Crew members therefore must be trained not only in proper safety procedures but also in proper operation of the melter. Recent innovations in melter designs have greatly improved melter safety. These newly designed melters also reduce operator confusion. Digital temperature controls, the absence of flush clean up systems and perplexing timing of valves and rapid heat up times have given operators more precise control over sealing. This ease reduces costs, increases productivity and greatly improves safety.
Many melter manufacturers claim superior features and benefits for their equipment.
It is in your best interest to fully examine individual features and keep in mind not only the manufacturer's general reputation but the availability of parts and services. Product and service support often is important to on-time job completion. Twelve methods are outlined in the SHRP publication Materials and Procedures for Sealing and Filling Cracks in Asphalt-Surfaced Pavements . The success of each method is not only determined by configuration but also by cleaning technique and sealant selection. Sealants applied in routed cracks performed longer.