The Effectiveness of Different Types of Asphalt Sealant for Cracks 1

The Effectiveness of Different Types of Asphalt Sealant for Cracks

Asphalt is a popular paving material for driveways, roads, and parking lots. However, as with any material, it can develop cracks over time due to weather and wear and tear. To prevent water and debris from entering the cracks and causing further damage, it is important to seal them. But with so many types of asphalt sealant available, it can be difficult to choose the right one. In this article, we will explore the different types of asphalt sealant for cracks and their effectiveness.

The Effectiveness of Different Types of Asphalt Sealant for Cracks 2

Cold Pour Crack Sealants

Cold pour crack sealants are easy to apply and can be used to seal small cracks up to 1/2 inch wide. They are made with asphalt emulsion and fill the cracks by seeping into them. The sealant remains flexible even in extreme temperatures and can last up to 3-4 years. However, they are not suitable for large cracks or areas with heavy traffic. Interested in exploring the topic further? Explore this external content, external content we’ve prepared for you.

Hot Pour Crack Sealants

Hot pour crack sealants are made with rubberized asphalt and designed for filling cracks up to 1 inch wide. They are heated in a specialized machine and applied to the cracks using a pour pot or wand. The sealant cools and hardens quickly, creating a watertight seal. Hot pour crack sealants are more expensive than cold pour sealants, but they are more effective and can last up to 5-7 years.

Polymer-Modified Asphalt Sealants

Polymer-modified asphalt sealants are made by adding synthetic polymer to asphalt. They are designed to seal cracks up to 1/2 inch wide and can be hot or cold applied. Polymer-modified asphalt sealants are more durable and longer-lasting than traditional sealants, lasting up to 7-10 years. They are also more flexible, making them ideal for areas with high traffic or temperature fluctuations. However, they are the most expensive option and may require specialized application equipment.

Eco-Friendly Asphalt Sealants

Eco-friendly asphalt sealants are made with renewable materials such as soybeans or recycled rubber. They are designed to be safe for the environment and can seal cracks up to 1/2 inch wide. Eco-friendly sealants are more expensive than traditional sealants, but they offer several benefits. They are non-toxic and emit fewer fumes than traditional sealants, making them safer and more comfortable to use. They also last longer and are more resistant to weather and UV rays, making them a good choice for areas with extreme weather conditions. Uncover fresh insights on the subject using this carefully chosen external resource to improve your reading experience.


Choosing the right asphalt sealant for cracks depends on several factors, including the size of the cracks, the amount of traffic, and the weather conditions. Cold pour sealants are an affordable and easy-to-use option for sealing small cracks, while hot pour sealants are more effective and suitable for larger cracks. Polymer-modified asphalt sealants are the most durable and long-lasting option, but also the most expensive. Eco-friendly sealants offer a non-toxic and environmentally-friendly solution, but may be more costly than traditional sealants. By understanding the different types of asphalt sealant available, you can choose the right one to protect your pavement and extend its lifespan.

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