Installing a new asphalt driveway in your yard consists of more than just laying a thick layer of asphalt over the existing ground. A lot of preparation, planning, and strategic installation of its materials go into creating a durable but flexible surface for your vehicles. Here are three of these important qualities your driveway needs to have to last for years.
#1 Base Layers
Although you won't see what goes on below the surface of your asphalt driveway, it is most important. This area provides drainage of moisture below the asphalt surface, and prevents freezing damage in winter and erosion to the underlying materials during warmer months.
The soil on the site needs to be compacted and free of debris, such as roots and branches or leaves. Stable soil that is compacted together will create a solid base for the gravel layer to sit upon. And this gravel, which is thicker than the actual layer of asphalt, should be compact together by your pavers so the individual gravel edges grip and interlock with one another.
#2 Adequate Slope
When the asphalt's surface is installed, it is important for it to have a slight slope to help moisture runoff and prevent pooling of water. Water sitting upon your asphalt will seep into its layers and cause cracking damage when the temperature drops, leading to further cracking and erosion.
Your asphalt driveway should slope toward the road, such as with an inclined driveway installation. However, if the driveway is installed on a level area, it should have a center ridge line down its center and slope slightly off each side down from the peak of the asphalt. This will easily allow moisture and rain to runoff from the asphalt and prevent moisture-related damage.
The edges of your asphalt driveway can be one of the weakest parts of your pavement, especially when they are not properly supported. If a vehicle, either yours or a someone else driving upon your property were to drive over the edge of an unsupported asphalt driveway, it can result in structural cracking and weakening of the pavement's edges and lead to further damage in the future.
To keep the edges of your driveway from crumbling, you can install a concrete or brick edge barrier. Concrete curbing looks attractive, and when you have it poured before installation of your asphalt driveway, it frames and provides strength to its edges. Then, the paving company can pour and smooth the asphalt right up to the side of the brick or concrete curbing. Contact a company, like Arrow Blacktop & Masonry Inc, to get started.Share