8.5" x 11"
32 12 36
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Pavement Seal Coat
Use this CSI 3 part SimpleSpecs™ master specification to specify pavement seal coat repairs to existing asphaltic paving.
This process is often called Sealcoating, or pavement sealing, is the process of applying a protective coating to asphalt-based pavements to provide a layer of protection from the elements: water, oils, and U.V. damage.
The effects of asphalt sealers have been debated. Asphalt sealing is marketed as increasing the life of the asphalt, but there is no independent research that proves these claims. Asphalt sealing can also make the asphalt more slippery and impact the environment.
Pavement seal coat products come in a variety of standards. For example, a refined tar-based sealer offers the best protection against water penetration and chemical resistance. Asphalt-based sealer typically offers poor protection against environmental chemicals and harsher climates (saltwater).
Petroleum-based sealers offer protection against water and chemicals somewhere between the other two sealers. Another difference between coatings is in terms of wear. 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.
To learn more, visit Wikipedia.
Related SimpleSpecs™ master specification:
32 01 17 – Asphalt Paving Repairs