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It is actually recommended to apply a bituminous sealer to a driveway or paved surface approximately 1 year after initial installation. This first application protects the paving from the elements and extends its life. To maintain this protection, it is generally advisable to repeat the sealing operation every 2 years.
The advantages of bituminous sealants are many:
The sealant forms an impermeable barrier that prevents rainwater from penetrating the pores of the asphalt. Water infiltration is one of the main causes of asphalt degradation, especially when it freezes and expands during winter temperatures.
However, it is essential to note that the frequency of sealer application may vary depending on a number of factors, such as local climate, traffic intensity and initial paving quality. Some areas subject to extreme weather conditions or heavy traffic may require more frequent sealing, while others may benefit from less frequent application.
In short, regular application of a bituminous sealer is an important maintenance measure to preserve the quality of asphalt paving, limit deterioration and extend its life. However, it is advisable to consult a road maintenance professional to establish a maintenance schedule tailored to the specific needs of your pavement, based on local factors.
Bituminous sealer, also known as asphalt sealer or paving sealer, is a substance applied to the surface of asphalt to protect and improve the durability of the surface. Here are a few reasons why bituminous sealant is applied to asphalt:
