawn & garden › outdoor heating › fire pit
Fire Pit | Costco
Classic Accessories Ravenna Fire Pit Covers · Online only · $39.99 · (11) Delivery · Available · CompareAdd to Cart · Back To Top · Log Racks & Accessories · Outdoor Heaters & Fire Columns · Chainsaws & Wood Chippers · Patio Furniture Covers · Show · Compare slot 1 is available ·
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All Backyard Fun
allbackyardfun.com › collections › fire-tables-fire-table-parts
Fire Table Parts – All Backyard Fun
Explore All Backyard Fun, the exclusive online distributor of the Original Oriflamme Gas Fire Table. Shop top brands like Northcape, Sunset West, Prism Hardscapes, and Elaine Smith for premium outdoor furniture and accessories. Create your perfect backyard oasis with customizable fire tables ...
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Amazon
amazon.ca › table-top-fire-pit › s
Amazon.ca: Table Top Fire Pit
Amazon's Choicefor "table top fire pit" 4.34.3 out of 5 stars (367) Price, product page$159.99$159.99 Was: $169.99 · Was: $169.99$169.99 · FREE delivery Wed, Oct 15 · Or fastest delivery Mon, Oct 13 · 4.44.4 out of 5 stars (478) Price, product page$49.99$49.99 ·
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Amazon
amazon.com › Best-Sellers-Tabletop-Fireplaces › zgbs › lawn-garden › 16135375011
Amazon Best Sellers: Best Tabletop Fireplaces
24 pcs Tabletop Fire Pit Ceramic Wool Wick to Extend Burning Time,Table Top Firepit Sponge Cotton for Fireplaces (4.7"x2"x0.2" H) ... ANM's worldwide Tabletop S’mores Maker Kit with Charcuterie Board, Roasting Sticks, Cheese Forks & Fuel Chamber – Indoor/Outdoor Mini Lantern for Roasting Treats – Christmas Gift | Black with Stone ... ONLYFIRE OUTDOOR LIVING Tabletop Fire Pit Burning Woods/Pellets, Portable Small Fireplace with Storage Bag for Camping Tailgating RV Patio Backyard, Smokeless Camping Stove 9.5", FP055 Green
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Etsy
etsy.com › ca › listing › 1725918600 › 24-inch-wooden-outdoor-fire-pit-table
24 Inch Wooden Outdoor Fire Pit Table Top - Etsy Canada
24 Inch Wooden Outdoor Fire Pit Table Top
Handcrafted wooden outdoor fire pit table top cover. Sealed and protected. Perfect for sitting around the campfire before the fire is actually raging. Extremely easy to put up and remove. Featuring rustic gothic black metal handles. Transform any outdoor fire pit into the perfect hangout spot! 24 INCHES IN DIAMETER
Price   $144.45
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Onlyfire Outdoor
onlyfire.com › collections › fire-pits
Table Top Fire Pit: Best Tabletop & Fire Pit Designs – OnlyFire
Discover the best table top fire pit options in North Carolina. Elevate your outdoor space with our quality tabletop fire pit.