{"product_id":"anthracite-dark-porcelain-edging-setts-20-mm","title":"Anthracite Dark Porcelain Edging Setts 20 mm (1080 Pcs, 21.6 SQM Pack)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003eAnthracite Dark Porcelain Edging Setts 20mm | Sleek Patio \u0026amp; Garden Borders\u003c\/h1\u003e\n\u003cp\u003eGive your outdoor landscaping crisp definition and modern sophistication with \u003cstrong\u003eAnthracite Dark Porcelain Edging Setts 20mm\u003c\/strong\u003e. Available from \u003cstrong\u003ePaving and Slabs Ltd\u003c\/strong\u003e, these premium dark grey setts are ideal for framing patio perimeters, defining pathways, and creating sharp structural borders between lawns, garden beds, and paved areas.\u003c\/p\u003e\n\u003cp\u003eInspired by the rich, moody tones of natural dark slate and granite, these 20mm edging setts pair a striking contemporary aesthetic with the advanced strength of vitrified porcelain. Featuring a high-density, non-porous core, they resist deep oil stains, damp moisture entry, and green algae growth, providing a long-lasting, low-maintenance border built for the elements.\u003c\/p\u003e\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;\"\u003eAnthracite Dark Sett Highlights\u003c\/h3\u003e\n\u003cul style=\"column-count: 2; list-style-position: inside; margin-bottom: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Anthracite Palette:\u003c\/strong\u003e Modern charcoal-grey shade with fine stone grain detail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm Vitrified Strength:\u003c\/strong\u003e Frost-proof composition resists freeze-thaw cracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Slip Texture:\u003c\/strong\u003e Micro-textured finish ensures secure underfoot grip when wet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Maintenance:\u003c\/strong\u003e Non-porous surface requires no chemical sealing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePractical Landscape Applications\u003c\/h2\u003e\n\u003cp\u003eAnthracite Dark 20mm edging setts serve as functional design features that keep surrounding soil, turf, or loose aggregate contained while adding strong geometric lines. Key applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFraming patio boundaries, outdoor dining terraces, and raised garden features.\u003c\/li\u003e\n\u003cli\u003eDefining clean border lines along garden paths, walkways, and driveway aprons.\u003c\/li\u003e\n\u003cli\u003eConstructing uniform step risers, drainage channels, and planter caps.\u003c\/li\u003e\n\u003cli\u003eCreating sharp zoning dividers between grass lawns and hardstanding paved areas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCreative Design Pairings \u0026amp; Material Coordination\u003c\/h2\u003e\n\u003cp\u003eThe deep, versatile tones of Anthracite Dark setts create effortless coordination options across our main store collections:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Dark Aesthetic:\u003c\/strong\u003e Pair alongside dark paving options such as \u003ca href=\"https:\/\/pavingandslabs.co.uk\/products\/manchester-midnight-porcelain-paving-slabs-900-600\"\u003eManchester Midnight Porcelain Slabs\u003c\/a\u003e for a cohesive, modern look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Contrast Framing:\u003c\/strong\u003e Accentuate light-toned layouts by framing bright options like \u003ca href=\"https:\/\/pavingandslabs.co.uk\/products\/mountain-white-paving-slabs\"\u003eMountain White Porcelain\u003c\/a\u003e with a bold dark perimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced Mid-Tones:\u003c\/strong\u003e Add depth and structure to soft grey paving schemes such as \u003ca href=\"https:\/\/pavingandslabs.co.uk\/products\/kandla-grey-porcelain-paving-slabs\"\u003eKandla Grey Porcelain Paving\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural Stone Contrast:\u003c\/strong\u003e Complement natural stone features by pairing with items from our \u003ca href=\"https:\/\/pavingandslabs.co.uk\/collections\/indian-sandstone\"\u003eIndian Sandstone Collection\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExplore our complete 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 categories. For design trend ideas, see our expert review of 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\u003ch2\u003eProfessional Installation Guidelines\u003c\/h2\u003e\n\u003cp\u003eTo ensure your garden borders remain stable and level over time, these 20mm porcelain edging setts must be bedded into a \u003cstrong\u003efull continuous wet mortar bed\u003c\/strong\u003e over a well-compacted sub-base. Avoid spot-bedding (dot-and-dab), as leaving hollow air voids beneath the pieces leaves them unsupported and vulnerable to shifting or cracking under load. Because vitrified porcelain is virtually non-porous, a high-strength porcelain bonding slurry primer must be thoroughly applied to the reverse side of every sett immediately before laying to ensure a permanent bond with the cement bed.\u003c\/p\u003e\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;\"\u003ePrecision-Cut Rectilinear Porcelain Edging Sett (20mm Depth)\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;\"\u003eFully Vitrified High-Density Outdoor 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 Thickness for Consistent, Clean Joint Lines\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 Texture\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\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-section\"\u003e\n\u003ch3\u003eWhat are Anthracite Dark Porcelain Edging Setts used for?\u003c\/h3\u003e\n\u003cp\u003eThey are designed to create structural perimeters, decorative border channels, and clean edge containment around patios, pathways, lawns, and driveways. They lock the edges of your paving secure and prevent soil or turf from encroaching on your clean paved layout.\u003c\/p\u003e\n\u003ch3\u003eAre these 20mm anthracite porcelain edging setts frost-proof?\u003c\/h3\u003e\n\u003cp\u003eYes. Made from dense, high-grade vitrified porcelain, these 20mm setts absorb virtually no water, completely stopping freeze-thaw expansion and preventing winter cracking or structural damage.\u003c\/p\u003e\n\u003ch3\u003eDo anthracite dark edging setts require sealing?\u003c\/h3\u003e\n\u003cp\u003eNo. Vitrified porcelain is naturally non-porous. It inherently repels dirt, algae, moss, and oil stains, eliminating the need for regular sealers or chemical treatments.\u003c\/p\u003e\n\u003ch3\u003eAre anthracite porcelain borders slippery when wet?\u003c\/h3\u003e\n\u003cp\u003eNo. Engineered with a specialized outdoor anti-slip surface texture, these edging setts deliver high traction and secure underfoot grip during wet autumn and winter conditions.\u003c\/p\u003e\n\u003ch3\u003eHow do you clean dark anthracite border setts?\u003c\/h3\u003e\n\u003cp\u003eMaintenance is simple and low-effort. Because dirt and grime cannot penetrate the vitrified surface, an occasional sweep and a rinse with a garden hose or mild soap solution keeps them looking pristine.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Paving and Slabs","offers":[{"title":"Default Title","offer_id":48688000270590,"sku":null,"price":749.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/3647\/5134\/files\/anthracite-dark-cobblestones-porcelain.jpg?v=1785917726","url":"https:\/\/pavingandslabs.co.uk\/products\/anthracite-dark-porcelain-edging-setts-20-mm","provider":"Paving and Slabs","version":"1.0","type":"link"}