Stone Chip Undercoating Protector Our Stone Chip Protector is a rubber-based protective undercoating for repairing and protecting rocker panels and other vulnerable vehicle areas. It offers durable rust-protection, sound deadening properties and high corrosion resistance. Stone Chip Protector is suitable for an effective under body and stone chip protection to the vehicle body and convinces with its excellent final performance. Original texture can easily be reproduced. Stone Chip Protector shows a good over paintability performance.A tough coating remains after drying, protecting metal from impact and corrosion. Durable coating contains nitrile rubber to protect against chips, water and corrosion Easy application with no running or dripping Good abrasion, impact and road salt resistance Various finishes achievable flexible in low temperatures bears excellent sound deadening qualities. Our undercoat is paintable. Q&A Q: What is approximate square coverage? A: 1 Liter / 1 kg Covers 20 to 25 square ft. This depends on how light or heavy coat is applied. Always apply on clean and dry surface. YouTube Videos .