Projects / 3/12/2024

When a membrane makes all the difference

A round-up of prestigious building sites where products from the Purtop range were used

A series of prestigious buildings where the PURTOP range of waterproofing products has been used.

MASJID NEGARA NATIONAL MOSQUE, Kuala Lumpur (Malaysia)

Built to celebrate the country’s independence from Great Britain and inaugurated in 1965, the mosque is of a contemporary style and has been classified as a Class 1 Heritage Building by the city’s authorities. The substrates of the cupolas and pyramids were waterproofed in 2015 using PURTOP 1000 polyurea membrane.

ON-SHORE FISH FARM, Fredrikstadt (Norway)

Norway’s first ever on-shore fish farm has been built in Fredrikstadt and Mapei systems were chosen to waterproof the tanks and to treat the concrete water pipes connected to the water treatment plant. The substrates were treated with MAPEPRIMER M* epoxy primer before applying PURTOP 1000 membrane, which is suitable for contact with drinking water, has high waterproofing capacity and creates a very smooth surface which can help protect the fishes.

SPIRAL RAMP OF SAN GIORGIO BRIDGE, Genoa (Italy)

The spiral viaduct provides access for traffic coming from the western side of the bridge, which was designed by Renzo Piano, onto the A7 motorway towards Lower Piedmont and Lombardy. The deck of the access ramp was waterproofed by applying PURTOP 400 M SYSTEM DECK, a complete waterproofing system which is CE marked in compliance with ETAG 033 guidelines and included the use of PURTOP 400 M two-component, hybrid polyurea membrane.

FERENC PUSKÁS STADIUM, Budapest (Hungary)

Completed in 2019, this stadium is dedicated to the footballer, Ferenc Puskás. For the plant service rooms, a waterproofing solution was needed, one that could guarantee excellent tensile strength, tear strength and elongation capacity, as well as long-term resistance to leaking between the various levels of the structure. Which is why the PURTOP SYSTEM was used, which included the application of a coat of PRIMER SN epoxy primer on the substrate, a broadcasting of quartz sand over the primer and then application of PURTOP 400 M hybrid polyurea membrane.nce with ETAG 033 guidelines and included the use of PURTOP 400 M two-component, hybrid polyurea membrane.

PALAZZO BN, Lecce (Italy)

After a complete renovation of the building, this former branch of the Banco di Napoli bank is now an exclusive hotel. On the terraces on the top floor there is a large hanging garden with lawns and various trees. The roof was waterproofed by spray-applying PURTOP 1000 two-component, pure polyurea-based membrane.

BRAÇO DE PRATA, Lisbon (Portugal)

Braço de Prata is a large, luxury residential complex to the north of Lisbon designed by Renzo Piano. Apart from waterproofing the roofs, the system also had to be resistant to fire and have an attractive finish. And with PURTOP FR polyurea membrane it was possible to satisfy both requirements.