

The asphalt industry has searched for years to find ways to extend the life of asphalt pavement. New mix designs significantly improve the performance but are still subject to the ravages of water and U.V. Asphalt historically has been relatively inexpensive, selling for $20 a ton 5 years ago. However, the escalation in the price of oil has tripled the price. Asphalt is an excellent paving product but has significant environmental weaknesses that give it a limited lifespan. There are serious environmental issues with the heat produced by asphalt that has a negative impact on the Urban Heat Index. Due to its black color, asphalt absorbs heat from the sun and retains it for long periods. This causes a significant increase in the heat index in the surrounding urban areas and contributes to global warming.
In their search to extend the life of asphalt pavement, the industry has been forced to use topical sealers that are temporary at best, and are mostly for cosmetic purposes. Some of these sealers are highly toxic and are on the way to being banned. Therefore the asphalt Industry is in need of the following: