Asphalt can be characterized as consisting of two phases: a hard and brittle “asphaltene” component dispersed in an oily and resinous “maltene” fraction.” However, not all rejuvenators ...

Shell's researchers developed a two-stage mixing solution, called the WAM Foam process, in which a hard asphalt component is steamed into a soft asphalt component. The result is an intermediate ...

One challenge with using RAP is that its properties vary significantly. RAP typically looks black, since they are fully coated in asphalt. Researchers have a hard time visually inspecting them to ...

Recycled roofing shingles can make an ideal ingredient in hot mix asphalt pavements. Unless you have been living in a cave for the last 20 years, you are aware that the U.S. has a significant landfill ...

Heat risk studies show a need to greatly increase our tree canopy to keep our city cool. But the places that need it most are ...

Asphalt shingles will be going up in price as they're made with Canadian oil Many composite manufacturers won't be affected as raw materials, manufacturing is in the US Steel and aluminum tariffs ...