1847 The Burger company is founded in Alsace (France)
1988 Architecture du Bois (ADB) is created
2005 An international patent is issued on the Grad™ Clip
2008 The Grad™ Clip wins the Gold Reward in Geneva (Switzerland)
2008 Grad™ receives The Lepine prize in Paris (France)
2014 ADB develops a unique aluminum rail used for production
2016 BURGER & Cie take ADB over
2019 BURGER & Cie use plastic injection machines and aluminum rails
2020 Grad Concept Inc. is set up in Delaware, USA

It all begins in Alsace, France It started from our dreams

The company expandsOur team is growing dynamically

The Grad™ Clip is issued with a patent And the company invests in experts

The Grad™ Clip wins The Gold Reward in Geneva At the International Exhibtion of Inventions

We win. We achieveFrom humble beginnings to prize winners

ADB set the standardFor new industry advances

The business expands ADB is bought by BURGER & Cie

BURGER diversify production For customization with Grad™ products

Building Is Our Venture

BURGER & CIE has always been driven by a bold passion to seize opportunities, betting on innovation to develop a unique savoir-faire in the conception of solutions that sublimate outdoor and indoor designs. At BURGER, it starts with the selection of the finest raw materials and the most talented people to create those teams that will help you create signature projects through its exclusive brands.

Global Expansion
BURGER's brands are represented through a global network spanning hundreds of partner companies across the world, but 170 years after its debut, this is the first time the company expands its operations across North America with Grad Concept Inc. in Wilmington, DE, USA to deliver tailored solutions to our USA/CA customers.

100% Innovative & Solution-oriented
Grad Concept Inc., USA, is entirely dedicated to the distribution of all Grad™ product range:

  • Grad™ can be combined with tiles, ceramics, pavers, wood, Ipé, tropical woods, wpc, bamboo, or aluminum board
  • Grad is for vertical or horizontal use
  • Boards or tiles are snapped, not screwed on, for easy and fast installation
  • No need for screws, drilling, or measuring gaps: boards are perfectly aligned and gaps respected in a snap!
  • Access the subdeck at anytime with a simple set of keys that removes boards one at a time: perfect for rooftop deckings!

BURGER & Cie.The Group:

Turnover 2021


Fixing system for cladding, ceiling and decks.


Turnover 2021

Jardipolys + Kordo€49 M

Grad concept INC (2022) US$450 K

Our Values

BURGER & Cie and Grad™ Concept USA are placing the well-being of people and care for the environment at the core of their business concerns supporting local communities and sourcing the best quality materials for maximum durability and safety so that the actions of today contribute to a better world tomorrow.

Who we are

Grad™: patented clip system for cladding, ceiling, and deck applications

Grad™: the complete system for decking application

Burger: French HQ in Lièpvre

Burger: a family story and a savoir-faire

More than just a company, Burger is a team of talented and passionate individuals

Grad™: patented clip system for cladding, ceiling, and deck applications