{"id":3050,"date":"2026-06-01T10:42:53","date_gmt":"2026-06-01T02:42:53","guid":{"rendered":"https:\/\/primestoneworks.com\/product\/custom-stone-staircase-curved-components\/"},"modified":"2026-06-14T21:45:59","modified_gmt":"2026-06-14T13:45:59","slug":"custom-stone-staircase-curved-components","status":"publish","type":"product","link":"https:\/\/primestoneworks.com\/it\/product\/custom-stone-staircase-curved-components\/","title":{"rendered":"Custom Stone Staircase Curved Components"},"content":{"rendered":"<p>Our curved stone stair components are engineered for architectural precision, producing sweeping curved steps, spiral staircase elements, and circular stair wells that define grand staircases. Each piece is CNC-cut from natural stone blocks to exact radius specifications.<\/p>\n<p><strong>Product Range:<\/strong><\/p>\n<ul>\n<li>Curved Steps \u2014 single-piece curved treads with any radius<\/li>\n<li>Spiral Stair Cores \u2014 central stone columns for spiral installations<\/li>\n<li>Landing Platforms \u2014 curved and irregular-shaped landings<\/li>\n<li>Winder Steps \u2014 pie-shaped treads for curved transitions<\/li>\n<li>Curved Stringers \u2014 supporting structural elements<\/li>\n<li>Baluster Rows \u2014 matching stone balusters for curved runs<\/li>\n<\/ul>\n<p><strong>Materials:<\/strong><\/p>\n<ul>\n<li>Marble \u2014 polished finish for grand interior staircases<\/li>\n<li>Granite \u2014 recommended for high-traffic and exterior stairs<\/li>\n<li>Travertine \u2014 warm tones for residential grand stairs<\/li>\n<li>Limestone \u2014 classic choice for historical restorations<\/li>\n<\/ul>\n<p><strong>Manufacturing Process:<\/strong><\/p>\n<ul>\n<li>3D scanning or CAD drawings for precise radius calculation<\/li>\n<li>CNC cutting for accurate curved profiles<\/li>\n<li>Multi-stage polishing for consistent finish on curved surfaces<\/li>\n<li>Anti-slip surface treatment options (grooved, sandblasted)<\/li>\n<li>Pre-fitted numbered pieces for fast installation<\/li>\n<\/ul>\n<p><strong>Specifications:<\/strong><\/p>\n<ul>\n<li>Minimum radius: 50cm (inner edge)<\/li>\n<li>Maximum radius: unlimited (segmented construction)<\/li>\n<li>Tread depths: 28cm to 45cm+<\/li>\n<li>Thickness: 3cm to 6cm depending on load requirements<\/li>\n<li>Custom bullnose, eased, or square tread front profiles<\/li>\n<\/ul>\n<p><strong>Applications:<\/strong> Grand hotel staircases, luxury residence entryways, public building main stairs, outdoor garden terraces, and historical restoration projects.<\/p>\n<p><strong>MOQ:<\/strong> 1 step. Full staircase sets recommended. Template and site measurement services available for complex projects.<\/p>","protected":false},"excerpt":{"rendered":"<p>Custom curved stone stair components \u2014 spiral stairs, curved steps, and circular staircase elements. Precision-cut curved stone for grand staircases.<\/p>","protected":false},"featured_media":3043,"template":"","meta":[],"product_brand":[],"product_cat":[69],"product_tag":[],"class_list":["post-3050","product","type-product","status-publish","has-post-thumbnail","product_cat-custom-stone-fabrication","first","instock","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Custom Stone Staircase Curved Components - Prime Stone Works<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/primestoneworks.com\/it\/product\/custom-stone-staircase-curved-components\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Custom Stone Staircase Curved Components - Prime Stone Works\" \/>\n<meta property=\"og:description\" content=\"Custom curved stone stair components \u2014 spiral stairs, curved steps, and circular staircase elements. 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