Guide
Product Guide NCP Industries Siding

NCP Industries ADORN Stone Granite Series Corner

ADORN Stone Granite Series Corner is a mortarless concrete veneer system that installs with screws instead of mortar, measuring 23.5” L x 6” H x 1.75” W. The concrete panels eliminate the need for specialized masonry skills, which matters when skilled labor commands a significant premium over general construction help.

The product solves the efficiency problem that wet-applied stone can’t touch. Each corner requires just 2 fasteners through the attaching flange. No mortar mixing. No cleanup. No waiting for cure times between courses. The system works over 3/4” OSB or plywood sheathing on wood or metal studs — standard framing that any crew can handle.

Vision failed, fallback from directory: Pro X Home Supply in Bonners Ferry

Technical Performance

The concrete achieves 12 lb/in² saturated weight with a Density Equilibrium of 93 per ASTM C 567. That’s lighter than natural stone but heavy enough to stay put in Montana wind. The panels meet multiple ASTM standards including C 39 for compressive strength, C 67 for sampling and testing, C 192 for curing specimens, C 567 for lightweight concrete density, and D 226 for asphalt-saturated organic felt.

SpecificationValue
Panel Dimensions23.5” L x 6” H x 1.75” W
Saturated Weight12 lb/in²
Density Equilibrium93 (ASTM C 567)
Fire RatingClass A typical for concrete veneer
Maximum Wall Height30 feet (higher requires engineering)
Fasteners per Corner2

The fire resistance deserves attention in wildfire country. Class A fire rating is typical for concrete veneer products — better protection than vinyl or wood siding when embers are flying.

Installation Reality

Installation follows a straightforward sequence: install two layers of code-approved weather barrier (house wrap plus 15 lb felt), start from the bottom checking for level, install corners first then work outward. The system requires maintaining a staggered pattern with minimum 1/4” overlap of seams, finishing with accessories like sills that need at least 3 fasteners.

Required tools include safety glasses, gloves, dust mask, ear plugs, level and measuring tape, drill and hammer, saw with masonry/diamond blade, and a caulking gun. That’s standard equipment any framing crew already owns. Fasteners must be corrosion-resistant exterior-coated screws or nails with minimum 3/8” head, 1/8” shank, and length to penetrate studs by at least 1”.

Corner pieces ship in sets, typically containing 5.5” and 29.5” pieces to create the staggered appearance without field cutting. Boxes typically contain 4 to 6 sets of interlocking corner pieces depending on the retailer.

The mortarless design changes the labor equation completely. Traditional stacked stone requires a mason who knows proper mortar consistency, joint spacing, and cure times. This system lets your regular framing crew handle the installation between other tasks. No special subcontractor scheduling. No weather delays waiting for mortar to cure.

Vision failed, fallback from directory: Pro X Home Supply in Bonners Ferry

The Verdict

Worth it for contractors who need stone veneer aesthetics without masonry complexity. The mortarless system genuinely speeds installation — you’re fastening panels, not floating individual stones in mortar beds. The 30-foot height capability handles most Montana commercial projects without engineering review.

Skip it if natural stone variation is critical to the design. The modern, tone-on-tone look with sharp straight lines works for contemporary buildings but won’t fool anyone looking for hand-laid fieldstone character.

The lifetime warranty covers manufacturing defects but excludes building settling, chemical contact, improper fasteners, acts of nature, and labor costs. Standard warranty language, nothing exceptional either way.

NCP Industries holds ICC-ES certification and ISO 9001:2015 — legitimate third-party validation that matters for commercial projects. The concrete composition handles Montana’s freeze-thaw cycles better than many synthetic sidings, though nothing matches properly installed natural stone for longevity.

Vision failed, fallback from directory: Pro X Home Supply in Bonners Ferry

Frequently Asked Questions

Q: How much does each NCP Industries ADORN Stone Granite Series Corner panel weigh?

NCP Industries ADORN Stone Granite Series Corner panels have a saturated weight of 12 lb/in² with a Density Equilibrium of 93 per ASTM C 567. Each standard panel measures 23.5” L x 6” H x 1.75” W, making them lighter than natural stone but substantial enough for wind resistance.

Q: Do I need a mason to install ADORN Stone Granite Series corners?

No, NCP Industries ADORN Stone Granite Series corners install with just 2 fasteners per corner through the attaching flange — no mortar, clips, or starter strips required. Any crew with basic tools (drill, hammer, saw with masonry blade) can handle the installation over standard 3/4” OSB or plywood sheathing.

Q: What’s the maximum height I can install ADORN Stone Granite corners without engineering?

NCP Industries ADORN Stone Granite Series can be installed up to 30 feet high without additional engineering requirements. Heights above 30 feet require engineering review for both the panels and the supporting structure.

Q: What’s included in the NCP Industries lifetime warranty?

The NCP Industries limited lifetime warranty covers manufacturing defects from the date of purchase but is non-transferable. The warranty excludes damage from building settling, chemical contact, improper fasteners, acts of nature, and does not cover labor costs for removal or replacement.

Q: How many corner pieces come in a box?

NCP Industries ADORN Stone Granite Series corners typically ship in boxes containing 4 to 6 sets of interlocking corner pieces, depending on the retailer. Each set consists of a short piece (5.5”) and a long piece (29.5”) to create a natural staggered appearance.

Q: What fire rating does ADORN Stone Granite Series have?

NCP Industries ADORN Stone Granite Series typically achieves Class A fire rating, standard for concrete veneer products. The high-strength concrete composition with recycled materials provides better fire resistance than vinyl or wood siding options.

Ready to Get Started?

Our siding specialists can help you find the right NCP Industries products for your project.