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Owner Chiancianesi & Longoni, Lugano
Design Architect Massimiliano Bonaldo and Claudia Mazzoli on behalf of Marco Chiancianesi and Daniele Longoni, with architectural supervision Source Project Manager SA
Engineering Edi Toscano SA, Lugano
Construction Boni+Foglia SA, Lugano
Waterproofing Drytech sa, Bedano
Drytech Tank 3’500 m²
PARCO CASTAGNOLA RESIDENTIAL COMPLEX, CASTAGNOLA / It is one of the most intriguing and risky architectural challenges: combining and bringing together classic and new. In the Parco Casstagnola residential complex, two architectural styles are reflected in each other but keep their own separate identity. They become a workable representation of two ways of living, which touch each other even though they are centuries apart.

Contact between the buildings is made via a discrete side walkway, partially hidden by the new building’s garden.

The old nineteenth-century building has maintained its features with the exception of the shutters which have been removed leaving room for full windows. The golden band under the roof has been renovated faithfully.

Behind the old building, seemingly separate, is the new building which is without doubt a twenty-first century building. The balconies, which in the period building are overhanging, are integrated into volumes which emerge from the facade standing out on the surface, thanks to inclined orientation and the stone covering.
On the contrary, some of the volumes above are set back from the main line of the facade, further contributing to movement which runs round the whole building.

The comforting charm of the traditional architecture, with its evocative power, establishes a connection with the warm functionalism of the new building, and the two styles feed off this contrast.
The complex has an underground garage on two levels, connected by a circular ramp. The flexibility of the DRYset system ensured that the special curved joints could be managed easily, perfectly fitting the profile of the ramp.

The Drytech Tank system involves the laying of channels for injecting cold joints. At the end of the curing period, the joints in the concrete were injected with expanding resin via the channels, filling and sealing all details through the whole thickness of the structure.

The installation of the channels (as well as the crack-inducers) and the sealing injections are done by Drytech technicians without affecting other activities on the construction site and do not depend on the weather conditions. This means that waterproofing can even be removed from Gantt charts.


Drytech® is the leading expert on waterproofing in groundwater for architects, engineers, building firms, estate agents and public agencies.

We have been specializing exclusively in waterproof structures and restoration activities since 1963, working directly on building sites throughout Europe.


Drytech International
+41 91 960 23 49