{"product_id":"9x18-xl-rockmount-sierra-white-corner","title":"9x18 XL Rockmount Sierra White Corner","description":"\u003cp\u003e\u003cspan\u003e9x18 XL Rockmount Sierra White Corners | Stacked Stone L-Shaped Trim\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMeta Description:\u003c\/span\u003e\u003cspan\u003e Complete your project with Rockmount Sierra White 9x18 XL Corners. Pre-cut L-shaped quartzite for seamless stacked stone transitions. Easy calculation guide inside.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eH1 Heading:\u003c\/span\u003e\u003cspan\u003e Rockmount Sierra White 9 x 18 XL Stacked Stone Corners\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAchieve a professional, high-end finish with \u003c\/span\u003e\u003cspan\u003eRockmount Sierra White Corners\u003c\/span\u003e\u003cspan\u003e. These are the essential \"L-shaped\" finishing pieces for our 9\" x 24\" XL ledger panel system. Designed to eliminate the appearance of raw, exposed edges, these corners provide a seamless and continuous transition from one wall face to the next.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSeamless Natural Beauty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from genuine natural quartzite, these corner pieces perfectly match the radiant white tones and crystalline texture of the Sierra White collection. The interlocking design ensures that your pillars, fireplace surrounds, and exterior walls look like solid, hand-built stone masonry rather than a panel system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eXL Format for Modern Design\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 9-inch height matches our XL ledger panels, allowing for a faster installation and a modern, expansive aesthetic. These corners are engineered for structural durability, making them suitable for both interior focal points and rugged exterior cladding.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey Features \u0026amp; Benefits\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003eAuthentic Quartzite:\u003c\/span\u003e\u003cspan\u003e High-strength natural stone with a sparkling white palette and exceptional weather resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003ePre-Cut L-Shape:\u003c\/span\u003e\u003cspan\u003e Eliminates the need for difficult miter cuts on-site, saving time and ensuring a cleaner finish.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003eInterlocking Design:\u003c\/span\u003e\u003cspan\u003e Pieces fit together snugly to hide vertical seams and create a natural stacked stone look.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003eVersatile Application:\u003c\/span\u003e\u003cspan\u003e Ideal for finishing residential fireplaces, outdoor kitchen islands, and commercial retaining walls.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003eVertical Coverage:\u003c\/span\u003e\u003cspan\u003e Each individual piece covers \u003c\/span\u003e\u003cspan\u003e0.75 linear vertical feet\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHow do I make the corners look natural during installation?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \"Pro Secret\" is alternating heights. When stacking your corners, flip each piece 180° every other row. This staggers the vertical seams so you don't end up with a visible vertical line running up the edge of your wall.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHow many corner pieces do I need for my project?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTo calculate your needs, measure the total vertical height of the corner in feet and divide by 0.75. For example, a standard 8-foot tall wall or pillar would require approximately 11 pieces (8 \/ 0.75 = 10.6).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShould I start with the corner or the flat panels?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlways start with the corner pieces. Once your corner is perfectly level and set, you can work your 9x24 XL flat panels outward from that point. This ensures the most visible part of the wall is perfectly aligned.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhat adhesive is recommended for these quartzite corners?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUse a high-quality, \u003c\/span\u003e\u003cspan\u003ewhite polymer-modified thin-set\u003c\/span\u003e\u003cspan\u003e. Using white mortar is critical for Sierra White stone to prevent any dark \"shadowing\" or color bleed at the joints.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCan these corners be used outdoors?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. Quartzite is an extremely dense and durable stone that handles freeze-thaw cycles and UV exposure beautifully, making it perfect for exterior support beams and outdoor cladding.\u003c\/span\u003e\u003cspan\u003e \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003cspan\u003e Natural Quartzite\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003cspan\u003e 9\" (Height) x 6\" (Short Side) x 18\" (Long Side)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003eDesign:\u003c\/span\u003e\u003cspan\u003e Interlocking L-Shaped Corner\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003eCoverage:\u003c\/span\u003e\u003cspan\u003e 0.75 Linear Vertical Feet per piece\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003eCompatibility:\u003c\/span\u003e\u003cspan\u003e Specifically matched for 9x24 XL Sierra White Ledger Panels\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003cspan\u003e Interior \u0026amp; Exterior Corners\u003c\/span\u003e\u003c\/p\u003e","brand":"MS International","offers":[{"title":"Default Title","offer_id":47708952133891,"sku":"LPNLMSIEWHI918COR","price":71.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0792\/7254\/2467\/files\/IMG_0212.jpg?v=1770231678","url":"https:\/\/americanflooringdepot.com\/products\/9x18-xl-rockmount-sierra-white-corner","provider":"American Flooring Depot","version":"1.0","type":"link"}