Clestra Hauserman is a French company for demountable partition systems and cleanroom solutions, founded in 1913 in Cleveland (Ohio, USA) by Earl F. Hauserman — a construction entrepreneur who, with his invention of the first removable office partition, established a category in interior fit-out that had not previously existed. One of the first buildings to be equipped with this new system was the Empire State Building in New York City. Hauserman subsequently built his first European factory in Strasbourg and opened branches in Germany, Belgium, Switzerland, the Netherlands, Italy, Great Britain, Ireland and Spain. The company participated in the largest international projects of its time, including King Saud University in Riyadh, Saudi Arabia, and in the 1980s began the "project of the century" in France: the La Défense business district in Courbevoie, Paris. This was followed by the founding of a cleanroom division and the opening of a factory in South Korea (Gumi) and a branch in Seoul. The company subsequently repurchased 100% of the shares in Hauserman USA to retain sole ownership. Today Clestra is a global group with 5 production plants and 16 subsidiaries and offices worldwide, plus more than 50 agents and representations. In 2020 the Clestra Hauserman Group founded a subsidiary (CLESTRA KSA) in Saudi Arabia; representative offices also exist in the UAE, Qatar, Kuwait and Oman.
Product range and competences: Clestra Hauserman designs, manufactures and installs prefabricated demountable partitions in steel, glass, wood and composite materials — fully reversible, without loss of the original acoustic and fire protection performance parameters. Product categories: demountable partitions (workspace), doors, operable walls, PODs (freestanding spatial units requiring no planning permission), cleanroom partitions and ceilings, fire-rated door systems, bespoke fit-outs. Digital competence: own digital planning expertise for workspace and cleanroom. Sustainability profile: all systems contribute to internationally recognised building certifications (BREEAM, LEED, HQE). Reference projects (selection): King Saud University Riyadh; King Fahad University of Petroleum & Minerals; King Abdullah University of Science and Technology (KAUST); ARAMCO Saudi Arabia; ADNOC Offices Abu Dhabi; Qatar Petroleum Buildings; Qatar New Port Doha; Saudi Industrial Development Fund Headquarters Riyadh; King Abdulaziz Center for World Culture Dhahran; new Muscat International Airport. In Saudi Arabia and Kuwait alone, more than 500 linear kilometres of Clestra partitions have been installed in the educational sector.
For architects and workplace planners seeking a partition system for office, educational, healthcare and cleanroom projects — one that has defined the category of demountable office partitions since 1913, permits complete reconfiguration of buildings without loss of acoustic and fire protection performance, contributes to BREEAM and LEED certifications, and documents a global infrastructure ambition through references from La Défense to KAUST — Clestra Hauserman is the most reliable European address in the modular space division segment: a house that has demonstrated for over 110 years that flexibility and high performance are not in contradiction.