Trex Rain Escape is a unique under-deck drainage system a network of troughs and gutters keeps rain, spills and snow melt from dripping through elevated deck boards, creating a dry patio area on the ground level below. It can even be installed on an existing deck by removing the flooring before installation. Once the Trex RainEscape deck drainage system is installed, utilities can be added then covered with the soffit or ceiling of your choice.