{"product_id":"basalt-porcelain-edging-setts-20-mm","title":"Basalt Porcelain Edging Setts 20 mm (1080 Pcs, 21.6 SQM Pack)","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What are Basalt Porcelain Cobblestones used for?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"They are ideal for creating modern cobble driveways, pathways, patio borders, and structural garden edges. They frame outdoor paving cleanly and prevent lawn turf, soil, or gravel from washing onto your clean stone surfaces.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are Basalt Porcelain Cobblestones frost-proof?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Engineered from high-density vitrified porcelain, these 200x100x20mm setts feature near-zero water absorption, stopping moisture from freezing and cracking the tile core during winter months.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do dark basalt porcelain cobblestones need to be sealed?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. Porcelain is naturally non-porous and resists oil stains, moss, lichen, and dirt penetration from day one, completely eliminating the need for sealant treatments.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these dark cobblestones slippery in wet weather?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. Each cobblestone is crafted with a textured, anti-slip surface designed to deliver reliable grip and safe foot traction during wet or freezing weather.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do you clean Basalt Porcelain Cobblestones?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Cleaning is quick and hassle-free. Because debris cannot penetrate the vitrified surface, a simple sweep and an occasional rinse with soapy water or a garden hose will keep them looking like new.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003ch1\u003eBasalt Porcelain Cobblestone 200x100x20mm | Charcoal \u0026amp; Dark Grey Setts\u003c\/h1\u003e\n\n\u003cp\u003eBring bold architectural character and crisp definition to your outdoor space with \u003cstrong\u003eBasalt Porcelain Cobblestones (200x100x20mm)\u003c\/strong\u003e. Supplied by \u003cstrong\u003ePaving and Slabs Ltd\u003c\/strong\u003e, these deep charcoal-grey setts are perfect for building durable pathways, driveways, and high-impact edging borders around patios and garden beds.\u003c\/p\u003e\n\n\u003cp\u003eInspired by the rich, deep tones of volcanic basalt stone, these 200x100mm cobble setts offer a dramatic aesthetic paired with the superior strength of vitrified porcelain. Designed to withstand heavy traffic and harsh weather, they resist oil stains, organic algae growth, and moisture absorption, providing an ultra-durable boundary that maintains its striking dark finish year-round.\u003c\/p\u003e\n\n\u003cdiv style=\"background-color: #fafafa; padding: 20px; border-radius: 8px; margin: 20px 0; border: 1px solid #e3e3e3;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #111;\"\u003eBasalt Cobblestone Highlights\u003c\/h3\u003e\n\u003cul style=\"column-count: 2; list-style-position: inside; margin-bottom: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolcanic Basalt Aesthetic:\u003c\/strong\u003e Deep, charcoal-black tones with subtle stone grain texture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitrified Core Strength:\u003c\/strong\u003e 20mm frost-proof porcelain built for driveways and high-footfall areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Slip Surface:\u003c\/strong\u003e Micro-textured finish engineered for outstanding wet-weather grip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Maintenance:\u003c\/strong\u003e Non-porous structure requires no chemical sealing at any stage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003ePractical Landscape Applications\u003c\/h2\u003e\n\u003cp\u003eBasalt Porcelain 200x100x20mm cobblestones offer both structural boundary control and modern visual contrast for residential and commercial landscapes. Key uses include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFraming patio borders, outdoor dining areas, and swimming pool perimeters.\u003c\/li\u003e\n\u003cli\u003eConstructing contemporary cobble pathways, courtyards, and garden walkways.\u003c\/li\u003e\n\u003cli\u003eLaying robust driveway aprons, entry borders, and rumble strips.\u003c\/li\u003e\n\u003cli\u003eCreating sharp dividers between lawn turf, flower beds, and paved surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCreative Design Pairings \u0026amp; Material Coordination\u003c\/h2\u003e\n\u003cp\u003eThe rich charcoal palette of Basalt Porcelain allows for dramatic design combinations across our product lines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern Dark Monolith:\u003c\/strong\u003e Pair seamlessly with matching dark slabs like \u003ca href=\"https:\/\/pavingandslabs.co.uk\/products\/manchester-midnight-porcelain-paving-slabs-900-600\"\u003eManchester Midnight Porcelain\u003c\/a\u003e for a sleek, contemporary patio scheme.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStriking High Contrast:\u003c\/strong\u003e Frame light-coloured paving such as \u003ca href=\"https:\/\/pavingandslabs.co.uk\/products\/mountain-white-paving-slabs\"\u003eMountain White Porcelain Slabs\u003c\/a\u003e to create crisp, dramatic border outlines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced Mid-Tones:\u003c\/strong\u003e Border popular grey stones like \u003ca href=\"https:\/\/pavingandslabs.co.uk\/products\/kandla-grey-porcelain-paving-slabs\"\u003eKandla Grey Porcelain Paving\u003c\/a\u003e to add depth and structure to mid-tone layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural Stone Fusion:\u003c\/strong\u003e Accentuate traditional schemes by pairing alongside our natural \u003ca href=\"https:\/\/pavingandslabs.co.uk\/collections\/indian-sandstone\"\u003eIndian Sandstone Collection\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDiscover our full range of landscaping solutions across our main \u003ca href=\"https:\/\/pavingandslabs.co.uk\/collections\/paving-slabs\"\u003ePaving Slabs\u003c\/a\u003e, \u003ca href=\"https:\/\/pavingandslabs.co.uk\/collections\/patio-slabs\"\u003ePatio Slabs\u003c\/a\u003e, and \u003ca href=\"https:\/\/pavingandslabs.co.uk\/collections\/porcelain-paving\"\u003ePorcelain Paving\u003c\/a\u003e ranges. For expert styling advice, read our article on the \u003ca href=\"https:\/\/pavingandslabs.co.uk\/blogs\/latest-news\/best-paving-slabs-for-patios-and-gardens-in-2025-stylish-yet-affordable-choices\"\u003ebest paving slabs for patios and gardens\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eProfessional Installation Guidelines\u003c\/h2\u003e\n\u003cp\u003eTo keep your cobblestone layout level and structurally secure, lay these 20mm porcelain setts on a \u003cstrong\u003efull continuous wet mortar bed\u003c\/strong\u003e over a well-compacted aggregate sub-base. Avoid spot-bedding (dot-and-dab), as hollow voids underneath leave the setts unsupported and prone to cracking under vehicle or foot traffic. Because vitrified porcelain is non-porous, you must apply a coat of high-strength porcelain bonding slurry primer to the reverse side of each sett immediately before placing it onto the wet bed to ensure a permanent bond.\u003c\/p\u003e\n\n\u003cdiv style=\"border-top: 1px solid #ddd; margin-top: 30px; padding-top: 20px;\"\u003e\n\u003ch3\u003eTechnical Data Matrix \u0026amp; Structural Specs\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: bold; background-color: #fafafa; width: 30%;\"\u003eProduct Format\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eBasalt Porcelain Cobblestone \/ Edging Sett (200 x 100 x 20mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: bold; background-color: #fafafa;\"\u003eCore Composition\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eHigh-Density Vitrified Exterior Grade Porcelain Matrix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: bold; background-color: #fafafa;\"\u003eCalibration Type\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eFactory-Calibrated (20mm Uniform Thickness) for Neat Jointing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: bold; background-color: #fafafa;\"\u003ePorosity Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eUltra-Low Absorption (\u0026lt;0.5%, Completely Frost-Proof)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; font-weight: bold; background-color: #fafafa;\"\u003eSurface Finish\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eTextured Slip-Resistant Outdoor Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-section\"\u003e\n  \u003ch3\u003eWhat are Basalt Porcelain Cobblestones used for?\u003c\/h3\u003e\n  \u003cp\u003eThey are ideal for creating modern cobble driveways, pathways, patio borders, and structural garden edges. They frame outdoor paving cleanly and prevent lawn turf, soil, or gravel from washing onto your clean stone surfaces.\u003c\/p\u003e\n\n  \u003ch3\u003eAre Basalt Porcelain Cobblestones frost-proof?\u003c\/h3\u003e\n  \u003cp\u003eYes. Engineered from high-density vitrified porcelain, these 200x100x20mm setts feature near-zero water absorption, stopping moisture from freezing and cracking the tile core during winter months.\u003c\/p\u003e\n\n  \u003ch3\u003eDo dark basalt porcelain cobblestones need to be sealed?\u003c\/h3\u003e\n  \u003cp\u003eNo. Porcelain is naturally non-porous and resists oil stains, moss, lichen, and dirt penetration from day one, completely eliminating the need for sealant treatments.\u003c\/p\u003e\n\n  \u003ch3\u003eAre these dark cobblestones slippery in wet weather?\u003c\/h3\u003e\n  \u003cp\u003eNo. Each cobblestone is crafted with a textured, anti-slip surface designed to deliver reliable grip and safe foot traction during wet or freezing weather.\u003c\/p\u003e\n\n  \u003ch3\u003eHow do you clean Basalt Porcelain Cobblestones?\u003c\/h3\u003e\n  \u003cp\u003eCleaning is quick and hassle-free. Because debris cannot penetrate the vitrified surface, a simple sweep and an occasional rinse with soapy water or a garden hose will keep them looking like new.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Paving and Slabs","offers":[{"title":"Default Title","offer_id":48687999811838,"sku":null,"price":749.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/3647\/5134\/files\/basalt-porcelain-cobblestones.jpg?v=1785917553","url":"https:\/\/pavingandslabs.co.uk\/products\/basalt-porcelain-edging-setts-20-mm","provider":"Paving and Slabs","version":"1.0","type":"link"}