18" Ceramic Heat Deflectors, Pizza Stones - CGS
Add On: Drip Pan Protection, Ceramic Spacers & Other Accessories
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18" Ceramic Heat Deflectors, Pizza Stones - CGS
For 20 years, we’ve helped grillers get the most out of their ceramic grills with racks and accessories that fit right and built to last. Whether you're a seasoned pro or just getting started — if you have questions about fit, features, or what you really need, we're here to help
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Have a Question? Give us a call
Whether you have questions about fit, compatibility, or just want a recommendation, we’re here to help - and yes, you’ll talk to a real person who knows a thing or two about kamado grills.
📞 Call us at 940-387-0100, or 📬 send us a message.
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Fast, Reliable Shipping
Most orders ship out same or next business day. And, shipping’s on us for orders over $99.
Live in the DFW metroplex? Swing by and pick it up in-store — we’ll have it ready. Our retail store is located in Denton.
📌 Get directions -
Tips & Resources
New to kamado cooking or just looking to up your BBQ game? Our guides, gear breakdowns, and how-tos will help you get the most out of your setup.
Check out the Pitmaster's Playbook
Product Description
18.5" Half-Moon Heat Deflectors for Kamado Grills – 13.6 lbs. of Ceramic Heat Control
The first time you pick up these 18.5" half-moon ceramic heat deflectors, your reaction will likely be: “Damn, these things are thick and heavy!” Built to handle serious heat, we partnered with a globally respected ceramic supplier to maximize durability and thermal resistance. After countless cooks, we can confidently say—they perform just as good as they look.
Pizza Stone
XL size pizza stone for round grills with a 22-inch or larger diameter cooking grid. This includes the XL EGG, Big Joe, and Weber Charcoal Summit.
Pair vs. Full
A pair will typically be your best choice as they are easier to move in/out of a rack system and provide more capability. Pairs can be used for pizza too. Check specific Flexible Cooking Systems (racks) to verify best use.
Important Deflector Protection
Don't forget to add our 18" Stainless Drip Pan – perfect for protecting the deflector and keeping the grill clean on long, messy, barbeque cooks.
XL Big Green EGG
The 18" Pair and Full Deflectors match the diameter of EGG's XL ConvEGGtor. A pair of 18 Half-Moons are cheaper than EGG's ConvEGGtor and offer more functionality when used with an Expander or Adjustable Rig.
- XL Big Green EGG – CGS XL Woo Expanders
- XL Big Green EGG – CGS XL Adjustable Rig Combos
- XL Big Green EGG – CGS XL Adjustable Rig Half Stone Hanger
- XL Big Green EGG – EGG XL EGGspander Basket
- XL Big Green EGG – CGS Accessory Ring, XL Spider
Big Joe
The 18" Deflectors must be used with the Divide & Conquer Accessory Rack (BJ-XR). Only Kamado Joe Deflectors (~19") will fit the lowest ring position. For barbeque cooks, we recommend using the Deflector on the Accessory Rack whenever possible—it provides better spacing and airflow than placing a deflector on the D&C's lowest ring position .
- Big Joe Kamado Joe – Divide & Conquer (see note above)
- Big Joe Kamado Joe – CGS Deep Drop Spiders
- Big Joe Kamado Joe – CGS Big Joe Expander
Pit Boss 24 & Louisiana Grills 24
One 18" Half-Moon Deflector is the perfect size for under the 20" Half Grid on the Pit Boss 24 Adjustable Rig.
- 24 Pit Boss / Louisiana Grills – CGS XL Adjustable Rig Half Stone Hanger
Size
Approximate stone specifications are 18-1/2" diameter, 3/4" thickness, and high-heat refractory ceramics. A full round or pair of half-moons weigh approximately 13.6 lbs.
Use
Best to set the stone in the grill as it comes to temperature to prevent thermal shock. Ceramic stones absorb moisture like sponges, so protect the topside of the stone with foil or a drip pan.
Care
Do not oil or use dish detergents on the stone. Do not clean with high heat or in the dishwasher. To clean, scrape debris off and heat at moderate temperatures. They will darken over time from absorbing smoke during cooks.
Ceramic Spacers
CGS Spacers provide two useful set-ups. (1) On pizza cooks, spacers can lift the pizza stone above the ConvEGGtor or heat deflector. (2) On barbeque cooks, spacers can lift the drip pan above the heat deflector.
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Ceramic Heat Deflectors are fabricated specifically for CGS, Ceramic Grill Store.