{"product_id":"black-limestone-hearth-slab-900x600-hand-cut-20mm","title":"Black Limestone Hearth Slab | 900×600×20mm — Hand-Cut Edge","description":"\u003cp\u003eDirect-from-quarry \u003cstrong\u003eBlack Limestone (900 x 600 x 20 mm)\u003c\/strong\u003e with a hand-cut edge for a rustic, traditional finish. \u003cmeta charset=\"utf-8\"\u003eEngineered with a calibrated 20–24 mm nominal thickness and a tactile fine-textured surface. Part of \u003ca href=\"\/collections\/black-limestone-hearths-20mm\"\u003eour Black Limestone range\u003c\/a\u003e and \u003ca href=\"\/collections\/limestone-hearths\"\u003eour Limestone Hearths range\u003c\/a\u003e. \u003cmeta charset=\"utf-8\"\u003ePrefer a clean, precise edge instead? See the \u003ca href=\"\/products\/black-limestone-hearth-slab-900x600-20mm\"\u003eSawn Edge version\u003c\/a\u003e.\u003cbr\u003e \u003cbr\u003e\u003cstrong\u003eHighlights\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCalibrated 20–24 mm Nominal Thickness:\u003c\/b\u003e Precision-calibrated to ensure a flat, consistent bed height for quick, seamless installation and level bedding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTextured Sawn Finish (Tactile Orange Peel Feel):\u003c\/b\u003e Feature-grained with a subtle, tactile orange peel texture that balances contemporary minimalism with anti-slip grip and natural character.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHand-Cut Edges (All sides):\u003c\/b\u003e \u003cmeta charset=\"utf-8\"\u003eFeatures traditional hand-cut edges on all sides. The remaining long side is machine-sawn to ensure a seamless, tight joint against a chamber section, brickwork, or wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e14-Day Crack Guarantee:\u003c\/b\u003e If your slab cracks within 14 days of delivery (provided it is installed within that same 14-day window), we'll replace it completely free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFree Photo Service:\u003c\/b\u003e Every premium-grade order includes a free dispatch photo of your exact slab sent straight to you before delivery. Standard-grade slabs also include this service whenever a custom cutting or finishing service is added.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOrder a sample:\u003c\/b\u003e Choose up to 2 free samples for a flat £5 delivery fee. See the texture and quality in person before committing to a full slab. \u003ca href=\"\/products\/slate-and-limestone-samples\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003eOrder your sample\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEngineered with a calibrated 20–24 mm nominal thickness, a distinctive fine-textured surface, and hand-cut edges on all sides, this high-grade black limestone delivers exceptional structural density and thermal performance. Exhibiting an attractive, warm charcoal-grey tone in its raw state, this low-porosity limestone darkens into a deep, velvety jet-black when treated with an impregnating sealer or colour intensifier. Purpose-designed for luxury fireplace hearths, stove pads, window sills, coping, and interior architectural steps where you need clean geometry and reliable durability. Available nationwide as single slabs, bespoke cut-to-size pieces, or full wholesale crates for trade buyers across the UK.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv dir=\"ltr\" id=\"model-response-message-contentr_150ab416c0c064c0\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 900 x 600 mm (+\/- 2mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThickness:\u003c\/b\u003e 20–24 mm nominal (Calibrated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e Approx. 26 kg per slab\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSurface Finish:\u003c\/b\u003e Tactile, matte fine-textured (\"orange peel\" feel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEdge Finish:\u003c\/b\u003e Hand-cut (all sides)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eColour Profile:\u003c\/b\u003e Raw state Charcoal Grey; darkens to a deep, near jet-black when sealed\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexural Strength:\u003c\/b\u003e 24.69 MPa (56 Freeze-Thaw Cycles)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWater Absorption:\u003c\/b\u003e 0.04% (Ultra-Low Porosity \u0026amp; Exceptional Frost Resistance)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSlip Resistance:\u003c\/b\u003e PTV 73 (Dry) \/ PTV 57 (Wet)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eCrack Guarantee\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eIf your slab cracks within 14 days of delivery (provided it is installed within that same 14-day window), we'll replace it completely free.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFree Photo Service\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eEvery premium-grade order includes a free dispatch photo of your exact slab sent straight to you before delivery. Standard-grade slabs also include this service whenever a custom cutting or finishing service is added.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIn-House Workshop Finishing \u0026amp; Fabrication Packages\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eNeed custom cutouts, tailored edge profiles, or surface pre-treatments? Select from our workshop options before dispatch:\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCutting Only\u003c\/strong\u003e\u003cbr\u003e• \u003cstrong\u003eFactory Straight Cut (C-01 \/ C-02):\u003c\/strong\u003e Laser-guided precision sawn (+\/- 1.50mm) with edge matching.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePremium Signature Finish\u003c\/strong\u003e\u003cbr\u003e• \u003cstrong\u003eBespoke Profile Match (S-01):\u003c\/strong\u003e Custom edge reprofiling (pencil round, full bullnose) matching the sawn surface finish.\u003cbr\u003e• \u003cstrong\u003eMulti-Stage Face \u0026amp; Edge Honing (S-02):\u003c\/strong\u003e High-grit diamond pad refinement to restore refined edges after custom workshop cuts.\u003cbr\u003e• \u003cstrong\u003eK30 Chemical Deep Clean (S-03):\u003c\/strong\u003e Extracts micro-slurry and fine dust trapped during processing to ensure max sealer penetration.\u003cbr\u003e• \u003cstrong\u003eStovax Dressing Oil \/ Satin Sealer Treatment (S-04):\u003c\/strong\u003e Professional-grade pre-sealing that locks in the rich, dark finish and provides instant oil and water stain protection.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSee how our \u003ca href=\"\/pages\/workshop\" title=\"Cutting, finishing, and sealing services\"\u003ecutting, finishing, and sealing services\u003c\/a\u003e work for slate and limestone.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eOrdering, Wholesale Crates \u0026amp; Nationwide Delivery\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Quantities:\u003c\/strong\u003e Buy individual slabs for precise cut-to-size hearth work, or full crates for trade project savings across the UK.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNationwide Logistics:\u003c\/strong\u003e Direct-to-site delivery via 3rd-party nationwide pallet networks. Offloaded by tail lift and delivered kerbside.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomer Quotes:\u003c\/strong\u003e Call \u003cstrong\u003e01908 46 46 56\u003c\/strong\u003e or email drawings to \u003cstrong\u003esales@blueskystone.com\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bluesky Stone Direct","offers":[{"title":"Single slab","offer_id":63968131154297,"sku":"SS-BL9060-HC","price":28.0,"currency_code":"GBP","in_stock":true},{"title":"Full crate (30 slabs)","offer_id":63968131187065,"sku":"FC-BL9060-HC","price":672.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0400\/9866\/0501\/files\/BL-1238-HC-FRONT.jpg?v=1785776295","url":"https:\/\/blueskystone.com\/products\/black-limestone-hearth-slab-900x600-hand-cut-20mm","provider":"Bluesky Stone","version":"1.0","type":"link"}