ArcusStone

What ArcusStone does

ArcusStone, LLC is a privately held specialty building-products manufacturer founded in 1995 and headquartered in Jacksonville, Florida with a manufacturing plant in San Antonio, Texas. The company develops and sells field-applied natural limestone coatings, crushed marble coatings, and lime plasters under the registered trademarks Arcus Stonecoat™, Arcus Marblecoat™, Arcus Limestone Stucco™, and Arcus Lime Plaster™ (Fine and Medium variants). The core technology combines quarried crushed limestone or marble aggregates with Portland cement, select polymers, and proprietary bonding agents to produce coatings that adhere to substrates such as EPS foam, brick, concrete, and drywall, with compressive strength specifications up to 5800 PSI for Stonecoat and 4200 PSI for Limestone Stucco.

The company has expanded from its original Stonecoat offering into a broader portfolio that also includes fabricated architectural elements — branded carvings, column crowns, decorative columns, window treatments, moldings, door arches, and pre-coated EPS foam shapes — sold under the Columns, Carvings and Moldings category. End uses span interior and exterior applications across luxury residential, hospitality (e.g., Westin Huntsville, Regent Grand Turks and Caicos), commercial (e.g., International Design Center Florida, World of Coke), and mixed-use projects (e.g., Villa Montgomery, Stetson Scottsdale).

ArcusStone sells coatings in 30-lb and 50-lb bags and generates revenue primarily through one-time product sales to trained applicators and regional distributors, supplemented by technical-support services covering design detailing, maintenance, and LEED certification assistance. Distribution is U.S.-domestic via a regional distributor network with a public locator on the company website. Installation is restricted to applicators who complete hands-on workshops run by ArcusStone, creating a credentialed installer channel. Pricing is quote-based and not publicly disclosed. Founder Carol Kavalaris serves as President and CEO, and the company is privately held with no recorded funding rounds, M&A activity, or institutional ownership disclosed in the source data.

Name

ArcusStone

Legal name

ArcusStone, LLC

Website

https://arcusstone.com

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

11–50 employees

Short description

ArcusStone, founded in 1995, is a privately held U.S. manufacturer of proprietary field-applied limestone, marble, and lime plaster coatings, plus fabricated architectural elements, sold through trained applicators and regional distributors for hospitality, commercial, luxury residential, and mixed-use projects.

Ownership category

akta.pro rank

Product category

Architectural Stone Coatings

NAICS

Cut Stone and Stone Product Manufacturing (327991), Cement and Concrete Product Manufacturing (3273)

SIC

Cut Stone & Stone Products (3281), Concrete, Gypsum & Plaster Products (3270)

akta.pro primary industry

Manufactured/Engineered Stone & Agglomerates (Quartz, Terrazzo, Sintered Stone) (IMAKAHAG)

akta.pro secondary industries

Limestone Quarrying (Industrial & Construction Grade) (IMAKAHAC), Aggregate Processing & Value-Added Products (Washing, Screening, Asphalt/Concrete Aggregates) (IMAKAHAH)

Keywords

• Limestone coatings
• Lime plasters
• Architectural finishes
• Decorative stone coatings
• Interior exterior plasters

Headquarters

HQ city

Sausalito

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D

Revenue model

1. Coating and Plaster Product Sales: ArcusStone generates revenue through the sale of proprietary limestone, marble, and lime plaster coating products. Products are sold in bags (50-lb for Stonecoat/Marblecoat, 30-lb for Lime Plaster) to applicators, distributors, and contractors. Custom colors and samples available at premium.
2. Technical Support Services: The company provides technical support services including design and detailing questions, maintenance/restoration/repair guidance, job-site condition assessments, and LEED project certification assistance. These services support product sales and specification processes.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

ArcusStone manufactures and sells proprietary field-applied crushed-limestone and crushed-marble architectural coatings and lime plasters (Arcus Stonecoat, Arcus Marblecoat, Arcus Limestone Stucco, Arcus Lime Plaster Fine and Medium) that deliver authentic stone aesthetics at a fraction of the weight and cost of cut stone for interior and exterior use. Products are packaged in 50-lb or 30-lb bags, sold through U.S. regional distributors and a controlled network of workshop-trained applicators who install the products exclusively on residential, commercial, hospitality, and mixed-use projects.

Product overview

ArcusStone offers a portfolio of natural limestone coatings and lime plasters for architectural applications. The core product lineup consists of Arcus Stonecoat™ (crushed limestone coating), Arcus Marblecoat™ (crushed marble coating), Arcus Limestone Stucco™ (cement-based limestone plaster), and two Arcus Lime Plaster™ variants (Fine for Venetian-style finish and Medium for Marmorino-style finish). Additionally, the company provides pre-fabricated architectural elements including Branded Carvings, Column Crowns, Decorative Columns, Window Treatments, Window Moldings, Door Arches, and Cast & Pre-Coated EPS Foam Shapes. All products are designed for interior and exterior applications in residential, commercial, hospitality, and mixed-use construction projects.

Differentiator

Problem solved

Functional benefit

Brands

• Arcus Stonecoat™: Field-applied limestone coating consisting of a proprietary mix of quarried, crushed limestone, select polymers and Portland cement for added strength. Produces the look of cut stone finishes with grout lines.
• Arcus Marblecoat™
• Arcus Lime Plaster™ (Fine)
• Arcus Lime Plaster™ (Medium)
• Arcus Limestone Stucco™

Products and services

• Arcus Stonecoat™ Field-applied limestone coating consisting of a proprietary mix of quarried crushed limestone, select polymers, and Portland cement; produces the look of cut stone finishes with grout lines, can be textured, honed, and finished like cut stone; 5,800 PSI compressive strength; nominal thickness 3/16"-3/8"; sold in 50-lb bags covering approximately 15 sq ft at 3/8" thickness.
• Arcus Marblecoat™ Specialized interior/exterior coating consisting of a proprietary mix of quarried crushed marble for applications calling for the polished look of natural stone; creamy mix easy to work with; available in 24 colors; nominal thickness 1/8"-1/4"; 50-lb bag covers 20-40 sq ft.
• Arcus Limestone Stucco™ (formerly ArcusPlaster™) Proprietary blend of quarried limestone aggregates, bonding agents, sand, and Portland cement producing the European look of mottled, aged stucco with a rich, warm patina; 4,200 PSI compressive strength; available in 15 standard colors.
• Arcus Lime Plaster™ (Fine) Natural plaster product combining old-world lime plaster with 21st-century technology; formulated from hydrated lime, fine-grain sand, and proprietary natural additives; produces a striking Venetian-style finish; nominal thickness 1/32"-1/16"; 30-lb bag covers 160-210 sq ft.
• Arcus Lime Plaster™ (Medium) Natural plaster product combining old-world lime plaster with 21st-century technology; formulated from hydrated lime, fine-grain sand, and proprietary natural additives with slightly larger aggregate than the Fine version; produces a striking Marmorino-style finish; nominal thickness 1/16"-1/8".
• Cast & Pre-Coated EPS Foam Shapes Pre-manufactured EPS foam architectural shapes pre-coated with Arcus Stonecoat, supplied as factory-finished components for architectural applications on new construction and remodeling projects.
• Architectural Columns, Carvings, and Moldings Custom architectural elements—including branded carvings, column crowns, decorative columns, window treatments, window moldings, and door arches—finished with ArcusStone limestone coatings to create a unified stone aesthetic across new construction and remodeling projects.

Quantifiable outcome

• One 50-lb bag of Arcus Stonecoat covers 15 sq ft at 3/8" thickness
• +3 more outcomes

Named customers12 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Omega Products International: Manufacturer of stucco, plaster, and architectural coatings for commercial construction. Overlaps with ArcusStone's Limestone Stucco and Stonecoat in the cement-based exterior finish category, with national distribution and larger project-pipeline capacity.
• Sto Corp. Largest U.S. manufacturer of EIFS, stucco, and decorative exterior wall systems. Overlaps with ArcusStone's cement-based Limestone Stucco and Stonecoat in commercial cladding specifications, but at vastly greater scale and with a broader product portfolio.
• Dryvit Systems: Major EIFS and exterior finish systems manufacturer (now part of Master Builders Solutions). Competes with ArcusStone for exterior wall-finish specifications in commercial and hospitality projects, with established national distribution and certified-installer networks.

Emerging players

• TASSOS (lime plaster specialist): Specialty lime and Venetian plaster manufacturer. Directly comparable to ArcusStone's Lime Plaster (Fine and Medium) lines for interior decorative finishes, though smaller and more concentrated in the Venetian/Marmorino segment.

Others

• PROSOCO: Manufacturer of cleaners, sealers, and protective treatments for masonry, stone, and concrete. Adjacent to ArcusStone — same end customers (architects, stone installers) and same masonry substrate ecosystem, but sells consumables rather than decorative finishes.
• Mortar Net Solutions: Supplier of moisture-management and masonry accessories for stone and stucco wall systems. Adjacent peer serving the same wall-assembly ecosystem in which ArcusStone coatings are specified, but operating in enabling products rather than decorative finishes.

Direct peers

• Realstone Systems: Producer of natural thin-stone veneer and architectural stone panels. Competes with ArcusStone for premium stone-finish specifications in residential and commercial projects, with similar positioning around authentic stone aesthetics over lightweight substrates.
• Coronado Stone Products: Manufacturer of architectural stone veneer and brick veneer profiles. Competes with ArcusStone in the same specification-driven luxury residential and hospitality channels, particularly on exterior cladding where authentic-stone aesthetics are required.
• Eldorado Stone: Manufactured stone veneer producer targeting luxury residential and hospitality interiors/exteriors. The closest direct competitor to ArcusStone's stone-coating aesthetic, with overlapping customer segments (high-end builders, designers) and a heavier national distribution footprint.
• Cultured Stone (Boral/Westlake): Iconic manufactured stone veneer brand, now under Westlake Royal Building Products. Directly competes with ArcusStone in decorative stone aesthetics for residential and light commercial projects, with significantly larger scale and builder-dealer programs.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks7 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ArcusStone