Waterproofing Service business. Help protect your clients' property from the elements with a waterproofing service. Business Overview Starting a waterproofing service for residential homes means that you can specialize in one or two particular types of waterproofing, such as concrete foundations or solariums. Or, the service can focus on waterproofing solutions in general for residential homes. Waterproofing services can be promoted and marketed to both residential homeowners...