Emulsion is a liquid bitumen product designed for asphalt and pavement maintenance applications. Supplied in a convenient 20L pail, it is easy to apply and sets after application to form a water‑resistant, protective surface.
Emulsion is commonly used to seal and protect existing pavements, helping extend surface life and restore performance across a wide range of maintenance and surface treatment works.
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Features and Benefits
Fast setting after application
Sets quickly once applied, allowing surfaces to return to service sooner.
Strong adhesion to pavement surfaces
Bonds effectively to pavement and aggregate to form a durable surface layer.
Water‑resistant protection
Helps reduce water ingress and protect surfaces from deterioration.
What is Emulsion?
Emulsion is a liquid bitumen product made by combining bitumen with water so it can be applied at lower temperatures. This makes it easier to handle and apply compared to hot bitumen products.
After application, the water separates out and the bitumen sets on the surface. As it cures, the product changes in colour from brown to black, indicating that the bitumen has fully bonded and the surface is protected.
Emulsion is widely used in asphalt and pavement maintenance to help seal surfaces, improve durability, and extend the service life of existing pavements.
Suitable applications
Emulsion is suitable for a wide range of asphalt and surface maintenance uses, including:
- Pedestrian areas
- Residential roads
- Car parks
- Council and local roads
- State roads
- Airports
- Footpaths
- Pothole repairs
- Erosion control
Benefits of using Emulsion
Emulsion is used to help extend the life of existing pavement surfaces by sealing and protecting them from traffic wear and water damage. When applied correctly, it forms a durable surface layer that supports ongoing performance and reduces surface deterioration.
By acting as a barrier to water ingress, Emulsion helps protect pavements from moisture‑related damage, which can contribute to cracking, stripping, and premature failure. This makes it suitable for both planned maintenance programs and reactive repair works across a wide range of sites.
Product size
Emulsion is supplied in a 20L pail, making it suitable for small to medium maintenance works where controlled handling and application are required. For bulk orders, contact our team.
Application overview
Emulsion is applied in liquid form, allowing it to be spread or sprayed across the surface depending on the size and nature of the works. This makes it suitable for a wide range of asphalt and pavement maintenance applications.
After application, the product sets as the bitumen bonds to the surface. As it cures, it changes colour from brown to black, indicating that the surface has been sealed and protected.
Application methods and outcomes may vary depending on site conditions, weather, and equipment. Guidance provided is general information only.
Frequently Asked Questions
Emulsion is used for asphalt and pavement maintenance works. It is commonly applied to seal and protect existing surfaces, assist with surface repairs, and help extend the life of pavements by reducing water penetration and surface deterioration.
Emulsion is applied in liquid form, making it easy to spread or spray depending on the size and nature of the job. Application methods can vary based on site conditions, weather, and equipment. For smaller works, it may be applied using simple hand‑held equipment.
Emulsion sets after application as the water separates out and the bitumen bonds to the surface. As it cures, the product changes colour from brown to black. Setting time can vary depending on temperature, weather, and surface conditions.
Emulsion should not be applied to surfaces with standing water. Light surface dampness may be tolerated, but application should be avoided if heavy rain is expected shortly before or after use, as this can affect performance.
Emulsion is considered fully cured when the entire treated area has changed from brown to black. This colour change indicates that the bitumen has bonded to the surface and the protective layer has formed.
This product page relates to Emulsion supplied in a 20L pail, which is suitable for small to medium maintenance works. Other pack sizes may be available by enquiry through Boral.
Emulsion should be stored off the ground and preferably undercover. It must be protected from freezing, as freezing can cause the product to separate and become unusable. Stirring the contents before use is recommended to ensure consistent performance.
When handled correctly, Emulsion is suitable for use with standard safety precautions. Appropriate personal protective equipment, such as gloves, eye protection, and protective clothing, should be worn. A Safety Data Sheet is available from Boral for detailed safety information.
For product information, technical advice, availability, or orders, contact Boral Asphalt directly via 1300 132 964 or visit www.boral.com.au/asphalt.
Tools & Resources
Storage and handling
Emulsion should be stored off the ground and, where possible, undercover. It must be protected from freezing, as freezing can cause the product to separate and become unusable.
Before use, the contents should be stirred thoroughly to ensure consistency. In cooler conditions, the product may be gently warmed to make application easier. Correct storage and handling will help maintain product performance and shelf life.
Safety information
Suitable personal protective equipment, including gloves, eye protection, and protective clothing, should be worn when handling Emulsion.