Arches and keystones
Decorative Architectural Shapes engineers and manufactures exquisite architectural arches and keystones that deliver the timeless grandeur of solid stone without the weight, cost, or structural complexities that kill your designs. Created for architects, builders, and developers who refuse to compromise on impact, our solutions provide complete creative freedom for any project, from classic decorative doorway arches to bold, modern facade statements.
Discuss my projectSpecial offers
About our architectural arch & keystone systems
We deliver the monumental look of solid stone in a precision-engineered system that assembles flawlessly on site.
The anatomy of a perfect first impression
Monumental, elegant, and engineered for perfection—our architectural arches are crafted from high-density, lightweight materials to replicate a solid, monolithic stone archway without the engineering nightmare. Perfect for creating powerful first impressions on commercial properties and luxury homes, these systems add a definitive statement of quality and design authority.
Each decorative arch system consists of precision-made components:
- The Arch: The primary structural form, engineered for perfect curves and crisp lines. Available in any profile you can design, from a subtle decorative wall arch to a soaring entryway.
- The Keystone: The crown jewel of the arch. Our decorative keystones provide the critical finishing touch, available in classic, modern, or completely custom designs.
- Supporting Trim & Moldings: Optional elements that integrate the arch seamlessly with the surrounding facade for a fully resolved architectural feature.
Get a modular system that installs with absolute precision, every time.
The science behind flawless form & enduring strength
Our architectural arch systems are built from an advanced composite of materials engineered for a century of performance. At the core is a structural, high-density Expanded Polystyrene (EPS) foam, precision-cut with CNC technology to achieve any geometry your design demands.
This core is then fully encapsulated in our signature polyurea hard coat. This isn’t just a coating; it’s armor. The spray-applied elastomer creates a seamless, waterproof, and impact-resistant shell, transforming the lightweight foam into a monolithic structure with incredible resilience.
The final layer is an integrated, architectural-grade finish that provides the authentic texture of limestone, precast concrete, or any other specified material. This advanced construction makes our decorative arches robust, beautiful, and virtually maintenance-free for 80-100 years.
Assortment of arch & keystone systems
EPS arches vs. traditional masonry:
the Decorative Architectural Shapes advantage
Ready to build without limits?
Stop letting heavy, outdated materials dictate your design. Choose a lightweight, durable, and fully customizable arch system—built to last, made in the USA.
Let's discuss your project todayDiscuss my project
Сustom arches and keystones
0465from Price range: $500.00 through $700.00
1945from Price range: $500.00 through $538.00
1935from Price range: $506.00 through $538.00
1925from Price range: $564.00 through $596.00
1911from Price range: $390.00 through $438.00
1901from Price range: $602.00 through $634.00
1884from Price range: $390.00 through $438.00
1870from Price range: $390.00 through $438.00
1853from Price range: $390.00 through $438.00
1839from Price range: $390.00 through $438.00
How to order your architectural arches & keystones
From your initial CAD file to final installation—our process is transparent, fast, and engineered for absolute precision.
It all begins with a deep dive into your project. We work as your technical partner to translate creative intent into a solid, actionable plan.
- Analyze Your Inputs: We review your architectural plans, CAD files, sketches, and inspirational images to understand your design from every angle.
- Define the Scope: In a collaborative consultation, we discuss the project’s aesthetic goals, site conditions, and technical requirements to ensure a perfect fit.
- Establish a Technical Blueprint: We finalize all specifications, from dimensions to finish textures, creating a clear roadmap for fabrication that aligns perfectly with your vision.
We bridge the gap between concept and cost, providing you with the clarity and confidence to move forward.
- Receive a Detailed 3D Visualization: We create and send you a precise 3D model, allowing you to see exactly how your custom architectural elements will look before production begins.
- Get a Transparent, Itemized Proposal: You receive a clear, comprehensive quote with no hidden fees. We believe in total transparency, so you know exactly what you’re investing in.
- Maintain Complete Control for Final Approval: We don’t proceed until you are 100% satisfied. You have the final say on the design and budget before we move to the next stage.
This is where your approved design becomes a physical reality, crafted with an obsessive focus on quality in our 45,000 sq. ft. workshop.
- Execute with Robotic Accuracy: Our state-of-the-art CNC hot-wire machines carve your decorative architectural shapes with flawless precision, matching your approved 3D model to the millimeter.
- Armor for a Century of Performance: Our skilled artisans apply our signature Polyurea hard coat, creating a seamless, impact-resistant, and weatherproof shell designed for decades of durability.
- Verify Through Rigorous Quality Control: Every single piece undergoes a multi-point inspection to ensure it meets our exacting standards for form, finish, and structural integrity.
Our commitment extends all the way to your job site, ensuring a smooth and successful installation.
- Protect with Secure, Custom Crating: We build custom shipping crates for your elements, ensuring they arrive on-site in pristine, ready-to-install condition.
- Streamline Your Installation: Your pieces are delivered pre-assembled and lightweight, designed to slash on-site labor time and eliminate the need for heavy machinery.
- Support Your Crew to the Finish Line: We provide detailed installation guides and offer live Zoom support to answer your team’s questions, guaranteeing a perfect final fit.
Step 1: Consultation & Vision
It all begins with a deep dive into your project. We work as your technical partner to translate creative intent into a solid, actionable plan.
- Analyze Your Inputs: We review your architectural plans, CAD files, sketches, and inspirational images to understand your design from every angle.
- Define the Scope: In a collaborative consultation, we discuss the project’s aesthetic goals, site conditions, and technical requirements to ensure a perfect fit.
- Establish a Technical Blueprint: We finalize all specifications, from dimensions to finish textures, creating a clear roadmap for fabrication that aligns perfectly with your vision.
Step 2: Design & Quote
We bridge the gap between concept and cost, providing you with the clarity and confidence to move forward.
- Receive a Detailed 3D Visualization: We create and send you a precise 3D model, allowing you to see exactly how your custom architectural elements will look before production begins.
- Get a Transparent, Itemized Proposal: You receive a clear, comprehensive quote with no hidden fees. We believe in total transparency, so you know exactly what you’re investing in.
- Maintain Complete Control for Final Approval: We don’t proceed until you are 100% satisfied. You have the final say on the design and budget before we move to the next stage.
Step 3: Precision Fabrication
This is where your approved design becomes a physical reality, crafted with an obsessive focus on quality in our 45,000 sq. ft. workshop.
- Execute with Robotic Accuracy: Our state-of-the-art CNC hot-wire machines carve your decorative architectural shapes with flawless precision, matching your approved 3D model to the millimeter.
- Armor for a Century of Performance: Our skilled artisans apply our signature Polyurea hard coat, creating a seamless, impact-resistant, and weatherproof shell designed for decades of durability.
- Verify Through Rigorous Quality Control: Every single piece undergoes a multi-point inspection to ensure it meets our exacting standards for form, finish, and structural integrity.
Step 4: Delivery & On-Site Success
Our commitment extends all the way to your job site, ensuring a smooth and successful installation.
- Protect with Secure, Custom Crating: We build custom shipping crates for your elements, ensuring they arrive on-site in pristine, ready-to-install condition.
- Streamline Your Installation: Your pieces are delivered pre-assembled and lightweight, designed to slash on-site labor time and eliminate the need for heavy machinery.
- Support Your Crew to the Finish Line: We provide detailed installation guides and offer live Zoom support to answer your team’s questions, guaranteeing a perfect final fit.
Our project gallery
Engineered solutions for every vision
From commercial landmarks to luxury residences, we provide the tailored architectural solutions that bring professional visions to life.
For Architects & DesignersAchieve the designs you were told weren’t feasible. We fabricate custom decorative arches to your exact CAD specifications, from historically accurate replications to daring contemporary forms. We provide the technical partnership you need to realize your vision without compromise.
For Developers & BuildersMake your entrance unforgettable. A grand archway communicates permanence and prestige, elevating your brand for hotels, corporate campuses, banks, and retail centers. Our low-maintenance solutions are built to impress in high-traffic environments.
For Commercial PropertiesMake your entrance unforgettable. A grand archway communicates permanence and prestige, elevating your brand for hotels, corporate campuses, banks, and retail centers. Our low-maintenance solutions are built to impress in high-traffic environments.
For Luxury HomeownersCreate a statement entrance that defines your home’s character. Whether it’s a series of decorative garden arches or a majestic front entryway, our systems deliver the look and feel of solid stone with a faster, cleaner, and more cost-effective process.
Before and after:
a strategic transformation
Before:After:
The Challenge: A new commercial building had a functional but forgettable entrance. The flat, generic facade failed to project the high-end, established image the tenants desired, blending in with surrounding properties and lacking any architectural distinction. The developer needed a high-impact upgrade without the massive cost and structural rework of adding a precast concrete arch.
The Solution: We engineered, fabricated, and delivered a complete decorative arch and keystone system. The lightweight, pre-finished components were installed by a small crew in a single day, causing zero disruption. The design was tailored to complement the building’s existing lines, instantly adding a sense of grandeur and permanence.
The ROI: The property was transformed from a generic box into an architectural landmark. This powerful new entryway dramatically increased its curb appeal and perceived value, directly contributing to faster lease-ups at premium rates. This wasn’t just a cosmetic addition; it was a strategic investment that paid for itself.
An arch is more than an entrance—it's a statement
An entryway arch is the first and last thing your clients and visitors experience. It does more than frame a door; it frames their entire perception of your brand. A well-engineered arch instantly communicates authority, elegance, and attention to detail.
- Communicate Prestige and PermanenceA solid, monolithic arch adds an immediate sense of history and stability. It demonstrates an investment in quality that builds trust and credibility with clients, partners, and investors before they even walk inside.
- A Durable, Low-Maintenance AssetForget about cracking mortar or weather-stained concrete. Our arch systems are engineered with a polyurea shell to withstand harsh weather, UV rays, and time—staying beautiful for decades with virtually no maintenance. This low total cost of ownership is a smart financial decision for any property owner.
- Custom Design for Your Brand IdentityYour architecture is part of your brand. Our ability to create any shape, size, or finish means your entryway can be perfectly tailored to your brand's identity, whether it's classical and reassuring or modern and innovative. We can even integrate decorative keystones with logos or emblems.
Client testimonials
From your first idea to the final installation — our process is clear, fast, and designed to make every detail simple.
FAQ
Your essential design & spec catalogDownload Free Catalog
Get the definitive guide to our custom decorative architectural foam shapes. This free catalog is packed with hundreds of design profiles, detailed technical specifications, and real-world project applications.
Let's build something great together
Have a project in mind?
Our dedicated specialists are ready to collaborate with you, turning your concept into a detailed plan with a transparent budget. Let’s bring your vision to life!
More our solutions
We provide architects, builders, and homeowners with turnkey decorative elements that transform any project — fast, easy, and cost-effective.
Faux stone column wraps and lamp posts
Stucco mailboxes
Louvers and shutters
Exterior wall niches
Decorative moldings
Decorative trims
Sills and bands
Crown moldings
Commercial and residential cornices
Juliet balcony
Blog posts
5-minute read
How to choose exterior decor for a classic home
Why ready-to-install solutions reduce construction time and cut costs for developers. Real exampl…
5-minute read
Easy installation: Why pre-assembled solutions s…
Why ready-to-install solutions reduce construction time and cut costs for developers. Real exampl…
5-minute read
Made in USA: Why it matters for clients
Why ready-to-install solutions reduce construction time and cut costs for developers. Real exampl…
Your essential design & spec catalogDownload Free Catalog
Get the definitive guide to our custom decorative architectural foam shapes. This free catalog is packed with hundreds of design profiles, detailed technical specifications, and real-world project applications.
Let's build something great together
Have a project in mind?
Our dedicated specialists are ready to collaborate with you, turning your concept into a detailed plan with a transparent budget. Let’s bring your vision to life!