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  2. Sealcoat - Wikipedia

    en.wikipedia.org/wiki/Sealcoat

    Again, refined tar-based sealer offers the best wear characteristics (typically 3–5 years) while asphalt-based sealer may last 1–3 years. Petroleum-based sealer falls between refined tar and asphalt. There are concerns about pavement sealer polluting the environment after it is abraded from the surface of the pavement.

  3. Chipseal - Wikipedia

    en.wikipedia.org/wiki/Chipseal

    Chipseal (also chip seal or chip and seal or spray seal) is a pavement surface treatment that combines one or more layers of asphalt with one or more layers of fine aggregate. In the United States, chipseals are typically used on rural roads carrying lower traffic volumes, and the process is often referred to as asphaltic surface treatment .

  4. Road surface - Wikipedia

    en.wikipedia.org/wiki/Road_surface

    Cold mix asphalt is often used on lower-volume rural roads, where hot mix asphalt would cool too much on the long trip from the asphalt plant to the construction site. [18] An asphalt concrete surface will generally be constructed for high-volume primary highways having an average annual daily traffic load greater than 1,200 vehicles per day. [19]

  5. Otta seal - Wikipedia

    en.wikipedia.org/wiki/Otta_seal

    Otta seal is a type of bituminous surface treatment that was developed by the Norwegian Road Research Laboratory (NRRL). Its name is based on the location in which it was created, the Otta Valley . Otta seal was developed to be used as a temporary surfacing on new roads; however, after seeing its strength, it has been used as permanent roads as ...

  6. Impervious surface - Wikipedia

    en.wikipedia.org/wiki/Impervious_surface

    Parking lots are highly impervious.. Impervious surfaces are mainly artificial structures—such as pavements (roads, sidewalks, driveways and parking lots, as well as industrial areas such as airports, ports and logistics and distribution centres, all of which use considerable paved areas) that are covered by water-resistant materials such as asphalt, concrete, brick, stone—and rooftops.

  7. Crocodile cracking - Wikipedia

    en.wikipedia.org/wiki/Crocodile_cracking

    Once the damage has progressed or the affected area is large and extensive, a structural asphalt overlay or complete reconstruction is necessary to ensure structural integrity. Proper repair may include first sealing cracks with crack sealant, installing paving fabric over a tack coat, or milling the damaged asphalt.

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