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- tricountypaving
- February 10, 2021
- 10:49 pm
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What exactly happens during the asphalt installation process? Here’s exactly what to expect with each step from your asphalt paving company in Central Oregon! When planning and scheduling your next asphalt project, these steps may also help you make the best decisions.
1. Preparing the Surface for Asphalt
First, the surface needs to be ready for asphalt. If we are replacing an existing asphalt layer, then it will have to be broken apart and completely hauled away.
Even without an existing surface, the ground will still need to be broken apart and leveled: With our rocky Central Oregon earth, this often means removing many rocks and boulders at the same time.
It’s is a labor-intensive part of the process that can require heavy machinery, so it’s important to work out the details ahead of time regarding noise and space!
However, leveling the surface is only the first step. Once a stable ground layer has been created, it needs to be carefully sculpted so that it slopes in the right direction for water runoff.
Standing water is one of the worst things for asphalt, so it’s important that the surface encourages water to drain away. Powerful motor graders help complete this process.
2. Installing the Sub Base
With the grading complete, it’s time to get the surface ready for the first layers of the asphalt. The starting layer is called the sub base, an aggregate which is carefully applied, compacted, and measured to make sure all the angles are just right.
A good sub base isn’t just vital for installation: It can also help protect the asphalt from any ground frost that may creep up during the chilly Central Oregon winters.
3. Completing the Proof Roll
After the sub base is compared and measures, the team will usually do a proof roll to secure the sub base and check for any problems. This simply means rolling over the layer with a very heavy vehicle to check how it responds.
If the sub base falls apart, shows depressions, or develops other problems, then it needs to be repaired, compacted, and measure again until all of the flaws are (literally) ironed out.
4. Adding the Binder
The binding agent is the layer that the asphalt clings to. It provides a very important base and must be extremely durable with just the right mixture. Most binder layers are created from a mix of oil and aggregate that’s carefully compacted to be as sturdy as possible.
5. Adding the Top Asphalt Layer
Finally, the heated mixture of asphalt is applied across the binder as the top layer. This is where paving machines and rollers play a key role in flattening and compacting the asphalt before it has time to cure.
The asphalt will spend some time drying, during in which it cannot be used. If you are doing asphalt repair in Central Oregon, where the new asphalt layer is installed against an older asphalt section, this is also the period where the seams are carefully bonded together with asphalt patches to prevent any cracks in the future.
In some cases when asphalt may need special protection, a top sealcoat is also added to the finished installation so that the surface is ready for tough conditions.
If you need any advice or want to schedule a project, we’re happy to help. Contact Tri County Paving for driveway paving in Central Oregon and many other asphalt installation projects!
(541) 526-5800
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1689 NW Pershall Way Redmond, OR 97756
ABOUT
With over 60 years of combined asphalt service experience, our team is a beacon of expertise and reliability in the industry. We've perfected our techniques and forged lasting client relationships based on our dedication to quality and professionalism.
SERVICES
COMPANY
CONTACT
Hours Of Operation
Monday-Friday: 8am to 5pm
Saturday-Sunday: Closed
ABOUT
With over 60 years of combined asphalt service experience, our team is a beacon of expertise and reliability in the industry. We've perfected our techniques and forged lasting client relationships based on our dedication to quality and professionalism.
SERVICES
COMPANY
CONTACT
Hours Of Operation
Monday-Friday: 8am to 5pm
Saturday-Sunday: Closed
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