Your boat is not only under attack from the elements; damage may also result from collision, abrasion and other mechanical damage. Fillers can be used for small scale repairs and picking the right one for the job is essential if the result is to last. Fillers are available with a number of different characteristics specific to how they will be used. Some boat fillers have been formulated for quick drying and easy repair characteristics on topside areas; other fillers require greater care having been designed as long lasting, water resistant fillers for use on the hull below the waterline