{"product_id":"grey-limestone-hearth-slab","title":"Grey Limestone Hearth Slab","description":"\u003cp\u003eDirect-from-quarry \u003cstrong\u003edove grey limestone hearth slabs\u003c\/strong\u003e, stocked in three sizes with a machine-sawn edge. Calibrated to a 20–24 mm nominal thickness with a tactile, fine-textured face and sophisticated mid-to-light grey tones. Part of \u003ca href=\"\/collections\/grey-limestone-hearths-20mm\"\u003eour Grey Limestone range\u003c\/a\u003e and \u003ca href=\"\/collections\/natural-limestone-hearth-slabs-black-grey\"\u003eour Limestone Hearths range\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eStock Sizes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e1200 × 380 × 20mm\u003c\/b\u003e — front hearth section, approx. 26 kg per slab. Pairs with either chamber section below to make a T-shape hearth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e900 × 600 × 20mm\u003c\/b\u003e — chamber section or standalone hearth, approx. 30 kg per slab.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e900 × 450 × 20mm\u003c\/b\u003e — chamber section, approx. 23 kg per slab.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eHighlights\u003c\/strong\u003e\u003c\/h2\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 Smooth natural texture with a modern straight-cut, sawn edge profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMachine-Sawn Edges:\u003c\/b\u003e Precision-cut 4-side sawn edges provide crisp, clean lines for seamless jointing and a sharp, architectural frame around your stove or insert fire.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e14-Day Crack Guarantee:\u003c\/b\u003e Fit your hearth within 14 days of delivery. If a slab cracks in that time, we replace it free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFree Photo Service:\u003c\/b\u003e A free photo of your exact slab before dispatch whenever sealing or cutting 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. \u003ca href=\"\/products\/slate-and-limestone-samples\"\u003e\u003cstrong\u003eOrder your sample\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 machine-sawn edges, this high-grade grey limestone delivers exceptional structural density and thermal performance. Purpose-designed as the front or chamber section of a T-shape hearth set, or as a standalone hearth in its own right, for luxury fireplace hearths, stove pads, window sills, and interior architectural steps where you need clean geometry and reliable durability. Available nationwide as single slabs, bespoke cut-to-size pieces, or \u003ca href=\"\/products\/grey-limestone-hearth-slab-full-crate\"\u003efull wholesale crates\u003c\/a\u003e for trade buyers across the UK.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 1200 × 380 mm, 900 × 600 mm or 900 × 450 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 (1200 × 380), 30 kg (900 × 600), 23 kg (900 × 450) 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 4-side machine sawn cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eColour Profile:\u003c\/b\u003e Sophisticated mid-to-light grey tones with subtle natural variation and character\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\u003ch2\u003e\u003cstrong\u003eCrack Guarantee\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFit your hearth within 14 days of delivery. If a slab cracks in that time, we replace it free.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCut to Size\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eNeed a size we don't stock? \u003ca href=\"\/products\/limestone-hearth-cut-to-size?finish=grey\"\u003eLimestone Cut to Size\u003c\/a\u003e cuts a front hearth, a chamber, or both for a T-shape, each from its own slab. Every piece is cut, edge-dressed, cleaned and sealed. From £155 including the slab. Standard 14 days or Priority 7 days.\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.\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.\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":"1200 × 380 \/ 20mm","offer_id":64538052788601,"sku":"SS-DG1238-S","price":70.0,"currency_code":"GBP","in_stock":true},{"title":"900 × 600 \/ 20mm","offer_id":64538052821369,"sku":"SS-DG9060-S","price":30.0,"currency_code":"GBP","in_stock":true},{"title":"900 × 450 \/ 20mm","offer_id":64538052854137,"sku":"SS-DG945-S","price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0400\/9866\/0501\/files\/DG-9060-FRONTON.jpg?v=1785776933","url":"https:\/\/blueskystone.com\/products\/grey-limestone-hearth-slab","provider":"Bluesky Stone","version":"1.0","type":"link"}