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Construct, in the dry and underwater, waterproofing protection systems on all types of hydraulic, civil, underground and environment protection structures, using synthetic watertight geomembranes.

Who we are

Carpi, established in 1963 has celebrated 50 years in business and is the oldest company in the world dealing with synthetic geomembranes for hydraulic structures. Carpi has the longest and largest record in the world for geomembranes installations in hydraulic structures, with geomembranes systems on 135+ large dams, 50+ canals and hydraulic tunnels, 30+ reservoirs. Carpi holds all world records for installation of geomembranes systems on high dams: Bovilla rockfill dam, 91 m, highest rockfill dam with a geomembranes as only waterproofing element, Miel I RCC dam, 188 m, Alpe Gera concrete gravity dam, 174 m, Lost Creek arch dam, first underwater installation of a geomembrane system on a dam.
Carpi geomembranes and geomembranes systems have been validated among others by the U.S. Army Corps of Engineers (USACE), Hydro Québec, and ICOLD, the International Commission on Large Dams.
Carpi has experience both as main contractor managing the entire project and as specialist sub-contractor.

Carpi’s typical customers are owners and consulting engineers who require investigation and advice to correct leakage or infiltration problems.

In 50 years of activity Carpi has completed projects worldwide, in environments ranging from mountainous regions and northern countries to equatorial, tropical and desert regions, from the Alps to the Equator.

What we do
Carpi provides design, supply and installation of waterproofing and protection geomembranes systems on:

Dams, all types (gravity, buttress, arch, multiple arches, Roller Compacted Concrete, embankment, cofferdams)

Forebay and afterbay reservoirs, water storage basins, pumped storage basins, floating covers, potable water storage structures

Free-flow canals and tunnels

Pressure tunnels, surge chambers, access shafts

Tunnels for water supply and sewage discharge

Civil works (foundations and roofing, bridge decks, highway, subway and railway tunnels)

Municipal solid waste, industrial waste, hazardous waste landfills, cappings

Synthetic diaphragms against pollutants

Where we are
Carpi has branches and representative offices in:


Czech Republic
The Netherlands






New Zealand

Carpi and Carpi staff are currently members of National and International Associations, among which :

SCD, the Swiss Committee on Dams
IHA, the International Hydropower Association
BDS, the British Dam Society
ICOLD, the International Commission on Large Dams
ASDSO, Association of State Dam Safety Officials
IGS, the International Geosynthetics Society
ITCOLD, the Italian National Committee on Large Dams
ICE, the UK Institution of Civil Engineers
CFBR, the French Committee on Dams and Reservoirs
USSD, the United States Society on Dams
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