Bridge Preservation Integrated Ballast Mat is a spray applied layered protection course designed to provide seamless, high build protection of the waterproofing system. Bridge Preservation Integrated Ballast Mat is designed to work in combination with Bridge Deck Membrane waterproofing, creating a seamless waterproof membrane and secondary ballast protection course for use in demanding applications that require additional protection against ballast impact. Bridge Preservation Integrated Ballast Mat is a field applied, multi layered ballast protection course that incorporates proprietary filler and resin to achieve a high build protective finish. Bridge Preservation Integrated Ballast Mat is a superior high strength, high build, elastomeric ballast protection course designed for both concrete and steel rail bridge structures.