SENAYAN SQUARE COMPLEX is a mixed use development in Central Jakarta, Indonesia. There are 3 Office Towers, 4 Apartment Towers, Department Store, Hotel, 3 Car Park Buildings and Water Features. PT. Senayan Trikarya Sempana, the owner of Senayan Square Complex is one of Cementaid regular clients in Indonesia. The owner together with their consultants and contractors were previously using membrane but were convinced to use CEMENTAID Hydrophobic Pore-blocking Ingredients (HPI) since 1996 up to 2012. The owner is satisfied with the performance of HPI products since 1996 and continuously the reliable HPI until the last building was constructed in 2012. The owner is particularly happy because they were able to complete the projects much faster as time consuming membrane applications were eliminated. The owner realized additional income due to early completion of apartments, office towers, hotel, car park buildings and Department Store. The owner also saved bank interest payments as a result of shorter construction time. The contractor also saved operational expenses due to shorter construction period. The following are the building structures which had used HPI Systems. Living Zone (Towers I & II), Business Zone and Annex, Office Tower I, Senayan Square Department Store and Car Park, Living Zone (Swimming Pool), Water Feature Basin (Fountain), Office Tower I, II & III, Apartment Tower C & D and Car Park Building & Fairmont Hotel and Car Park Building.