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Meet the underwriters of the 2022 Traditional Building Conference Series.

Find out how you can join this team of industry experts who are committed to traditional building education and training. 



Pilkington North America
Pilkington North America manufactures and markets glass and glazing products for the architectural markets.

Allied Window

Allied Window
Allied Window is a manufacturer of "invisible" custom aluminum storm windows for historic and other renovation projects on commercial or residential buildings. Their products have been used extensively on historically certified projects, including Faneuil Hall and The Old State House in Boston, which are owned by the National Park Service.


Ludowici is the premiere manufacturer of clay tile roofing, which can be supplied in a variety of styles, sizes, textures and finishes. Ludowici offers a large variety of colors from our standard product line as well as color customization.

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Historical Arts and Casting
For over thirty years, Historical Arts and Casting has been actively involved in the design, manufacturing and installation of ornamental metalwork in the United States and abroad.


Cold Mountain Custom and The Mixlengo Group
Cold Mountain Custom and The Mixlengo Group have partnered to distribute The Mixlengo Groups custom Italian Doors, Windows and other Fine Fenestration products to the United States.

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If you are looking to preserve your historic home or if you are on a committee and you are looking for a solution for inferior wood products, contact the specialists at Aeratis

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Oliveri Windows + Doors
Oliveri Millworks is a multi-generational family-owned business, producing and supplying the finest quality wood, steel, stainless steel windows and doors.


Mon Ray
Since its beginning in 1947, Mon Ray has only been involved in manufacturing high performance, value-added aluminum window and door products. Product line includes DeVAC windows, Mon-Ray storm windows and doors, and Glasswalls porch enclosures.


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At Marvin, we are driven to imagine and create better ways of living. With every window and door we make, we strive to bring more natural light and more fresh air into homes, and to create deeper connections to the natural world. We put people at the center of everything we do by designing for how people live and work and imagining new ways our products can contribute to happier and healthier homes.



Rugo Stone

Rugo Stone routinely employs over 120 employees, and works throughout the entire Mid-Atlantic region for some of the nation’s most acclaimed architects, churches, developers, construction managers, and private homeowners. Rugo Stone delivers highly detailed marble and granite fabrication, complex stone shop drawings, and detailed engineered support systems, along with rigorous scaffold and rigging challenges, in an environment of progressively shorter lead times.

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Cathedral Stone Products, Inc. 

Cathedral Stone Products began restoring masonry the "right way" over 30 years ago when company founder, Dennis Rude, discovered JAHN Restoration Mortars in Europe. He'd gone there to search for a solution to the failures he'd seen working as a stone mason in and around Washington, D.C.


The Cooper Group

The Cooper Group designs, manufactures and restores historical wood & steel windows. Also manufactures their own restoration cylinder glass in house. Offers insulated glass units with heat mirror technology, providing energy-efficient, historically accurate windows.



Everything starts with the dream. Envisioned and interpreted by artist Louis Beltran and the design team with special attention to details, visual harmony and proportion. The vision is drawn to detail by Belt's architects and design developers. The designs are transformed by their craftsmen and experts into magnificent art pieces.


Duration Moulding and Millwork

Duration grew out of a simple need back in 2012... a responsive supply source for moulding and millwork products that would complement existing TruExterior poly-ash composite trim and siding products. Early experimentation with milling and laminating techniques led to refined practices, specialized machinery and equipment, and an overall commitment to quality and consistency that resulted in DURATION being acknowledged as a registered trademark for poly-ash millwork in 2017. 

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Haddonstone is a world-leading manufacturer of high-quality architectural stonework and garden ornaments with factories and showrooms in both the UK and Colorado. Our experienced team works with leading house builders and developers, contractors and private customers around the world, supplying fine cast stonework to developments of all sizes and specification. 


Wilmette Hardware

Wilmette works closely with architects, designers, and homeowners to create amazing hand-crafted architectural metal works that are truly second to none.


Cambek Designer Doors

Cambek™ creates timeless and enduring custom entry doors, garage doors, and matching millwork. Previously known as Designer Doors®, Cambek is the new name for a company that has been recognized for its custom craftsmanship for more than thirty years.


Kolbe Windows & Doors

Manufacturer of made-to-order windows & doors: extensive product lines and custom capabilities to provide traditional details & historical replication; extruded aluminum-clad, wood & vinyl energy-efficient windows & doors.


Hedrick Bros. Construction

General contracting & construction firm: for historic preservation, educational, municipal, commercial, retail, religious & LEED/sustainability construction projects; since 1979.


Hearthstone features an unmatched ability to create any imaginable style of custom, luxury, handcrafted Heavy-Timber or Log-Based Home or Commercial Structure. Nobody in the world has the reputation, capacity, and experience —in one company— to deliver as we can.

Find out how to become a sponsor of the Traditional Building Conference Series!

Past Attendees Include:

Robert Stern Architects

Historical Concepts

Peter Pennoyer Architects

John Murray Architects

Fairfax Sammons

Einhorn Yaffee Prescot

Quinn Evans Architects

Glave Holmes

Schooly Caldwell Architects

Barnze Vanze Architects

David Schwartz Architects

Shope Reno Architects

The Architect of the Capitol

The National Park Service

U.S. Department of State

U.S. Department of Defense

General Services Administration

Princeton University

Duke University


Amer College of the Building Arts

S.C Historic Preservation Office

N.C. State Historic Preservation Office

Past Webinar Attendees Include:

Texas Historical Commission

City of Jacksonville

N.C. State University

Historic Santa Fe Foundation

U.S. Army

City of Hattiesburg MS.

Historic Rehab Contractors Inc.

Metropolitan Restorations Company Inc.

Bell Architects

City of Auburn AL.

Vanderbilt University

Johnson Laskey Architects

Vanccouver Heritage Foundation

Weslyan University