Mayfair By The Sea 8 is another seaside residential development by Sino Group . It consist of 3 towers and provides 528 units . Area from 490 to 1 , 740 square feet which designed into 2 – bedroom to 4 – bedroom The developer specified Caltite System for a whole tanking protection for the one – level basement to cover the pile cap , slab and wall . The design for basement eliminated the use of membrane and cavity wall . Caltite system is used in the swimming pools as well . In general Sino has chosen Caltite system for the long – term reliable and low – maintenance waterproofing protection .