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Your Trusted Source for Architectural Building Supplies
Patterson Whittaker Architectural Profiles has been a leader in architectural detailing for over two decades, combining historical design principles with modern technology. Our lightweight, durable products address the limitations of traditional materials like precast concrete, wood, and GFRC, offering cost-effective, easy-to-install solutions for residential and commercial projects. With a commitment to innovation, we developed proprietary EPS-based products coated in reinforced cement, ensuring weatherproof durability and aesthetic versatility.

Our teams expertise in material science and architectural design enables us to deliver products that meet the highest industry standards while reducing long-term maintenance costs. As a Canadian-based company, we prioritize local manufacturing and community support, ensuring all products are crafted sustainably with recyclable materials. Our global reach, paired with personalized service, positions us as a trusted partner for architects and contractors seeking reliable, high-quality architectural solutions.
Services
Precast Concrete Alternatives GFRC Products EPS Mouldings Wood Mouldings Stucco Shapes Custom Architectural Details Installation Materials Parapet Systems Cornice Systems Decorative Trim
Highlights and features
  • We have over 20 years of experience in architectural detailing.
  • Our patented installation systems reduce labor costs.
  • We guarantee 100% satisfaction with our products.
  • Our team provides expert guidance from design to installation.
  • We support local businesses and manufacture locally.
Associations and certifications
  • RADCO
What people say
Extremely helpful Best products Quick installation Wonderful help Dramatic details
Services
Precast Concrete Alternatives
Our EPS-based precast concrete alternatives offer lightweight, durable solutions for architectural detailing. These products mimic the appearance of traditional concrete while reducing shipping and installation costs. Ideal for cornices, columns, and wall panels, they provide seismic resistance and weatherproof durability without compromising aesthetic appeal.
GFRC Products
GFRC alternatives combine EPS cores with reinforced cement coatings to replicate the strength and texture of traditional GFRC. These lightweight products are easier to handle and install, making them ideal for large-scale projects requiring intricate detailing without structural reinforcement.
EPS Mouldings
Custom EPS mouldings provide cost-effective, versatile solutions for interior and exterior architectural details. Our factory-coated products resist weathering and UV damage, offering a stone-like finish that requires minimal maintenance over decades of use.
Wood Mouldings
Our wood moulding alternatives eliminate common issues like rot and warping. These lightweight, durable products replicate the look of carved wood while offering easier installation and long-term resistance to moisture and pests.
Stucco Shapes
Pre-coated stucco shapes simplify the creation of complex architectural features. Designed for seamless integration with stucco wall systems, these products reduce labor costs and ensure consistent, professional results without field finishing.
People
Mike LeBlanc
Founder
Mike LeBlanc pioneered machine-coated foam shapes globally and has led Patterson Whittakers innovation for 20+ years. His expertise in material engineering drives the companys development of lightweight, durable architectural solutions.
Questions
What materials do Patterson Whittaker products use?
Our products use expanded polystyrene (EPS) cores coated with reinforced cement, offering lightweight durability and a stone-like finish.
Are your products suitable for exterior use?
Yes, our weatherproof materials withstand extreme temperatures, UV exposure, and freeze/thaw cycles for long-term outdoor performance.
How do your products compare to precast concrete?
Our alternatives are lighter, cheaper to ship, and easier to install without structural reinforcement, while maintaining similar aesthetics.
Do you offer custom designs?
Yes, we provide custom fabrication services for unique architectural details, ensuring precise dimensional accuracy and design intent.
What warranty do you provide?
We offer a 2-year limited warranty covering defects in materials and workmanship when installed with approved materials.