{"product_id":"18-inch-ceramic-half-moon-deflectors-pizza-stones","title":"CGS 18\" Ceramic Half-Moon Deflectors \u0026 Pizza Stones","description":"\u003c!-- Custom CSS for Accordion - Place in main CSS stylesheet or keep here inline --\u003e\n\u003cstyle\u003e\n  .cgs-faq-container {\n    margin-top: 1.5rem;\n    margin-bottom: 1.5rem;\n  }\n  .cgs-faq-item {\n    border: 1px solid #e2e8f0;\n    border-radius: 6px;\n    margin-bottom: 0.75rem;\n    overflow: hidden;\n    transition: border-color 0.2s ease, box-shadow 0.2s ease;\n  }\n  .cgs-faq-item:hover {\n    border-color: #cbd5e1;\n  }\n  .cgs-faq-item[open] {\n    border-color: #ff2a00; \/* Uses your primary CGS orange accent *\/\n    box-shadow: 0 2px 4px rgba(0,0,0,0.04);\n  }\n  .cgs-faq-summary {\n    padding: 0.85rem 1.25rem;\n    font-weight: 600;\n    font-size: 1.05rem;\n    cursor: pointer;\n    background-color: #f8fafc;\n    color: #1e293b;\n    list-style: none; \/* Hides default browser arrow *\/\n    display: flex;\n    justify-content: space-between;\n    align-items: center;\n    user-select: none;\n  }\n  .cgs-faq-summary::-webkit-details-marker {\n    display: none; \/* Hides Safari default arrow *\/\n  }\n  .cgs-faq-summary::after {\n    content: \"+\";\n    font-size: 1.25rem;\n    font-weight: 400;\n    color: #ff2a00;\n    transition: transform 0.2s ease;\n    margin-left: 0.5rem;\n  }\n  .cgs-faq-item[open] .cgs-faq-summary::after {\n    content: \"\\2212\"; \/* Unicode Minus symbol *\/\n  }\n  .cgs-faq-item[open] .cgs-faq-summary {\n    background-color: #fff;\n    border-bottom: 1px solid #f1f5f9;\n  }\n  .cgs-faq-content {\n    padding: 1rem 1.25rem;\n    background-color: #ffffff;\n    color: #334155;\n    line-height: 1.6;\n    margin: 0;\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"product-description-cgs\" style=\"text-align: start;\"\u003e\n  \u003cp\u003eCGS 18\" ceramic heat deflectors and pizza stones are engineered for rack systems in many kamado grills with a \u003cstrong\u003enominal 24\" main cooking grid\u003c\/strong\u003e.\u003c\/p\u003e\n  \u003cp\u003eChoose half-moon deflectors for flexible two-zone grilling and barbeque setups, or select the full-round stone for dedicated pizza baking and other baking applications.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eBefore Ordering:\u003c\/strong\u003e Fitment and positioning depend on the specific grill and rack system being used. Always check the applicable CGS grill or rack-system product page for the recommended deflector size, support position, and setup details.\u003c\/p\u003e\n  \n  \u003ch3\u003e\u003cspan class=\"cgs-orange\" style=\"color: rgb(255, 42, 0);\"\u003eCommon Grill Applications\u003c\/span\u003e\u003c\/h3\u003e\n  \u003cp\u003eCommon rack-system applications include select setups for:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eXL Big Green EGG\u003c\/li\u003e\n    \u003cli\u003eWeber Summit Kamado E6 and S6\u003c\/li\u003e\n    \u003cli\u003ePit Boss 24\u003c\/li\u003e\n    \u003cli\u003eLouisiana Grills 24\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Cooking-grid size alone does not guarantee fitment. Kamado Joe \u003cstrong\u003eBig Joe rack systems\u003c\/strong\u003e, for example, generally \u003cstrong\u003erequire a larger heat deflector\u003c\/strong\u003e. Always confirm the recommended size on the product page for your specific setup.\u003c\/p\u003e\n  \n  \u003ch3\u003e\u003cspan class=\"cgs-orange\" style=\"color: rgb(255, 42, 0);\"\u003eWhy Choose Half-Moon Heat Deflectors?\u003c\/span\u003e\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGrilling:\u003c\/strong\u003e Use one half for two-zone grilling\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBarbeque:\u003c\/strong\u003e Combine two halves for full indirect coverage\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e Two smaller pieces are easier to place, remove, and store\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLower replacement cost:\u003c\/strong\u003e If one half breaks, you only replace one half\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect fire access:\u003c\/strong\u003e Flexible positioning lets you access charcoal directly mid-cook\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003e\u003cspan class=\"cgs-orange\" style=\"color: rgb(255, 42, 0);\"\u003eSetting Up the Full-Round Pizza Stone\u003c\/span\u003e\u003c\/h3\u003e\n  \u003cp\u003eFor pizza cooks, place the full-round pizza stone above a separate heat deflector with an air gap between the two ceramic surfaces. The lower deflector blocks direct heat, while the elevated pizza stone provides the baking surface.\u003c\/p\u003e\n  \u003cp\u003eFor even heating, the pizza stone should generally be the same diameter as, or slightly smaller than, the heat deflector positioned below it.\u003c\/p\u003e\n  \u003cp\u003eCheck your CGS grill or rack-system page for the recommended spacers, stone height, and deflector arrangement.\u003c\/p\u003e\n\n  \u003ch3\u003e\u003cspan class=\"cgs-orange\" style=\"color: rgb(255, 42, 0);\"\u003eRemember a Drip Pan\u003c\/span\u003e\u003c\/h3\u003e\n  \u003cp\u003eFor barbeque cooks, we strongly recommend placing a \u003cstrong\u003estainless steel drip pan\u003c\/strong\u003e above the ceramic heat deflector. Ceramic is porous and can absorb grease and moisture over time. When trapped moisture is heated, it can create steam inside the ceramic and place additional stress on the stone.\u003c\/p\u003e\n\n  \u003ch3\u003e\u003cspan class=\"cgs-orange\" style=\"color: rgb(255, 42, 0);\"\u003eBenefits of Ceramic Spacers\u003c\/span\u003e\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eCGS Ceramic Spacers\u003c\/strong\u003e create an air gap above the heat deflector. Ceramic spacers can enhance your setup in several ways:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUnder a drip pan:\u003c\/strong\u003e Helps reduce scorching and burnt drippings\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBetween deflectors:\u003c\/strong\u003e Creates separation in double-indirect setups\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUnder a pizza stone:\u003c\/strong\u003e Adds lift and creates thermal separation\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003e\u003cspan class=\"cgs-orange\" style=\"color: rgb(255, 42, 0);\"\u003eProduct Details (Pair)\u003c\/span\u003e\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNominal size:\u003c\/strong\u003e 18-inch\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eActual diameter:\u003c\/strong\u003e Approximately 18.5 inches\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e Approximately 3\/4 inch\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 14 lbs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-heat refractory ceramic\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Natural ceramic that darkens as it absorbs smoke during normal use\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003e\u003cspan class=\"cgs-orange\" style=\"color: rgb(255, 42, 0);\"\u003eCare \u0026amp; Maintenance\u003c\/span\u003e\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDo not use soap, detergents, or chemical cleaners.\u003c\/li\u003e\n    \u003cli\u003eDo not clean in a dishwasher.\u003c\/li\u003e\n    \u003cli\u003eGently scrape baked-on food residue after cooling.\u003c\/li\u003e\n    \u003cli\u003eUse a drip pan to protect against grease buildup.\u003c\/li\u003e\n    \u003cli\u003eAvoid aggressive high-temperature cleaning burns.\u003c\/li\u003e\n    \u003cli\u003eAllow ceramic to heat and cool gradually whenever possible.\u003c\/li\u003e\n    \u003cli\u003eExpect natural smoke darkening and discoloration with normal use.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003e\u003cspan class=\"cgs-orange\" style=\"color: rgb(255, 42, 0);\"\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h3\u003e\n\n  \u003cdiv class=\"cgs-faq-container\"\u003e\n    \u003cdetails class=\"cgs-faq-item\"\u003e\n      \u003csummary class=\"cgs-faq-summary\"\u003eWill these fit every kamado with a 24\" cooking grid?\u003c\/summary\u003e\n      \u003cp class=\"cgs-faq-content\"\u003eNo. Cooking-grid diameter is only a general starting point. Deflector fitment also depends on the grill's internal dimensions, fire ring, and the rack system supporting the ceramic. Confirm the recommended size on the applicable CGS product page before ordering.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"cgs-faq-item\"\u003e\n      \u003csummary class=\"cgs-faq-summary\"\u003eWill these work with a Kamado Joe Big Joe?\u003c\/summary\u003e\n      \u003cp class=\"cgs-faq-content\"\u003eKamado Joe Big Joe rack systems generally require a larger heat deflector. Do not select these deflectors for a Big Joe rack-system setup unless they are specifically recommended on the applicable CGS product page. The full-round stone can be used for pizza in select Big Joe setups.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"cgs-faq-item\"\u003e\n      \u003csummary class=\"cgs-faq-summary\"\u003eWill heat escape through the gap between two half-moons?\u003c\/summary\u003e\n      \u003cp class=\"cgs-faq-content\"\u003eA small amount of heat can rise through the center seam, but the gap is narrow and does not meaningfully affect indirect-cooking performance.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"cgs-faq-item\"\u003e\n      \u003csummary class=\"cgs-faq-summary\"\u003eCan half-moons be used as a pizza stone?\u003c\/summary\u003e\n      \u003cp class=\"cgs-faq-content\"\u003eA pair of half-moons can be used as an occasional pizza-baking surface when properly supported. However, the center seam does not provide the same continuous surface as a full-round stone. Regular pizza makers will generally prefer a dedicated full-round pizza stone.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"cgs-faq-item\"\u003e\n      \u003csummary class=\"cgs-faq-summary\"\u003eCan the full-round pizza stone be used as a heat deflector?\u003c\/summary\u003e\n      \u003cp class=\"cgs-faq-content\"\u003eA full-round stone can provide indirect coverage when properly supported, but we generally recommend reserving it for pizza and baking. Half-moons are more versatile for indirect and two-zone cooking, while separate ceramics help keep the pizza stone cleaner and limit its exposure to grease and direct fire.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"cgs-faq-item\"\u003e\n      \u003csummary class=\"cgs-faq-summary\"\u003eCan I cover the deflectors with aluminum foil?\u003c\/summary\u003e\n      \u003cp class=\"cgs-faq-content\"\u003eYou can cover the top surface, but folds and creases may create small holes that allow grease to leak through. Avoid wrapping the underside where the foil would be exposed to direct fire. A properly sized stainless steel drip pan is the cleaner and more reliable option.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"cgs-faq-item\"\u003e\n      \u003csummary class=\"cgs-faq-summary\"\u003eCan I clean the ceramic with a high-temperature burn?\u003c\/summary\u003e\n      \u003cp class=\"cgs-faq-content\"\u003eWe do not recommend aggressive high-temperature cleaning burns. Rapid or extreme temperature changes place unnecessary thermal stress on ceramic components. Gently scrape away residue after the ceramic has cooled and use a drip pan to reduce buildup.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"cgs-faq-item\"\u003e\n      \u003csummary class=\"cgs-faq-summary\"\u003eAre half-moons better than a full-round deflector?\u003c\/summary\u003e\n      \u003cp class=\"cgs-faq-content\"\u003eFor most grilling and barbeque setups, half-moons provide greater flexibility because they can be used individually or as a pair. A full-round stone is better suited for pizza and other cooks that benefit from a continuous baking surface.\u003c\/p\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003e\u003cspan class=\"cgs-orange\" style=\"color: rgb(255, 42, 0);\"\u003eBrand Compatibility \u0026amp; Product Engineering\u003c\/span\u003e\u003c\/h3\u003e\n  \u003cp\u003eCeramic Grill Store is an independent manufacturer and retailer of kamado grill accessories. We are not affiliated with or endorsed by the grill manufacturers referenced on this page.\u003c\/p\u003e\n  \u003cp\u003eThird-party brand and model names are used solely to identify compatible grills and cooking systems.\u003c\/p\u003e\n  \u003cp\u003eSince 2005, Ceramic Grill Store has engineered premium kamado accessories designed for compatibility with select grills and cooking systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Ceramic Grill Store","offers":[{"title":"One Half Round - CGS","offer_id":41579800756282,"sku":null,"price":30.0,"currency_code":"USD","in_stock":false},{"title":"Two Half Rounds - CGS","offer_id":41579800789050,"sku":null,"price":59.99,"currency_code":"USD","in_stock":false},{"title":"One Full Round - CGS","offer_id":41579800821818,"sku":null,"price":54.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1088\/6648\/files\/ceramic-heat-deflectors-half-moon-full-round-pizza-stone-cgs.jpg?v=1781812369","url":"https:\/\/ceramicgrillstore.com\/products\/18-inch-ceramic-half-moon-deflectors-pizza-stones","provider":"Ceramic Grill Store","version":"1.0","type":"link"}