Road American
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How do lifecycle cost and environmental impact compare between asphalt emulsion and coal tar systems?
Asphalt emulsions often have lower compliance and cleanup costs and reduced environmental liability in markets that regulate PAHs. Coal tar systems can deliver strong durability and chemical resistance in some conditions, but they may incur higher regulatory risk, disposal complexity, and restrictions on use. Lifecycle cost depends on expected recoat intervals, labor, and traffic downtime. In many municipal and commercial settings, asphalt emulsion wins on total risk adjusted cost even if initial performance needs careful selection of solids content and additives.
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