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Case Studies & References

Medicine

Cardiology Clinic Filip Vtori

The air duct systems of the newly built cardiosurgery "Filip Vtori" were strongly leaky, caused by the quality of the air ducts and their installations. Many rooms didn't receive a sufficient amount of air. Also, hygienically problems ...

Reduction of leakage: in between 93 and 98%
City: Skopje
Country: Macedonia

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Merkurhof

In Rapperswil at Lake Zurich a residential/commercial/hospital building is currently being built. The very high demands to air tightness were only just missed in this project. The intervention with MEZ-AEROSEAL helped...

Reduction of leakage: 72%
City: Rapperswil
Country: Switzerland

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Christian-Doppler-Clinic and care centre

End of 2016, there was a fire in the care centre of Christian-Doppler-Clinic in Salzburg. Supply and return air ducts in the affected area became leaky through the fire and had to be remediated. Since intense duct cleaning was necessary due...

Reduction of leakage: 97,5% resp. 88,4%
City: Salzburg
Country: Austria

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Maternity Hospital

The air duct system of the maternity hospital consists of rectangular and circular sections. Air tightness class C was specified for the duct work in the operating rooms and the technical rooms. Nevertheless, tightness tests ...

Reduction of leakage: 94,7%
City: Paris
Country: France

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Retirement home

The retirement home "Franziskus" was completely renovated. Some of the old ducts run and air handling unites were reintegrated into the new structure because of cost concerns. After the renovation, one of the reused air handling...

Reduction of leakage: 89,3%
City: Linz
Country: Austria

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Nursing home and community centre

In the new construction of the "Nursing home and community centre Ottnang", the kitchen exhaust and a second system, consisting of supply and return air, were sealed with MEZ-AEROSEAL. Even though the quality of the air...

Reduction of leakage: 88,8% and 96,2%
City: Ottnang
Country: Austria

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Ambulatory Clinic Domont

After several attempts to improve ductwork airtightness and after airtightness testing through a certified expert (QUALIBAT 8721), an average leakage rate of airtightness class A was determined. At the beginning of the Aeroseal ...

Reduction of leakage: 93,4 % in average
City: Domont
Country: France

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Hospital Wels

In the hospital in Wels/Austria, the fans of an air duct system built in 2002 were exchanged. In this context, the main ductwork sections were brought to the current state-of-the-art level concerning airtightness ...

Reduction of leakage: 96 % in average
City: Wels
Country: Austria

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Education

EPFL Lausanne

EPFL in Lausanne is a University for engineers and architects and was founded in 1969. It includes 5 schools, 2 Colleges, 1 Transdisciplinary Entity, 28 Institutes and 354 laboratories. MEZ-AEROSEAL was used to seal 3 floors of...

Reduction of leakage: 94,1%
City: Lausanne
Country: Switzerland

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University of Nanterre

During the commissioning of the installations (25 "chimneys" including 168 riser ducts made of Promat / caclium silicate), the customer measured leakages of 50% in between the fans and the outlets. After that, the customer...

Reduction of leakage: 92,2%
City: Paris
Country: France

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Nursery Les Ulis

The air duct systems of the building were tested on tightness well after the delivery of the new construction. The test results showed that the system were considerably leaky and that tightness targets could not be met...

Reduction of leakage: 92,3%
Ort: Essonne
Land: France

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Campus Institut Mines Télécom

After several attempts to improve ductwork airtightness and after airtightness testing through a certified expert (QUALIBAT 8721), an average leakage rate of airtightness class A was determined. At the beginning...

Reduction of leakage: 96.9%
Ort: Paris
Land: France

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Wifi St. Pölten

The WIFI building in St. Pölten had massive problems with odour nuisances at an existing exhaust air duct. A traditional sealing approach (manual sealing with sealant, tape, clamps, etc.) was not possible...

Reduction of leakage: 96.6%
Ort: St. Pölten
Land: Austria

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Industry

Digiplex Data-Center

The Digiplex Data-Center in Fetsund near Oslo is an ultramodern server farm with a total surface of 4.200 m2. The two three-storey, air cooled buildings, have a capacity for 40.000 servers. For fire prevention reasons, the level of...

Reduction of leakage: approx. 85 - 93%
City: Fetsund
Country: Norway

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IST METZ Group

IST METZ Group in Germany erected a new production site with a total surface of 4.900 m2. The duct systems in the ground floor and the second floor didn't meet the tightness class specifications. They were sealed...

Reduction of leakage: 96,8%
City: Nürtingen
Country: Germany

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Laboratory building EBEWE SANDOZ

The main lines of the air duct system "Inspection" were sealed with Aeroseal in EBEWE Sandoz' production facility in Unterach/Austria. The target was to increase the...

Reduction of leakage: 97,5 % (Supply air with 114 m²) resp. 95,2 % (Return air with 140 m²)
City: Unterach
Country: Austria

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Office building Gentilly

After several attempts to improve ductwork airtightness and after airtightness testing through a certified expert (QUALIBAT 8721), an average leakage rate of 1.5 times worse than airtightness class A was determined...

Reduction of leakage: 93,6% in average
City: Gentilly
Country: France

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Office building Neuilly

The office building was subject to extensive renovation work. After several attempts to improve ductwork airtightness and after airtightness testing through a certified expert (QUALIBAT 8721), an average leakage rate...

Reduction of leakage: 86,4 % in average
City: Neuilly
Country: France

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Office building Paris

The office building was subject to extensive renovation work. After several attempts to improve ductwork airtightness and after airtightness testing through a certified expert (QUALIBAT 8721), an average...

Reduction of leakage: 89 % in average
City: Paris
Country: France

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Office building

The air duct systems of this new construction office building are mostly rectangular, highly branched, relatively flat and mounted behind a drop ceiling with a height of only 30 cm. Tightness tests showed the average leakage of...

Reduction of leakage: 88,2% on average
City: Boulogne-Billancourt
Country: France

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Adminstration building Bordeaux

French MEZ-AEROSEAL partner MapClim was charged with the improvement of indoor air quality (IAQ) of the administration building of the Conseil Général de la Gironde in Bordeaux, France. In the context of an...

Reduction of leakage: 92%
City: Bordeaux
Country: France

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Office building Lyon

Aeroseal professional MAPCLIM from France was assigned with this project, after airtightness tests in the building had shown that the required airtightness class B of the ductwork was not achieved. The office building...

Reduction of leakage: 94% in average
City: Lyon
Country: France

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Gastronomy

Chinese restaurant Chen Miaofen

The chinese restaurant is located in the ground floor of a newly constructed building. The exhaust air duct was sealed with Aeroseal. In order to avoid unpleasant odours, the target was an air tightness class C according...

Reduction of leakge: 98%
City: Leonding
Country: Austria

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Xu Atrium

A new chinese restaurant opened in the Atrium City Center in Linz/Austria. The requirements about the airtightness of the exhaust air were particularly strict. Instead of the very clean execution of the installation, the ...

Reduction of leakge: 70%
City: Linz
Country: Austria

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Restaurant Paragraph

The kitchen exhaust duct of the Swiss traditional restaurant "Paragraph" was causing odour nuisance in the appartments above. Manual sealing efforts were not an option due to limited access to the duct work...

Reduction of leakage: 100%
City: Rapperswil
Country: Switzerland

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Housing

Newly constructed residential building

In a newly constructed residential building in Feldkirch / Austria, the exhaust air of an extractor fan was integrated in the floor of the overlying appartment. The rectangular duct's dimensions were 220/55 mm. Despite...

Reduction of leakage: 100%
City: Feldkirch
Country: Austria

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Multi-family building Effretikon

In a multi-family building in Effretikon/Switzerland, a tenant felt uncomfortable because of smoking odor in his flat. The tenant of the flat below is a heavy smoker and uses the kitchen exhaust air for smoke extraction...

Reduction of leakage: Average 96,4 %
City: Effretikon
Country: Switzerland

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Residential building Karlsruhe

In this project, the task was to "aeroseal" the exhaust air installations (kitchen/bath) of two big residential buildings owned by Volkswohnung GmbH in Karlsruhe (64 apartments in total). The newly installed...

Reduction of leakage: 94% in average
City: Karlsruhe
Country: Germany

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Residential building in Vitry sur Seine

When testing the air tightness of the building's duct work, the customer discovered that the requested air tightness class B was not met. French MEZ-AEROSEAL partner MapClim was charged with...

Reduction of leakage: 75,4%
City: Vitry sur Seine
Country: France

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