{"product_id":"msi-6x18-cosmic-gray-stacked-stone-corner-piece","title":"MSI 6x18 Cosmic Gray Stacked Stone Corner Piece","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cul data-path-to-node=\"1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"1,0,0\"\u003e\u003cb data-path-to-node=\"1,0,0\" data-index-in-node=\"0\"\u003eThe Archetype:\u003c\/b\u003e The \"Industrial Wrap\" of the Collection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"1,1,0\"\u003e\u003cb data-path-to-node=\"1,1,0\" data-index-in-node=\"0\"\u003eThe Contrast:\u003c\/b\u003e Instead of leaving rough, raw, saw-cut edges exposed or attempting tricky hand-mitered cuts that shatter the stone, this pre-formed unit ensures a perfectly seamless perimeter turn.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"1,2,0\"\u003e\u003cb data-path-to-node=\"1,2,0\" data-index-in-node=\"0\"\u003eDesign Aesthetics:\u003c\/b\u003e The premier choice for \u003cb data-path-to-node=\"1,2,0\" data-index-in-node=\"42\"\u003eModern Industrial\u003c\/b\u003e, \u003cb data-path-to-node=\"1,2,0\" data-index-in-node=\"61\"\u003eUrban Minimalist\u003c\/b\u003e, or \u003cb data-path-to-node=\"1,2,0\" data-index-in-node=\"82\"\u003eSleek Monochromatic\u003c\/b\u003earchitecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"1,3,0\"\u003e\u003cb data-path-to-node=\"1,3,0\" data-index-in-node=\"0\"\u003eThe Mineral Field:\u003c\/b\u003e Crafted from fine natural marble featuring a cool, creamy light-gray background mixed with shifting shades of smoke and slate.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"1,4,0\"\u003e\u003cb data-path-to-node=\"1,4,0\" data-index-in-node=\"0\"\u003eThe Visual Flow:\u003c\/b\u003e Features an L-shaped corner structure with a rugged split-face texture that wraps structural columns, pillars, and fireplace ends with professional stone masonry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eRockMount™ Stacked Stone Collection: Cosmic Gray 6\" x 18\" Natural Marble Splitface Corner Ledger Panel\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp data-path-to-node=\"7\"\u003eComplete your dimensional stone veneer project with the architectural precision of the \u003cb data-path-to-node=\"7\" data-index-in-node=\"87\"\u003eCosmic Gray Splitface Corner Ledger Panel\u003c\/b\u003e. Sourced and precision-sorted by global surface innovator MSI, this pre-formed L-shaped component is engineered to partner seamlessly with standard 6\" x 24\" flat ledger rows. By removing the need for painstaking field cutting or manual edge grinding, it delivers a clean, professional 90-degree outer corner that saves critical labor hours.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003eEach modular \u003cb data-path-to-node=\"8\" data-index-in-node=\"13\"\u003e6\" x 18\" corner format\u003c\/b\u003e features rows of hand-cleft natural marble fragments structurally bonded to wrap external corners like a puzzle piece. The \"Cosmic Gray\" colorway provides an upscale, multi-tonal light-gray canvas that adds texture and dramatic shadow relief without relying on dark, heavy slates. Fully approved for interior and exterior masonry cladding, it is the essential component for wrapping fireplace columns, outer room dividers, structural pillars, and outdoor barbecue ends.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"horizontal-scroll-wrapper\"\u003e\n\u003cdiv class=\"table-block-component\"\u003e\n\u003cdiv class=\"table-block has-export-button new-table-style is-at-scroll-start is-at-scroll-end\"\u003e\n\u003cdiv class=\"table-content\"\u003e\n\u003ctable data-path-to-node=\"14\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan data-path-to-node=\"14,0,0,0\"\u003eTechnical Property\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan data-path-to-node=\"14,0,1,0\"\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,1,0,0\"\u003e\u003cb data-path-to-node=\"14,1,0,0\" data-index-in-node=\"0\"\u003eCollection\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,1,1,0\"\u003eRockMount™ Stacked Stone Panels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,2,0,0\"\u003e\u003cb data-path-to-node=\"14,2,0,0\" data-index-in-node=\"0\"\u003eProduct Line \/ Color\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,2,1,0\"\u003eCosmic Gray\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,3,0,0\"\u003e\u003cb data-path-to-node=\"14,3,0,0\" data-index-in-node=\"0\"\u003eBrand \/ Manufacturer\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,3,1,0\"\u003eMSI \/ MS International\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,4,0,0\"\u003e\u003cb data-path-to-node=\"14,4,0,0\" data-index-in-node=\"0\"\u003eMaterial Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,4,1,0\"\u003e100% Authentic Natural Marble\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,5,0,0\"\u003e\u003cb data-path-to-node=\"14,5,0,0\" data-index-in-node=\"0\"\u003ePanel Format\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,5,1,0\"\u003e6\" x 18\" Pre-Formed \"L\" Corner Panel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,6,0,0\"\u003e\u003cb data-path-to-node=\"14,6,0,0\" data-index-in-node=\"0\"\u003eCoverage Area\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,6,1,0\"\u003e0.75 Sq. Ft. per piece\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,7,0,0\"\u003e\u003cb data-path-to-node=\"14,7,0,0\" data-index-in-node=\"0\"\u003eThickness Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,7,1,0\"\u003e0.50\" to 0.75\" (Variable Depth Profile)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,8,0,0\"\u003e\u003cb data-path-to-node=\"14,8,0,0\" data-index-in-node=\"0\"\u003eSurface Finish\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,8,1,0\"\u003eSplit-Face \/ Natural Cleft\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,9,0,0\"\u003e\u003cb data-path-to-node=\"14,9,0,0\" data-index-in-node=\"0\"\u003ePackaging\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,9,1,0\"\u003e6 Pieces per box \/ 4.5 Sq. Ft. coverage\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,10,0,0\"\u003e\u003cb data-path-to-node=\"14,10,0,0\" data-index-in-node=\"0\"\u003eWeight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,10,1,0\"\u003eApprox. 5.28 Lbs per piece \/ 31.68 Lbs per box\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,11,0,0\"\u003e\u003cb data-path-to-node=\"14,11,0,0\" data-index-in-node=\"0\"\u003eApplication\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,11,1,0\"\u003eFireplace Edges \/ Structural Columns \/ Outdoor BBQ Corners \/ Accent Wall Outer Turns\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,12,0,0\"\u003e\u003cb data-path-to-node=\"14,12,0,0\" data-index-in-node=\"0\"\u003eCertifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,12,1,0\"\u003eGREENGUARD Gold \/ USGBC LEED Certified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-footer hide-on-print hide-from-message-actions\"\u003e\n\u003cbutton class=\"mdc-icon-button mat-mdc-icon-button mat-mdc-button-base mat-badge mat-unthemed mat-badge-overlap mat-badge-above mat-badge-after mat-badge-small mat-badge-hidden ng-star-inserted\" aria-label=\"More options\"\u003e\u003cspan class=\"mat-mdc-button-persistent-ripple mdc-icon-button__ripple\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-focus-indicator\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-mdc-button-touch-target\"\u003e\u003c\/span\u003e\u003c\/button\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eRecommended Applications\u003c\/h2\u003e\u003cp\u003eConfirm the current manufacturer approval for the intended floor, wall, shower, pool, exterior, or commercial installation before specifying this product.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Handling Guidelines\u003c\/h2\u003e\n\u003cblockquote data-path-to-node=\"17\"\u003e\n\u003cp data-path-to-node=\"17,0\"\u003e⚠️ \u003cb data-path-to-node=\"17,0\" data-index-in-node=\"3\"\u003eCRITICAL: BACKING COHESION \u0026amp; MORTAR COLOR\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"17,1\"\u003eBecause pre-formed stone corners focus heavy natural weight on a vertical outer edge, \u003cb data-path-to-node=\"17,1\" data-index-in-node=\"86\"\u003ethey must be mounted exclusively to a rigid cement backer-board or clean masonry substrate.\u003c\/b\u003e Never attach them directly to residential drywall. \u003cb data-path-to-node=\"17,1\" data-index-in-node=\"229\"\u003eA high-performance, polymer-modified White Thinset Mortar is required\u003c\/b\u003eto secure a safe, lifelong bond and prevent dark adhesive from shadowing through the gray-and-white marble lines.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3 data-path-to-node=\"18\"\u003eManufacturer Recommendations\u003c\/h3\u003e\n\u003cul data-path-to-node=\"19\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,0,0\"\u003e\u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"\u003eGroutless Dry-Stack System:\u003c\/b\u003e Do not apply grout over the split-face stone pieces. Simply push the puzzle-cut edges tightly together against the wall and matching flat panels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,1,0\"\u003e\u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"\u003eSealing Mandate:\u003c\/b\u003e Apply a \u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"25\"\u003ehigh-quality, non-color-enhancing solvent penetrating sealer\u003c\/b\u003e across the corner stones after the mortar cures. This acts as a barrier against fireplace soot, grilling oils, or weather elements without changing the stone's light-gray hue.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,2,0\"\u003e\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"0\"\u003eDry-Cutting Dust Hazard:\u003c\/b\u003e Cutting natural stone creates silica dust. Always utilize a wet tile saw equipped with a continuous diamond blade to control dust particles and keep individual stone strips from separating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul data-path-to-node=\"22\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,0,0\"\u003e\u003cb data-path-to-node=\"22,0,0\" data-index-in-node=\"0\"\u003eCorner-First Strategy:\u003c\/b\u003e When tiling columns or walls, always place your 6\" x 18\" corner pieces first. Level them carefully, and then work your standard 6\" x 24\" flat ledger sheets outward from the corner. This keeps all trimmed cut edges hidden along the less-visible interior boundaries of your wall.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,1,0\"\u003e\u003cb data-path-to-node=\"22,1,0\" data-index-in-node=\"0\"\u003eStagger the Corner Alternations:\u003c\/b\u003e Alternate the direction of the long and short legs of the corner panels with every row you climb. This breaks up vertical seam tracking and unifies the stone layout so it looks like authentic hand-laid stone block architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,2,0\"\u003e\u003cb data-path-to-node=\"22,2,0\" data-index-in-node=\"0\"\u003e100% Back-Butter Coverage:\u003c\/b\u003e Use the flat side of your trowel to back-butter the entire reverse side of every corner panel before locking it into the combed thinset bed. This eliminates hollow air spaces along the critical 90-degree edge.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare \u0026amp; Maintenance\u003c\/h2\u003e\u003cp\u003eUse a cleaner appropriate to the listed material and follow the manufacturer’s maintenance instructions. Test any cleaner or sealer on a spare piece first.\u003c\/p\u003e\u003ch2\u003eDesign Profile\u003c\/h2\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003ePre-Formed \"L\" Outer Corner:\u003c\/b\u003e Provides a clean 90-degree factory turn that masks raw stone edges and avoids complicated field mitering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eGenuine High-Grade Marble:\u003c\/b\u003e Solid natural marble stone delivers exceptional architectural prestige and outlasts faux-concrete options.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eRugged Split-Face Texture:\u003c\/b\u003e Variable cleft depths create deep relief shadows that intensify when framed by directional accent lighting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,3,0\"\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003eAll-Weather Armor:\u003c\/b\u003e Completely frost-proof and structurally stable under heavy UV exposure, making it rated for freezing outdoor zones.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,4,0\"\u003e\u003cb data-path-to-node=\"11,4,0\" data-index-in-node=\"0\"\u003eGrout-Free Interlocking Grid:\u003c\/b\u003e Designed for tight, flush placement, ensuring an unbroken, dry-stacked stone landscape.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp data-path-to-node=\"25\"\u003e\u003cb data-path-to-node=\"25\" data-index-in-node=\"0\"\u003eQ: How do I calculate how many corner pieces to order?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"26\"\u003e\u003cb data-path-to-node=\"26\" data-index-in-node=\"0\"\u003eA:\u003c\/b\u003e Corner pieces are sold by the individual unit and extend vertically. Measure the exact height of your outer 90-degree corner in inches and divide by 6 (since each corner panel is 6 inches tall) to find the exact piece count needed.\u003c\/p\u003e\n\u003cp data-path-to-node=\"27\"\u003e\u003cb data-path-to-node=\"27\" data-index-in-node=\"0\"\u003eQ: Can this split-face marble piece handle freezing outdoor winter conditions?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"28\"\u003e\u003cb data-path-to-node=\"28\" data-index-in-node=\"0\"\u003eA:\u003c\/b\u003e Yes, absolutely. True vitrified marble holds up exceptionally well against extreme thermal cycles, making it fully approved for exterior home pillars, landscaping retaining walls, and outdoor patios.\u003c\/p\u003e\n\u003cp data-path-to-node=\"29\"\u003e\u003cb data-path-to-node=\"29\" data-index-in-node=\"0\"\u003eQ: Why should I choose pre-formed corners instead of cutting them myself?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"30\"\u003e\u003cb data-path-to-node=\"30\" data-index-in-node=\"0\"\u003eA:\u003c\/b\u003e Standard split-face flat ledger panels vary significantly in depth. Attempting to manually miter flat sheets in the field results in uneven, mismatched cleft edges and heavy stone chipping. Factory corners ensure a seamless layout.\u003c\/p\u003e","brand":"heytiles","offers":[{"title":"Default Title","offer_id":39796255948994,"sku":"LPNLMCOSGRY618COR","price":54.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0514\/5719\/6226\/products\/msi-6x18-cosmic-gray-stacked-stone-corner-piece-688853.jpg?v=1746110675","url":"https:\/\/heytiles.com\/products\/msi-6x18-cosmic-gray-stacked-stone-corner-piece","provider":"Hey Tiles","version":"1.0","type":"link"}