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Waterproofing of a new residential building in Rozzano

Impermeabilizzazione del terreno

Description of the soil waterproofing project in Rozzano

The waterproofing of a new residential structure in an area where the groundwater could interact with the structure’s foundation required the use of a mixed solution, based on both bentonite products (bentonite sheets) and elastic waterproofing mortars.

The construction site in question also required (given the proximity to pre-existing structures) the creation of pilings to reinforce both the excavation and the new construction.

The flexibility and ease of use of PROIND S.r.l.’s bentonite products and mortars also allowed them to be adapted to seemingly complex solutions such as this one. Last but not least, all these solutions were implemented with a focus on safety on the construction site, thus avoiding the use of open flames and using products that any contractor can easily employ.

Materials used for waterproofing

Impermeabilizzazione del terreno

In fondazione sono posti in opera i teli bentonitici BENTOGEO GRIP TG (con certificato CE di conformità del controllo della produzione in fabbrica N. 1982 – CPR – 538 e Dichiarazione di Prestazione (DoP) secondo la UNI EN 13491). Per quanto riguarda le porzioni verticali (palificata) sono stati utilizzati i teli BENTOGEO GRIP TP (più leggeri e comodi nel loro utilizzo ma che analogamente sono certificati CE con Certificato di conformità del controllo della produzione in fabbrica N. 1982 – CPR – 538 e Dichiarazione di Prestazione (DoP) secondo la UNI EN 13491). Lungo i giunti da ripresa di getto è stato posato il GIUNTO BT 100 mentre la bentonite in pasta BENTOPASTA è stata impiegata per le zone di raccordo e sigillatura.

È stata posta in opera la “cappa di protezione” con calcestruzzo di circa 5cm sopra il telo bentonitico (come potete vedere nella foto precedente) al fine di proteggere il telo stesso posato: tutto questo sia in vista di potenziali piogge imminenti sia per le operazioni di movimentazione della rete di armatura il tutto unito al calpestio dei posatori). Ovviamente lo spessore della platea di fondazione è stato opportunamente dimensionato dal progettista.

Impermeabilizzazione murature esterne

Waterproofing of external walls with elastic mortar

As regards the waterproofing of the external walls, the designer specifically requested a solution using waterproof elastic mortar: the technical solution was found with the two-component mortar SIRIOBETON FLEX/M. This mortar did not undergo deformation even when applied in high external temperatures and has high resistance even 24 hours after application. It maintains positive buoyancy and is easy to apply (as also evidenced by the photographic documentation).

Impermeabilizzazione
Impermeabilizzazione murature esterne

Advantages of waterproofing with Proind products

The waterproofing project performed with Proind products at the Rozzano construction site has yielded significant benefits for the protection of the new residential structure. Thanks to the use of bentonite sheets, which are particularly resistant to atmospheric agents, the system ensures long-lasting protection against infiltration and water damage. Furthermore, the use of elastic mortar as an additional protective layer helps maintain the structure’s insulating properties, increasing energy efficiency. With solutions compliant with current regulations and procedures that meet high quality standards, Proind products ensure long-lasting interventions that reduce the need for future maintenance, offering a sound investment in the protection and stability of the building.

Nuova palazzina Rozzano
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