However, these are parts of the house deemed extremely vulnerable to damage caused by constant movement and exposure to water and moisture. And with heavy rainfall or super typhoons now a recurring threat in the country, these areas must undergo waterproofing right from the start of construction with Optimum Flex, a sturdy and flexible cement-based waterproofing solution from Jardine Distribution, Inc.’s (JDI). Doing so will help waterproof these structures against potential damage and save you from costly and time-consuming repairs.