What Delta Millworks does

Delta Millworks is a family-owned manufacturer of architectural-grade wood siding, paneling, decking, and soffit products headquartered in Austin, Texas, and operating since 1985 under Davis family ownership (founder Bob Davis; current owner Robbie Davis). The company specializes in modified wood technologies, offering five core collections: Accoya (acetylated wood), Thermally Modified Wood (ThermoWood Spruce, Thermal Hemlock VG, Thermal Radiata, and Lunawood partnership), Western Red Cedar, Shou Sugi Ban (charred wood, pioneered in North America by Delta in 2008), and Old Souls Reclaimed. Delta applies proprietary multi-coat factory finishes (smooth, rough sawn, barnwood, charred, HD Clear, Delta Prefinished) and validates performance through accelerated weathering testing at 3500+ hours.

The company sells primarily through direct enterprise field sales to architects, builders, and contractors on custom project specifications with a 1,000 sqft minimum order and quote-based pricing. A secondary e-commerce shop handles smaller transactions and overstock wood for homeowners and small buyers. Customer segments span high-end residential (200+ projects), commercial (120+ projects across hospitality, restaurants, wineries, civic, retail, education, and multi-family), and government/municipal clients, with named projects including MOLLIE Aspen, Austin Proper Hotel, Santa Monica Proper Hotel, Rivers Marie Winery, and Starwood Fire Department in Aspen. Distribution covers all major US regions plus Canada and Mexico.

Delta holds FSC-C125341 chain-of-custody certification, maintains partnerships with Accoya and Lunawood as authorized distributor/finisher, and has embedded its products in the architectural design workflow through a partnership with Poliigon for digital texture libraries. The company is currently expanding with a new factory and headquarters (Delta Millworks 2.0) under development in Wimberley, Texas, signaling capacity scaling beyond the historic 1946 East Austin mill. Revenue and financial details are not publicly disclosed; the company is bootstrapped with no disclosed institutional investment.

Name

Delta Millworks

Legal name

Delta Millworks

Website

https://deltamillworks.com

Company type

Private

Founded year

1985

Operating status

Operating

Headcount range

11–50 employees

Short description

Delta Millworks is a family-owned Austin, Texas manufacturer of architectural-grade wood siding, paneling, decking, and charred finishes serving architects, builders, hospitality, and high-end residential clients across North America for 40 years.

Ownership category

akta.pro rank

Product category

Architectural Wood Cladding and Millwork

NAICS

Millwork (32191), Custom Architectural Woodwork and Millwork Manufacturing (337212), Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers (42331)

SIC

Lumber & Wood Products (No Furniture) (2400), Millwood, Veneer, Plywood, & Structural Wood Members (2430)

akta.pro primary industry

Engineered Wood Product Distribution & Fabrication Services (IMAMACAO)

akta.pro secondary industry

Planing Mills & Lumber Surfacing (IMAMABAE)

Keywords

• Architectural wood cladding
• Wood siding manufacturing
• Thermally modified wood
• Shou sugi ban
• Exterior wood paneling

Headquarters

HQ city

Austin

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. Architectural Wood Products Sales: Delta Millworks generates revenue through the sale of architectural-grade wood siding, paneling, decking, and related wood building materials. Products are sold in standard configurations as well as custom specifications for architectural projects. Revenue is one-time per project with repeat business from new projects and customer relationships.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels8 records

Core offering

Delta Millworks is a family-owned manufacturer of architectural-grade wood building products—including exterior cladding, interior paneling, decking, and soffits—using modified wood technologies such as Accoya acetylated wood, thermally modified wood (ThermoWood and Lunawood), Western Red Cedar, reclaimed Old Souls wood, and proprietary Shou Sugi Ban charred finishes. The company sells custom specification orders for projects of 1,000+ square feet through direct engagement with architects, builders, and contractors, and smaller quantities of overstock materials through an online shop.

Product overview

Delta Millworks is an award-winning, family-owned manufacturer of architectural-grade wood siding, paneling, and decking based in Austin, Texas. For 40 years, the company has been a pioneer in offering high-performing and sustainable wood materials. The product portfolio centers on five main wood species collections: Accoya (modified natural wood), Thermally Modified Wood including Lunawood and ThermoWood products, Western Red Cedar, Shou Sugi Ban (charred finishes), and Old Souls Reclaimed wood. These materials are offered across four product categories: Exterior Cladding, Interior Paneling, Decking, and Soffits + Interior Ceilings. Delta applies various finish treatments including Smooth, Barnwood, Rough Sawn, Shou Sugi Ban (charred), HD Clear, and Delta Prefinished factory finishes. The company also provides design tools through a partnership with Poliigon for architectural visualization.

Differentiator

Problem solved

Functional benefit

Brands

• Delta Prefinished™: Factory prefinished wood products.
• Old Souls Reclaimed
• Delta Presents

Products and services

• Accoya Collection Accoya is acetylated modified natural wood that delivers gold-standard performance and sustainability; Delta Millworks applies unique textures and rich color to create architectural cladding products aimed at architects specifying sustainable, durable exterior and interior applications.
• Thermally Modified Wood Collection Thermally modified wood produced through heat-and-steam treatment of sustainable timber, producing durable, stable material for exterior cladding that lasts decades; the collection includes ThermoWood Spruce, Thermal Hemlock VG, and Thermal Radiata in textures and colors ranging from rustic to refined.
• Lunawood Lunawood ThermoWood is a chemical-free, thermally modified Nordic wood that delivers durability, stability, and sustainability, supplied by Delta Millworks with proprietary factory finishing for architectural projects.
• Western Red Cedar Western Red Cedar is a sustainable North American softwood known for natural weather resistance, durability, and varied color and grain patterns, supplied by Delta Millworks for architectural cladding applications.
• Shou Sugi Ban (Charred Wood) Shou Sugi Ban is a traditional Japanese wood preservation technique involving controlled charring of the wood surface to create a dark, textured finish that strengthens the wood and provides a distinct architectural aesthetic; Delta Millworks applies proprietary multi-coat finishing on top of the charred surface.
• Delta Prefinished Delta Prefinished is a factory-applied, multi-coat wood finishing system that delivers consistent color, longer maintenance cycles, and ready-to-install wood siding, eliminating the need for on-site finishing on architectural projects.
• Old Souls Reclaimed Old Souls Reclaimed is Delta Millworks' reclaimed wood collection featuring barnwood, chestnut, and oak, supplying characterful, history-rich materials that promote sustainability through reuse of existing timber in architectural applications.
• Exterior Cladding Delta Millworks' exterior cladding product category comprises architectural-grade wood cladding made for beauty and longevity in unforgiving exterior environments, offered across Accoya, Thermally Modified Wood, Western Red Cedar, and other species with a range of finish options.
• Interior Paneling Delta Millworks' interior paneling category offers design versatility across commercial and residential projects, available in multiple wood species, finishes, and textures including Shou Sugi Ban and reclaimed Old Souls options.
• Decking Delta Millworks' decking line delivers best-in-class exterior performance using sustainable wood technologies including Accoya and Lunawood, providing durability and longevity for residential and commercial outdoor deck installations.
• Soffits + Interior Ceilings Delta Millworks' soffits and interior ceilings category provides wood products designed for exterior overhead and interior ceiling applications, combining aesthetic appeal with performance for architectural specifications.
• Us vs. Them Testing Service Us vs. Them is Delta Millworks' performance comparison testing service that uses accelerated weathering machines to expose Delta's burnt and stained wood finishes against competitors' products under UV light and moisture, generating 1000–3500+ hours of test data to validate performance and set accurate expectations for architects and builders.

Quantifiable outcome

• 5+ years of excellent durability demonstrated in Aspen, Colorado extreme climate with no maintenance beyond cleaning
• +1 more outcomes

Named customers9 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature6 records

Partnerships

Three partnerships are on record, tiered core.

• PoliigoncoreTechnology or IntegrationDelta partnered with Poliigon to digitize some of their most popular products including Accoya and Thermally Modified Wood. This partnership brings Delta's distinctive products to the digital design world, allowing architects and designers to explore authentic wood cladding in their renderings through photorealistic, high-resolution textures for architectural visualization software.
• AccoyacoreStrategic or Co-development PartnerAccoya is a leading modified wood brand offering gold-standard performance and sustainability. Delta Millworks is an authorized partner offering Accoya products with their proprietary textures and rich factory finishes. The partnership provides Delta customers access to acetylated wood technology with custom finishing options.
• LunawoodcoreStrategic or Co-development PartnerLunawood ThermoWood is a chemical-free, thermally modified wood from the Nordics that delivers unmatched durability, stability, and sustainability. Delta offers Lunawood products with their factory finishing capabilities, providing customers with Nordic thermally modified wood options.

Scale indicators3 records

Recent moves8 records

Expansion highlights4 records

Direct peers

• Thermory: Thermory is a leading manufacturer of thermally modified wood for exterior and interior applications, including decking and cladding. It is a direct peer because Delta's thermally modified collection (ThermoWood Spruce, Thermal Hemlock, Thermal Radiata) competes head-to-head with Thermory's product line in the premium architectural market.
• Kebony: Kebony is a Norwegian producer of modified wood (furfurylated) for exterior cladding, decking, and architectural applications. It is a direct peer because Kebony competes directly with Delta's Accoya offerings in the high-performance modified wood cladding category.
• Pioneer Millworks: Pioneer Millworks is a New York-based manufacturer of reclaimed and sustainable wood products for architectural applications including paneling, cladding, and flooring. It is a direct peer because Pioneer Millworks serves the same architect/builder channel with similar reclaimed and sustainable wood offerings.
• Reclaimed DesignWorks: Reclaimed DesignWorks supplies reclaimed and sustainable wood for architectural projects including cladding, paneling, and decking. It is a direct peer because it competes with Delta's Old Souls Reclaimed collection in the reclaimed wood architectural segment.
• Mataverde Lumber: Mataverde is a premium hardwood decking and siding supplier with strong focus on architectural-grade tropical and modified wood products. It is a direct peer because Mataverde competes with Delta in the premium exterior decking and siding market with a similar specifier-driven sales motion.
• Biewer Lumber: Biewer Lumber is a manufacturer of treated lumber and engineered wood products for residential and commercial construction. It is a direct peer because Biewer's treated/engineered wood offering overlaps with Delta's Accoya-based prefinished siding in performance-focused cladding applications.
• Ipe Woods USA: Ipe Woods USA is a premium tropical hardwood decking and siding supplier serving architects and builders. It is a direct peer because it competes with Delta's premium decking and siding lines in the high-end architectural market.

Broad incumbents

• Louisiana-Pacific (LP Building Solutions): LP Building Solutions is a major manufacturer of engineered wood building products including siding (LP SmartSide), OSB, and structural panels. It is a broad incumbent because LP serves the same siding market as Delta but at scale and across price points, not as a niche premium specialist.
• Boise Cascade: Boise Cascade is a large US manufacturer and distributor of engineered wood products, lumber, and building materials. It is a broad incumbent because it supplies wood-based cladding and panel products to a much broader construction market than Delta's premium architectural focus.
• James Hardie Industries: James Hardie is the dominant global manufacturer of fiber cement exterior siding and trim products. It is a broad incumbent because it competes with Delta's wood cladding in the broader exterior cladding market, albeit with a different (fiber cement) material that competes on maintenance characteristics.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

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Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds2 records

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 Delta Millworks