We help residential and businesses on Long Island with basement waterproofing and sealing. Properties with basements generally have problems with moisture that stems from leaks in floors and walls. If they’re not addressed, they can lead to much greater issues that are even more expensive to fix. In some cases, they may even put your health and safety at risk. To safeguard you from such risks, Rainbow Waterproofing offers you a wide range of solutions to help with all your basement waterproofing needs.