{"product_id":"duquesa-ultra-natural-spanish-slate-half-roof-tile-blue-black-500mm-x-250mm","title":"Duquesa Ultra Natural Spanish Slate \u0026 Half Roof Tile Blue Black - 500mm x 375mm","description":"\u003cp\u003eThe Duquesa Ultra Natural Spanish Slate \u0026amp; Half Roof Tile 500mm x 375mm is designed to be used alongside standard 500mm x 250mm Duquesa slate roof tiles, helping maintain correct bonding and alignment across a pitched roof.\u003c\/p\u003e\n\u003cp\u003eThis slate and a half tile is essential at verges, roof edges, and abutments where full slates cannot be used. It reduces the need for cutting smaller pieces, resulting in a neater finish and improved weather resistance across the roofline.\u003c\/p\u003e\n\u003cp\u003eQuarried from the La Baña region in Northern Spain, this premium Hebra natural slate features a distinctive riven surface and textured edges, giving roofs a more traditional and characterful appearance. The blue black finish, with subtle vertical markings and a slight sheen, adds depth and visual appeal.\u003c\/p\u003e\n\u003cp\u003eManufactured to approximately 5–6mm thickness, this natural Spanish slate tile offers excellent durability and achieves a W1 S1 T1 rating, ensuring strong resistance to water absorption, thermal movement, and harsh weather conditions. It is a key component for a professional and long-lasting natural slate roof installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned to complement 500mm x 250mm Duquesa slate tiles\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSlate and a half format ensures correct roof bonding\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eReduces cutting and improves finish at verges and edges\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDistinctive riven texture for a traditional slate appearance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBlue black colour with natural markings and subtle sheen\u003c\/li\u003e\n\u003cli\u003eW1 S1 T1 rated for durability and weather resistance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eApproximate thickness 5 to 6mm for added strength\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIdeal for professional natural slate roof installations\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ISS","offers":[{"title":"Default Title","offer_id":52598577889627,"sku":"DUQ-ULTRA-50375","price":9.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/7019\/1195\/files\/duquesa-ultra-natural-spanish-slate-half-roof-tile-blue-black-500mm-x-375mm-6614525.png?v=1773836410","url":"https:\/\/trustedbuildingsupplies.co.uk\/products\/duquesa-ultra-natural-spanish-slate-half-roof-tile-blue-black-500mm-x-250mm","provider":"Trusted Building Supplies","version":"1.0","type":"link"}