SKU: SKU:GrandCanyoNCorner
Grand Canyon Peak Quartz 8×20 RockFace Corner Piece
Grand Canyon Peak Quartz 8×20 RockFace Corner Piece
(5.55 sq.ft.)
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*We recommend adding an additional 15% to your overall square footage calculations to ensure you have enough coverage for waste and reserve during the installation process.
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Total price: $74.92
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This is the "Seamless Anchor" of the collection. While the flat panels provide the face, the Grand Canyon Peak RockFace Corner Piece provides the essential illusion of depth. It is the premier choice for a "Monolithic Estate" or "Modern Fortress" aesthetic, prioritizing a wrap-around texture that eliminates visible seams and gives your pillars and wall-ends the appearance of solid, hand-carved stone blocks.
PRODUCT TITLE
Grand Canyon Series: Peak 8" x 20" RockFace Natural Stone Corner Panel (L-Shaped)
PRODUCT DESCRIPTION
Achieve architectural integrity with the Grand Canyon Peak RockFace Corner Piece. Designed to seamlessly integrate with the 8x22 ledger panels, this "L-shaped" unit is the key to a professional masonry finish. By wrapping around 90-degree angles, it hides the substrate and the "cut-ends" of your stone, ensuring that your columns, outdoor kitchens, and retaining walls look like substantial, structural stone outcroppings.
The Peak Corner Piece features the same dramatic, high-relief "RockFace" texture as the rest of the series. The smoky charcoal and silver-quartz tones transition perfectly around the corner, maintaining the rhythmic interplay of light and shadow that defines the Peak collection. Crafted from rugged Quartzite, these corners are engineered to withstand the highest stress points of a wall—vulnerable edges—while providing a majestic, "quarried-block" profile from every viewing angle.
KEY FEATURES
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Seamless L-Shaped Design: A single-piece unit that wraps around corners, eliminating the need for difficult miter cuts and hiding the joint between panels.
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Coordinated RockFace Texture: Hand-split stone segments provide a rugged, 3D relief that matches the "Peak" ledger panels for a unified wall surface.
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Natural Quartzite Strength: Offers extreme durability and a subtle mineral "sparkle" that resists fading, scratching, and weather erosion.
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Staggered Ends: The edges of the corner piece are "toothed" to interlock perfectly with the flat ledger panels, creating a continuous, grout-free look.
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Architectural Scale: At 8 inches high, these pieces provide a substantial, "heavy-stone" aesthetic that adds instant value and gravitas to residential and commercial facades.
SPECIFICATIONS
| Collection | Grand Canyon (Peak Series) |
| Material | Natural Quartzite |
| Size | 8" High x 20" Total Length (L-Shape/Return) |
| Thickness | 1" to 2" (Varying RockFace Relief) |
| Weight | Approx. 11.00 Lbs per piece |
| Application | Column Wraps / Wall Ends / Outdoor Kitchen Corners |
| Look | Rugged / Seamless / Structural / Multi-Tonal Grey |
INSTALLATION REQUIREMENTS
⚠️ CRITICAL: When building a wall or column, you must always start with the corners. By setting your corner pieces first and working "inward" toward the center of the wall, you ensure that the most visible edges are perfectly vertical and aligned.
Manufacturer Recommendations:
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Recommended Adhesive: Use a highly-polymer-modified Large-and-Heavy-Tile (LHT) mortar. The "return" of the L-shape creates extra weight on the corner that needs immediate "grab" to stay level.
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Vertical Alignment: Use a 4-foot level frequently. Because the rock face is irregular, you must level from the backor the "bed" of the stone, not the textured front.
FREQUENTLY ASKED QUESTIONS
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Do I need both "Left" and "Right" corners? Our corner pieces are designed to be "universal." By flipping the orientation (alternating long-side/short-side) on every other row, you create a natural, staggered "quoins" look found in traditional masonry.
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Can I use these for a fireplace? Absolutely. These are ideal for chimney breasts and hearth corners, providing a safe, heat-resistant, and majestic finish.
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How do I calculate how many I need? Measure the total vertical height of the corner in inches and divide by 8. (Example: A 40-inch tall column requires 5 corner pieces).
PRO INSTALLATION TIPS
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The "Alternate-Flip" Method: To avoid a visible vertical seam, rotate each corner piece 180 degrees as you move up the wall. Row 1: Long side left. Row 2: Long side right. This mimics the way a master mason "ties" a corner together.
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Back-Butter the Angle: Pay special attention to the interior 90-degree angle of the piece. Apply extra mortar to the inside of the "L" to ensure there is no air gap at the corner, which is the most common point for impact damage.
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Check for "Plumb": Use a string line or laser level to ensure the corner stays perfectly vertical. If the corner starts to lean, the interlocking flat panels will gradually become impossible to align.
Shade Variation
Shade Variation
Colors and textures may vary slightly between tile batches due to natural manufacturing variations. For a clear representation, we recommend ordering a sample. Learn more.

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Processing & Shipping
- Orders take 48 hours to process and about a week to be delivered depending on your location.
- Orders may come in multiple packages and may be delivered separately.
- All freight orders require a signature at time of delivery.
- All freight orders are delivered curbside.