Tack Coat is a spray applied emulsion which provides a thin adhesive film of asphalt between existing road pavement and a new surfacing layer.
This layer of “Tack” reduces the risk of slippage between the layers of pavement and allows stresses to be distributed uniformly throughout the layers. Tack coats are especially necessary for thin and ultra-thin hot mix overlays. Most Tack Coats can be applied both ambient and elevated temperatures. Dilution with water for easier applications is also a common practice.
Seal Coats are constructed using a variety of asphalt emulsions and cover aggregate combinations to produce a surface for varying traffic loads. With a solid base, a well-constructed Seal Coat increases the life cycle of the road, enabling the asset owner to further benefit from a low cost alternative to other wearing surfaces. To significantly reduce maintenance costs of a roadway, double seals can provide public and private sectors with an effective product capable of lasting up to 10 years.
ADvantages:
- When applied, bond coat prevents debonding and major road failure, saving up 100% to the cost of a top lift
- Many emulsions used for bond coat have little or no petroleum solvents or hydrocarbon emissions. They are also used at a lower temperature so that saves energy and provide a safer work environment.
- Properly applied, tack coat can double the life-span of a standard HMA road
Issues Addressed
- Debonding
- Slipping
- Shoving
- Rutting
- Delamination
Attributes
- Helps create a monolithic structure
- Significantly reduces delamination
- Improves fatigue life
- Reduces rutting and shoving
- Facilitates better compaction
Common Combinations
Tack Coat is incorporated in nearly all new road construction and may be combined with many other treatments.
Information Provided by:https://roadresource.org/treatment_resources/tack_coat
Applications
Western Asphalt Products have a variety of applications
Seal Coats are treatments that provide effective pavement maintenance to all structurally sound roadways.
CA-90 is a specially formulated cold pour rubberized crack filler.
Microsurfacing is a thin cold-mix overlay used in the repair and preventative maintenance of roadways.
Cold In Place (CIP) Recycling was a new technology introduced in the early 1990’s in Ontario.
Fog sealing is generally a light application of spray applied slow set emulsion.
Tack Coat is a spray applied emulsion which provides a thin adhesive film of asphalt between existing road pavement and a new surfacing layer.
Dense-graded cold mixed asphalt can be an economical alternative to traditionally hot mixed asphalt, especially in areas where there is a long distance to the nearest hot mix plant.
Specialized Cutback Asphalt and Asphalt Emulsions can be used to create a concrete foundation water proofing.
Applying driveway sealer to an asphalt driveway will improve both aesthetics and lifespan of your asphalt driveway.
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