Build skills
Technical Training
Pavement distress, surface prep, materials, and doing the work right.
3 items
FHWA Pavement Preservation
FHWA's pavement preservation site explaining the preservation approach, treatment types, and when each is appropriate. Crack sealing, sealcoating, and thin overlays are preservation treatments, and this is the public source that describes them. Estimators and owners can use it to explain the value of preservation to customers.
Minnesota Statute 116.202: Coal Tar Sealant Restriction
The Minnesota statute restricting the sale and use of coal tar-based sealant products. It is an example of a state-level restriction that sealcoating contractors must check before choosing a product. Rules vary by state and city, so confirm your own jurisdiction.
USGS: Coal-Tar-Based Pavement Sealcoat and PAHs
USGS research summary on coal-tar-based sealcoat as a source of polycyclic aromatic hydrocarbons in the environment. Several states and cities restrict or ban coal tar sealers, and customers ask about it, so contractors should know the science behind the debate. This page is research, not a regulation.