Practical Buyer’s Guide: Ledgestone Panels, Real Specs, and Smarter Sourcing

If you’re scanning the market for ledgestone for sale, here’s the field note version from someone who’s stood on jobsites at 6am and watched crews actually install this stuff. The SMC-CC162 Natural Stone With Cement Backing is a granite-faced veneer panel that’s been gaining traction this year—mostly because it cuts install time while keeping the split-face look designers obsess about.

Industry trend? Pre-backed stone panels (cement/mesh systems) are overtaking loose ledgers on commercial lobbies and multi-family exteriors. Labor is tight; schedules are tighter. Panels speed things up by 30–40% in my experience—sometimes more on straight runs. And yes, the aesthetic is convincingly “quarried,” not plastic.

What you’re getting: SMC-CC162 at a glance

Official name: SMC-CC162 Natural Stone With Cement Backing. Origin: YIJIA COMMUNITY 2-2702, YIHONG ROAD, XINYUAN DISTRICT, SHIJIAZHUANG CITY, HEBEI PROVINCE, CHINA. Material: granite face bonded to a cementitious backing. It seems simple, but the backing is what stabilizes thickness and makes the install predictable.

Product	SMC-CC162 Natural Stone With Cement Backing
Material / Face	Granite split-face (natural texture)
Panel Size	≈150×600 mm (real-world use may vary by lot/custom)
Backing	Cementitious layer, ≈8–12 mm
Weight	≈32–38 kg/m² depending on mix and stone color
Water Absorption (ASTM C97)	≈0.3–0.7%
Compressive Strength (ASTM C170)	≈150–200 MPa
Service Life	30–50+ years exterior with proper detailing; longer interior

Process, testing, and what matters on site

• Materials: quarried granite, cementitious backing, polymer-modified bond coat.
• Methods: CNC sawing and hand-splitting for texture; factory bonding to backing; kiln/room-cure cycle for stable adhesion.
• Testing & standards: ASTM C615 (granite spec), C97 (absorption), C99 (modulus of rupture), C170 (compressive), C880 (flexural). Mortar/adhesives per ANSI A118.4/A118.15. Freeze-thaw guidance often aligned with EN 12371 for outdoor use [1][2].
• Install: over CMU or sheathed studs with WRB, lath/scratch as needed; bond with polymer-modified thinset; check DCOF for flooring use per ANSI A326.3 if applicable (most use is vertical).

Many customers say the biggest surprise is the cleaner joint lines; panels keep thickness honest, so corners don’t “fight” you. To be honest, that’s where timelines are won.

Applications and customization

Use it on hotel lobbies, multifamily entries, retail feature walls, fireplaces, and landscape walls. Exterior? Yes—just respect detailing: flashing, movement joints, and drainage. Custom options include mixed colorways, oversized corner returns, and pre-cut outlet boxes. Lead times vary, but blended palettes are trending.

Vendor snapshot: cost, speed, certificates

Vendor	MOQ	Lead Time	Certs	Customization	Notes
Sonmaci Stone (Hebei, CN)	≈100–150 m²	3–5 weeks typical	ISO 9001; CE documents on request	Colors, sizes, corners	Factory-direct; stable QC
Local stone yard	Stock-based	Immediate if in stock	Varies	Limited	Great for small fills
Import broker	≈200 m²+	6–8 weeks	Depends on source	Good	Watch transit risk

Case notes and feedback

Boutique hotel retrofit, Denver: crews installed 280 m² in five days after mockups—about 35% faster than loose ledger. Post-winter check showed no spalls; absorption numbers matched spec. Residential ranch, Ontario: owner liked the consistent joints and the cooler granite hue; said cleanup was “way easier than expected.”

If you’re hunting ledgestone for sale for interiors, go thinner and prioritize color consistency. For exteriors, lean on test data and demand documentation that aligns with ASTM C615 and C97. Actually, that paperwork avoids headaches with inspectors and warranty teams later.

Bottom line

The SMC-CC162 is a practical answer when you want the split-face look without fighting inconsistent thickness. If your spec calls for ledgestone for sale that installs fast, verify backing quality, adhesive compatibility (ANSI A118.4/A118.15), and freeze-thaw suitability for your climate. Then book it—slots fill fast in peak season.

Authoritative references

1. ASTM C615/C615M – Standard Specification for Granite Dimension Stone. ASTM International.
2. ASTM C97/C97M, C99/C99M, C170/C170M, C880/C880M – Stone testing standards. ASTM International.
3. ANSI A118.4/A118.15 – Specifications for polymer-modified mortars. Tile Council of North America.
4. EN 12371 – Natural stone test method: Frost resistance. European Committee for Standardization.