MSI Royal Cream 9" × 12" × 6" Splitface Marble Ledger Corner

Product Overview

MSI Royal Cream 9" × 12" × 6" Splitface Marble Ledger Corner Panel provides a professionally finished 90-degree transition for Royal Cream XL stacked-stone installations. Each preassembled L-shaped corner measures approximately 9 inches high with a 12-inch long return and a 6-inch short return, allowing the natural-stone pattern to wrap continuously around columns, fireplaces, façades, outdoor kitchens, and architectural projections.

Crafted from genuine marble, Royal Cream blends soft cream, warm ivory, beige, and subtle golden mineral tones. Its rugged split-face surface creates substantial depth and changing shadows, while the corner configuration eliminates the need to fabricate fragile mitered edges in the field.

These corners coordinate with the MSI Royal Cream 9" × 24" XL RockMount ledger panel.

Technical Specifications

Understanding the Corner Dimensions

MSI markets this piece as a 9" × 18" corner panel because its two horizontal returns total 18 inches:

• Long return: 12 inches

• Short return: 6 inches

• Combined returns: 18 inches

• Vertical height: 9 inches

The product may therefore be described as either 9" × 18" or 9" × 12" × 6". Both measurements identify the same corner panel.

Recommended Applications

• Fireplace-surround corners and projecting chimney walls

• Interior feature walls and architectural projections

• Exterior façade and entryway corners

• Outdoor kitchen and barbecue-island corners

• Columns, pillars, posts, and structural wraps

• Landscape and planter-wall veneer

• Hospitality, restaurant, retail, and reception-area features

This is a decorative natural-stone veneer product. It is not intended to serve as structural masonry or as a walking surface.

Installation and Handling Guidelines

Important: Install Corner Pieces First

Establish the corner courses before installing the coordinating 9" × 24" flat panels. The field panels can then be measured and cut to meet the corner returns cleanly.

• Install over structurally sound masonry, concrete, or properly secured cementitious backer board suitable for the project.

• Do not install heavy natural-stone ledger panels directly over standard painted drywall.

• Use a premium white polymer-modified Large and Heavy Tile mortar meeting ANSI A118.4 or A118.15 and approved for natural marble.

• Avoid gray mortar because it may darken or shadow through light-colored natural stone.

• Back-butter each corner panel and obtain substantially complete mortar coverage.

• Begin at the bottom with a level temporary support or properly established base course.

• Alternate the corner orientation between courses so the 12-inch and 6-inch returns switch sides. This prevents a continuous vertical seam.

• Dry-fit adjoining panels before applying mortar to confirm alignment and interlocking placement.

• Butt the panels closely together according to MSI installation guidance. Conventional exposed grout joints are generally not used.

• Remove exposed mortar from the stone before it hardens.

• Include movement accommodation, flashing, drainage, waterproofing, and exterior detailing appropriate for the installation.

• Fireplace installations must comply with the fireplace manufacturer’s required clearances and applicable building codes.

• Wet-cut with a suitable diamond blade. Do not dry-cut or grind because marble fabrication releases hazardous crystalline-silica dust.

• Order approximately 10–15% additional material for cuts, breakage, color blending, and future repairs.

Quantity Calculation

Each corner piece covers 9 vertical inches, or 0.75 linear foot, of one outside corner.

Calculate each outside corner separately, round up to complete pieces, and add an appropriate waste allowance.

Natural-Stone Variation

Royal Cream is genuine marble. Differences in cream coloration, beige movement, golden markings, surface depth, texture, and mineral structure are natural and should be expected.

Open and inspect all cartons before installation. Blend corner pieces with the coordinating flat panels to distribute lighter, darker, and more strongly marked stone throughout the project.

Care and Maintenance

• Remove surface dust with a soft-bristle brush or vacuum attachment.

• Clean with warm water and a neutral-pH cleaner formulated for natural stone.

• Avoid vinegar, acidic cleaners, bleach, abrasive powders, and wire brushes.

• Clean soot, grease, and cooking residue promptly.

• Apply a penetrating natural-stone sealer in moisture-, soot-, grease-, or stain-prone installations.

• Test sealers on an inconspicuous piece because enhancing products may deepen the stone’s color.

• Periodically inspect exterior installations for failed joints, water intrusion, flashing problems, or movement.

Design Profile

• Aesthetic: Mediterranean luxury, warm contemporary, modern organic, transitional, and refined rustic

• Color Character: Creamy off-white with beige and warm golden movement

• Surface Character: Rugged split-face texture with dimensional relief

• Visual Advantage: The L-shaped construction preserves the appearance of continuous stone masonry around outside corners

• Complementary Materials: White oak, walnut, warm plaster, limestone, bronze, and blackened steel

• Complementary Metals: Champagne bronze, brushed brass, antique gold, and matte black

• Lighting Recommendation: Warm grazing light emphasizes the split-face relief and natural marble movement

Frequently Asked Questions

Is the corner 9" × 18" or 9" × 12" × 6"?

Both descriptions refer to the same product. The corner is 9 inches high with 12-inch and 6-inch returns. MSI markets it as 9" × 18" because the two returns total 18 inches.

What is the correct MSI item number?

The correct manufacturer item number is LPNLMROYCRE918COR.

How many corner pieces are included in one box?

One box contains four corner panels.

How much vertical corner height does one box cover?

Four 9-inch-high pieces cover approximately 3 vertical linear feet of one outside corner.

Why does the box also state 4.5 square feet?

The 4.5-square-foot measurement represents the combined surface area of both returns. It does not mean the box covers 4.5 vertical linear feet.

Which flat panel coordinates with this corner?

It coordinates with the MSI Royal Cream 9" × 24" XL RockMount Splitface Marble Ledger Panel, item number LPNLMROYCRE924.

Does this corner require grout?

The panels are designed for a close-fitting stacked-stone installation with minimal visible joints. Conventional decorative grout joints are generally not used.

Can it be installed outdoors?

Yes. MSI lists Royal Cream for interior and exterior vertical applications. Exterior installations require appropriate mortar, substrate preparation, waterproofing, flashing, drainage, and movement accommodation.

Can it be used on floors?

No. Its dimensional split-face surface and L-shaped construction are intended exclusively for vertical corner applications.

Should Royal Cream marble be sealed?

A penetrating natural-stone sealer is recommended for exterior, fireplace, moisture-prone, grease-prone, or stain-prone applications. Test the sealer first for possible color changes.