{"title":"Hamill \u0026 Gillespie Shelves And Posts","description":"\u003cp\u003eDiscover our complete range of Hamill and Gillespie hollow core shelves and posts. This versatile shelving system offers practical storage solutions for any space, from residential rooms to commercial environments.\u003cbr\u003eOur collection includes a variety of shelf sizes and coordinating posts designed to work together seamlessly. The hollow core construction provides a balance of strength and manageability, making installation straightforward while maintaining durability for everyday use.\u003cbr\u003eBrowse our selection to find the shelving components that fit your specific layout and organizational needs. Whether you're outfitting a single wall or an entire room, Hamill and Gillespie shelving offers the flexibility to create a customized storage solution.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eShop the Collection:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHollow core shelves in multiple sizes\u003cbr\u003eCompatible posts and mounting hardware\u003cbr\u003eMix and match to build your ideal configuration\u003c\/p\u003e","products":[{"product_id":"gillespie-kiln-post-square-1-65-x-1-2","title":"Gillespie Kiln Post Square 1.65\" x 1\/2\"","description":"\u003cdiv class=\"woocommerce-product-details__short-description\"\u003e\n\u003ch3 class=\"MsoNormal\"\u003eGILLESPIE KILN POST 1\/2″ X 1-5\/8″ SQUARE\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eGillespie’s™ Kiln Furniture - MULCORITE™ is Thermal Shock Resistant and Extruded with a Free-Flowing Air Design. A specialty blend of mullite and cordierite provided thermal shock resistance and suitable to cone 10 or 11. The use of extrusion for shelves and posts provides excellent surface finishing and strict dimensional tolerances.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230717792627,"sku":"HGKP.5","price":1.06,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/Screenshot_6_af3bc3a8-c0d4-4c53-a89b-0a3c0896e631.png?v=1791877054"},{"product_id":"gillespie-kiln-post-square-1-65-x-1","title":"Gillespie Kiln Post Square  1.65\" x 1\"","description":"\u003ch3 class=\"MsoNormal\"\u003eGILLESPIE KILN POST 1″ X 1-5\/8″ SQUARE\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eGillespie’s™ Kiln Furniture - MULCORITE™ is Thermal Shock Resistant and Extruded with a Free-Flowing Air Design. A specialty blend of mullite and cordierite provided thermal shock resistance and suitable to cone 10 or 11. The use of extrusion for shelves and posts provides excellent surface finishing and strict dimensional tolerances.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230718513523,"sku":"HGKP1","price":1.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/Screenshot_8_0646c3c4-f009-4d6e-8424-1c4aae77e62b.png?v=1791877054"},{"product_id":"gillespie-kiln-post-square-1-65-x-2","title":"Gillespie Kiln Post Square 1.65\" x 2\"","description":"\u003ch3 class=\"MsoNormal\"\u003eGILLESPIE KILN POST 2″ X 1-5\/8″ SQUARE\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eGillespie’s™ Kiln Furniture - MULCORITE™ is Thermal Shock Resistant and Extruded with a Free-Flowing Air Design. A specialty blend of mullite and cordierite provided thermal shock resistance and suitable to cone 10 or 11. The use of extrusion for shelves and posts provides excellent surface finishing and strict dimensional tolerances.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230718742899,"sku":"HGKP2","price":2.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/Screenshot_9_6cb172e8-1d78-4b45-9225-f2cb7f5cf529.png?v=1791877054"},{"product_id":"gillespie-kiln-post-square-1-65-x-4","title":"Gillespie Kiln Post Square 1.65\" x 4\"","description":"\u003ch3 class=\"MsoNormal\"\u003eGILLESPIE KILN POST 4″ X 1-5\/8″ SQUARE\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eGillespie’s™ Kiln Furniture - MULCORITE™ is Thermal Shock Resistant and Extruded with a Free-Flowing Air Design. A specialty blend of mullite and cordierite provided thermal shock resistance and suitable to cone 10 or 11. The use of extrusion for shelves and posts provides excellent surface finishing and strict dimensional tolerances.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230718972275,"sku":"HGKP4","price":3.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/Screenshot_10_34b50709-9497-4b9e-be8c-daabb8f9bced.png?v=1791877054"},{"product_id":"gillespie-kiln-post-square-1-65-x-6","title":"Gillespie Kiln Post Square 1.65\" x 6\"","description":"\u003ch3 class=\"MsoNormal\"\u003eGILLESPIE KILN POST 6″ X 1-5\/8″ SQUARE\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eGillespie’s™ Kiln Furniture - MULCORITE™ is Thermal Shock Resistant and Extruded with a Free-Flowing Air Design. A specialty blend of mullite and cordierite provided thermal shock resistance and suitable to cone 10 or 11. The use of extrusion for shelves and posts provides excellent surface finishing and strict dimensional tolerances.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230720184691,"sku":"HGKP6","price":5.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/Screenshot_11_fb0ec614-b44f-4fbc-bd90-0b3d747f6791.png?v=1791877055"},{"product_id":"gillespie-kiln-post-square-1-65-x-8","title":"Gillespie Kiln Post Square 1.65\" X 8\"","description":"\u003ch3 class=\"MsoNormal\"\u003eGILLESPIE KILN POST 8″ X 1-5\/8″ SQUARE\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eGillespie’s™ Kiln Furniture - MULCORITE™ is Thermal Shock Resistant and Extruded with a Free-Flowing Air Design. A specialty blend of mullite and cordierite provided thermal shock resistance and suitable to cone 10 or 11. The use of extrusion for shelves and posts provides excellent surface finishing and strict dimensional tolerances.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230721692019,"sku":"HGKP8","price":7.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/Untitled.png?v=1761942821"},{"product_id":"gillespie-kiln-shelf-full-round-20-x-5-8","title":"Gillespie Hollow Core Kiln Shelf - 20\" Full Round, 5\/8\" Thick","description":"\u003cp\u003eSemi hollow kiln shelves are easy on you back and easy on your kiln!\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eWeight Reduction\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSemi-hollow shelves are approximately 25% lighter than conventional cordierite kiln shelves . For example, a 12 x 24 x 1″ solid shelf weighs 20.75 pounds while the same size hollow core shelf weighs only 12.3 pounds . This makes them much easier on your back when loading and unloading your kiln.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eIncreased Strength\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eDespite being lighter, hollow shelves are much stronger for their weight  The I-beam structure between the hollow channels gives hollow core shelves extra strength making them warp and crack resistant  .\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eEnergy Efficiency\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSince they have less material mass, they make your firings more energy efficient because less thermal mass means it takes less energy wasted on heating your kiln furniture . This can result in real cost savings over time, especially for studios that fire frequently.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eSuperior Flatness\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe top and bottom of each shelf is ground to a perfect smooth, flat surface  , and they're resistant to warping even at high temperatures.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eTemperature Rating\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eHollow core kiln shelves are rated for cone 10 temperature and suitable for both electric and gas kilns in oxidation or reduction atmospheres, though they're not recommended for raku or wood firing.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230724411763,"sku":"HGKS20FR","price":86.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/SHELVES_CORELITE_ROUND-400x266_1024x1024_2x_33aaf3c0-124d-4e5b-9431-ee96f18c5e47.jpg?v=1791877054"},{"product_id":"gillespie-kiln-shelf-half-round-20-x-5-8","title":"Gillespie Hollow Core Kiln Shelf - 20\" Half Round, 5\/8\" Thick","description":"\u003cp\u003eSemi hollow kiln shelves are easy on you back and easy on your kiln!\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eWeight Reduction\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSemi-hollow shelves are approximately 25% lighter than conventional cordierite kiln shelves . For example, a 12 x 24 x 1″ solid shelf weighs 20.75 pounds while the same size hollow core shelf weighs only 12.3 pounds . This makes them much easier on your back when loading and unloading your kiln.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eIncreased Strength\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eDespite being lighter, hollow shelves are much stronger for their weight  The I-beam structure between the hollow channels gives hollow core shelves extra strength making them warp and crack resistant  .\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eEnergy Efficiency\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSince they have less material mass, they make your firings more energy efficient because less thermal mass means it takes less energy wasted on heating your kiln furniture . This can result in real cost savings over time, especially for studios that fire frequently.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eSuperior Flatness\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe top and bottom of each shelf is ground to a perfect smooth, flat surface  , and they're resistant to warping even at high temperatures.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eTemperature Rating\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eHollow core kiln shelves are rated for cone 10 temperature and suitable for both electric and gas kilns in oxidation or reduction atmospheres, though they're not recommended for raku or wood firing.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230727721331,"sku":"HGKS20HR","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/evans-13-Round-6-5x1-2-Half-Cord-Kiln-Shelf_2c43d4d2-5995-449b-abac-22dabb59a2df.jpg?v=1791877055"},{"product_id":"gillespie-kiln-shelf-rectangle-22-x-11-x-1","title":"Gillespie Hollow Core Kiln Shelf - 11\" x 22\" Rectangle, 1\" Thick","description":"\u003cp\u003eSemi hollow kiln shelves are easy on you back and easy on your kiln!\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eWeight Reduction\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSemi-hollow shelves are approximately 25% lighter than conventional cordierite kiln shelves . For example, a 12 x 24 x 1″ solid shelf weighs 20.75 pounds while the same size hollow core shelf weighs only 12.3 pounds . This makes them much easier on your back when loading and unloading your kiln.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eIncreased Strength\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eDespite being lighter, hollow shelves are much stronger for their weight  The I-beam structure between the hollow channels gives hollow core shelves extra strength making them warp and crack resistant  .\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eEnergy Efficiency\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSince they have less material mass, they make your firings more energy efficient because less thermal mass means it takes less energy wasted on heating your kiln furniture . This can result in real cost savings over time, especially for studios that fire frequently.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eSuperior Flatness\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe top and bottom of each shelf is ground to a perfect smooth, flat surface  , and they're resistant to warping even at high temperatures.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eTemperature Rating\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eHollow core kiln shelves are rated for cone 10 temperature and suitable for both electric and gas kilns in oxidation or reduction atmospheres, though they're not recommended for raku or wood firing.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230728409459,"sku":"HGKS22111","price":83.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/11-x-22-x-1-corelite-kiln-shelf.jpg?v=1761943969"},{"product_id":"gillespie-kiln-shelf-square-24-x-24-x-1","title":"Gillespie Hollow Core Kiln Shelf - 24\" x 24\" Square, 1\" Thick","description":"\u003cp\u003eSemi hollow kiln shelves are easy on you back and easy on your kiln!\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eWeight Reduction\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSemi-hollow shelves are approximately 25% lighter than conventional cordierite kiln shelves . For example, a 12 x 24 x 1″ solid shelf weighs 20.75 pounds while the same size hollow core shelf weighs only 12.3 pounds . This makes them much easier on your back when loading and unloading your kiln.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eIncreased Strength\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eDespite being lighter, hollow shelves are much stronger for their weight  The I-beam structure between the hollow channels gives hollow core shelves extra strength making them warp and crack resistant  .\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eEnergy Efficiency\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSince they have less material mass, they make your firings more energy efficient because less thermal mass means it takes less energy wasted on heating your kiln furniture . This can result in real cost savings over time, especially for studios that fire frequently.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eSuperior Flatness\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe top and bottom of each shelf is ground to a perfect smooth, flat surface  , and they're resistant to warping even at high temperatures.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eTemperature Rating\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eHollow core kiln shelves are rated for cone 10 temperature and suitable for both electric and gas kilns in oxidation or reduction atmospheres, though they're not recommended for raku or wood firing.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230728966515,"sku":"HGKS24241","price":194.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/Squarekilnshelf.jpg?v=1761944071"},{"product_id":"gillespie-kiln-shelf-half-round-26-x-5-8","title":"Gillespie Hollow Core Kiln Shelf - 26\" Half Round, 5\/8\" Thick","description":"\u003cp\u003eSemi hollow kiln shelves are easy on you back and easy on your kiln!\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eWeight Reduction\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSemi-hollow shelves are approximately 25% lighter than conventional cordierite kiln shelves . For example, a 12 x 24 x 1″ solid shelf weighs 20.75 pounds while the same size hollow core shelf weighs only 12.3 pounds . This makes them much easier on your back when loading and unloading your kiln.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eIncreased Strength\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eDespite being lighter, hollow shelves are much stronger for their weight  The I-beam structure between the hollow channels gives hollow core shelves extra strength making them warp and crack resistant  .\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eEnergy Efficiency\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSince they have less material mass, they make your firings more energy efficient because less thermal mass means it takes less energy wasted on heating your kiln furniture . This can result in real cost savings over time, especially for studios that fire frequently.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eSuperior Flatness\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe top and bottom of each shelf is ground to a perfect smooth, flat surface  , and they're resistant to warping even at high temperatures.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eTemperature Rating\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eHollow core kiln shelves are rated for cone 10 temperature and suitable for both electric and gas kilns in oxidation or reduction atmospheres, though they're not recommended for raku or wood firing.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230731817331,"sku":"HGKS26HR","price":87.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/CoreLiteRounds.1_2612fe3e-691b-4226-ae04-970017ed7689.jpg?v=1791877055"},{"product_id":"gillespie-kiln-shelf-half-dodecagon-26-x-1","title":"Gillespie Hollow Core Kiln Shelf - 26\" Half 12-Sided, 1\" Thick","description":"\u003cp\u003eSemi hollow kiln shelves are easy on you back and easy on your kiln!\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eWeight Reduction\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSemi-hollow shelves are approximately 25% lighter than conventional cordierite kiln shelves . For example, a 12 x 24 x 1″ solid shelf weighs 20.75 pounds while the same size hollow core shelf weighs only 12.3 pounds . This makes them much easier on your back when loading and unloading your kiln.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eIncreased Strength\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eDespite being lighter, hollow shelves are much stronger for their weight  The I-beam structure between the hollow channels gives hollow core shelves extra strength making them warp and crack resistant  .\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eEnergy Efficiency\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSince they have less material mass, they make your firings more energy efficient because less thermal mass means it takes less energy wasted on heating your kiln furniture . This can result in real cost savings over time, especially for studios that fire frequently.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eSuperior Flatness\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe top and bottom of each shelf is ground to a perfect smooth, flat surface  , and they're resistant to warping even at high temperatures.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eTemperature Rating\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eHollow core kiln shelves are rated for cone 10 temperature and suitable for both electric and gas kilns in oxidation or reduction atmospheres, though they're not recommended for raku or wood firing.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230736503155,"sku":"HGKS26HD","price":101.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/clay-king_shelf_dod-half.jpg?v=1761944409"},{"product_id":"gillespie-kiln-shelf-half-decagon-20-3-4-x-3-4","title":"Gillespie Hollow Core Kiln Shelf - 20 3\/4\" Half 10-Sided, 3\/4\" Thick","description":"\u003cp\u003eSemi hollow kiln shelves are easy on you back and easy on your kiln!\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eWeight Reduction\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSemi-hollow shelves are approximately 25% lighter than conventional cordierite kiln shelves . For example, a 12 x 24 x 1″ solid shelf weighs 20.75 pounds while the same size hollow core shelf weighs only 12.3 pounds . This makes them much easier on your back when loading and unloading your kiln.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eIncreased Strength\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eDespite being lighter, hollow shelves are much stronger for their weight  The I-beam structure between the hollow channels gives hollow core shelves extra strength making them warp and crack resistant  .\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eEnergy Efficiency\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSince they have less material mass, they make your firings more energy efficient because less thermal mass means it takes less energy wasted on heating your kiln furniture . This can result in real cost savings over time, especially for studios that fire frequently.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eSuperior Flatness\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe top and bottom of each shelf is ground to a perfect smooth, flat surface  , and they're resistant to warping even at high temperatures.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eTemperature Rating\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eHollow core kiln shelves are rated for cone 10 temperature and suitable for both electric and gas kilns in oxidation or reduction atmospheres, though they're not recommended for raku or wood firing.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230738633075,"sku":"HGKS20HD","price":50.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/half-decagon-kiln-shelf.jpg?v=1786735461"},{"product_id":"gillespie-kiln-shelf-octagon-15-x-15-x-5-8","title":"Gillespie Hollow Core Kiln Shelf - 15\" Full 8-Sided, 5\/8\" Thick","description":"\u003cp\u003eSemi hollow kiln shelves are easy on you back and easy on your kiln!\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eWeight Reduction\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSemi-hollow shelves are approximately 25% lighter than conventional cordierite kiln shelves . For example, a 12 x 24 x 1″ solid shelf weighs 20.75 pounds while the same size hollow core shelf weighs only 12.3 pounds . This makes them much easier on your back when loading and unloading your kiln.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eIncreased Strength\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eDespite being lighter, hollow shelves are much stronger for their weight  The I-beam structure between the hollow channels gives hollow core shelves extra strength making them warp and crack resistant  .\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eEnergy Efficiency\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSince they have less material mass, they make your firings more energy efficient because less thermal mass means it takes less energy wasted on heating your kiln furniture . This can result in real cost savings over time, especially for studios that fire frequently.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eSuperior Flatness\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe top and bottom of each shelf is ground to a perfect smooth, flat surface  , and they're resistant to warping even at high temperatures.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eTemperature Rating\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eHollow core kiln shelves are rated for cone 10 temperature and suitable for both electric and gas kilns in oxidation or reduction atmospheres, though they're not recommended for raku or wood firing.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62230740468083,"sku":"HGKS15OCT","price":53.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/Octagon_kiln_shelf_7b00c1bf-b3de-491b-8218-1f670b1d2b6c.jpg?v=1791877055"},{"product_id":"gillespie-hollow-core-kiln-shelf-square-24-x-12-x-1","title":"Gillespie Hollow Core Kiln Shelf - 12\" x 24\" Rectangle, 1\" Thick","description":"\u003cp\u003eSemi hollow kiln shelves are easy on you back and easy on your kiln!\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eWeight Reduction\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSemi-hollow shelves are approximately 25% lighter than conventional cordierite kiln shelves . For example, a 12 x 24 x 1″ solid shelf weighs 20.75 pounds while the same size hollow core shelf weighs only 12.3 pounds . This makes them much easier on your back when loading and unloading your kiln.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eIncreased Strength\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eDespite being lighter, hollow shelves are much stronger for their weight  The I-beam structure between the hollow channels gives hollow core shelves extra strength making them warp and crack resistant  .\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eEnergy Efficiency\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eSince they have less material mass, they make your firings more energy efficient because less thermal mass means it takes less energy wasted on heating your kiln furniture . This can result in real cost savings over time, especially for studios that fire frequently.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eSuperior Flatness\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe top and bottom of each shelf is ground to a perfect smooth, flat surface  , and they're resistant to warping even at high temperatures.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-heading text-text-100 mt-1 -mb-0.5\"\u003eTemperature Rating\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eHollow core kiln shelves are rated for cone 10 temperature and suitable for both electric and gas kilns in oxidation or reduction atmospheres, though they're not recommended for raku or wood firing.\u003c\/p\u003e","brand":"HAMMILL \u0026 GILLESPIE","offers":[{"title":"Default Title","offer_id":62913906999667,"sku":"HGKS24121","price":60.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/corelite-rectangle-kiln-shelf.jpg?v=1776363227"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/collections\/Screenshot_8_14ba7f67-a607-47a9-83de-300828afb93e.png?v=1786637896","url":"https:\/\/www.sheffield-pottery.live\/collections\/hamill-gillespie-shelves-and-posts.oembed","provider":"Sheffield Pottery Inc.","version":"1.0","type":"link"}