Durably elastic spray mass produced on the basis of symthetic resins and caoutchouc. Owing to high level of solid particles it does not changes its surface structure after drying. It is designed for visual restoring of original, factory structure of spray sealing applied on welded joints and also for silencing of chassis of passenger cars and buses. It has very good rust-inhibitive properties. After drying can be covered with all types of topcoats.