Asphalt Paving For Driveways And Parking Lots - The Asphalt Promised Land

STOP! You know it's there. You see it every day when you come into work. You even walk around the crater to get to your front door. It's your parking lot or driveway, and you've been ignoring it every day hoping it will go away. I call it "Asphalt Denial". You don't want to know what needs to be done because you know asphalt paving can cost a lot of money! You might have already had an estimate that put you in cardiac arrest and you buried in the bottom of the "To Do" pile that has been sitting there for 5 years. You might even have been beaten over the head with the "Fix this now or Else Stick" threatening that your parking lot will implode and cause the end of the world. You know you need to do parking lot maintenance, but can't figure out how to get started and finish it without putting you into financial ruin. You're not alone. Many people face this issue every day. I have some suggestions that can get you to the "Asphalt Promised Land".

First, get your estimates. Request quotes that are broken down into sub-sections including asphalt paving, repairs, sealcoating, crack filling and striping with costs associated with each section. This way you can work on a section at a time.

Next, do your paving repairs first. Not fixing potholes can do the most damage to a parking lot or driveway in the shortest amount of time. They can also damage the vehicles that hit them. Typically this is the highest cost in an estimate. If you're on a tight budget, you can do the repairs over several years. Set a budget figure you want to spend, and focus on any repairs in high traffic areas first such as drive lanes or walking areas then move out to low traffic areas like parking stalls. There's a difference between repair and patch. Repair your potholes, don't patch them!. If you repair the holes, the repairs will last 15-20 years.

3rd, get your cracks filled and sealcoating done. This step may happen several years down the road, but it will preserve what you have and what you have been doing the past few years in repairs. Sealcoating is typically a few cents per square foot but makes a difference in the longevity of a parking lot. Sealcoating and striping will spruce up the look of the parking lot as well.

Finally, be patient. This might take several years depending on your cash availability but will pay off in the long run in preserving your parking lot. Remember, incremental improvements will be better and cheaper than doing nothing. Stick with the plan; keep making progress even just a little bit. Your lot will look like new very soon.

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Crack Sealing and Pavement Repair

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Pavement cracks need to be filled and/or sealed to prevent water from entering sub-grade layers. Special rubberized materials are applied to the cracks, which seals the pavement and helps to prolong its life.

Application of pavement crack treatments consist of three basic steps:

• Cleaning the cracks
• Cutting the reservoir if needed
• Installing the material

Sealing treatments are used for pavements that primarly have working cracks greater than 1/8 inch. Sealing treatments consist of creating a widened reservoir to provide proper geometry and placement of flexible material that can accommodate the expected movements.

- Sealcoating, crack sealing, striping and pavement repair. We do it all.

- Filling Asphalt Cracks in your asphalt driveway or parking lot surface will be a very important part of extending the life of your asphalt surface.

- The forces of nature do their best to break down the surface, creating cracks and potholes, which decreases the life of your driveway or parking lot. We specialize in maintenance and repair to help you extend the life of your asphalt.

Call Vaca Vet Striping at 707-592-8331 for an estimate

Protect Your Parking Investment!

Asphalt Maintenance

Asphalt pavement is commonly used on many different projects. It is a popular material due to its cost-effectiveness, durability, ease of implementation and is great at withstanding heavy loads. It can be used for walkways, driveways, parking lots and complete roadways. Many may not know that asphalt does require inspections and routine maintenance for long life. Common asphalt maintenance procedures are as follows:

Asphalt Maintenance Facts

Asphalt has a long life span as long as proper maintenance is performed. Asphalt deterioration begins as soon as the freshly laid asphalt begins to cool. Oil, sun oxidation, salt, water penetration, weather all affect the life span.

Asphalt Repair and Patching

Patching is a frequently used repair technique for imperfections such as potholes. Potholes can be formed by the freezing and thawing of water in unsealed or improperly sealed cracks. As the ice forms, it expands and damages the surrounding asphalt leaving voids and thus a pothole is born. The process of replacing the asphalt depends on the affected area and the seasonal conditions.

Asphalt Resurfacing or Overlaying

In some cases, it can be more cost effective to resurface or overlay the asphalt. Good candidates for resurfacing are low spots, large sections of interconnecting cracks. This process is unique to each job and can consist of leveling of low spots, grinding off uneven surfaces, adjusting drainage paths and other details pertaining to the specific problem.

Asphalt Removal and Replacement

Without ongoing maintenance, asphalt surfaces can degrade until the only option is a replacement. Proper procedures must be followed to ensure the repair and replacement surface last. Cost varies depending on the job.

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Four Tips for Asphalt Maintenance

Maintain your asphalt and extend its life with these tips

Considerations For Resurfacing Asphalt Driveways And Parking Lots

Resurfacing or replacing of the material of a driveway or parking lot may be necessary after a period of time. This is quite different from sealing or other types of minor repairs. Although resurfacing will not last as long as the installation of new asphalt, it is an option that is considered by a lot of people because of financial concerns. As in most repair projects, the finished job will be determined by the level of preparation and the competence of the contractor.

In a complete tear-out, the old drive will have to be removed by the contractor. An initial layer of compacted gravel will then be applied, followed by a course of a compacted asphalt base. This layer is usually about two to four inches in thickness. The final layer of compacted material will then be applied.

During the process of resurfacing, the surface course of asphalt is installed on top of the existing surface of the driveway or parking lot. The two layers will adhere together easily because they are made with the same material. It is, however, important to consider why the driveway is failing before you choose this option. For instance, if the problem is from a weak base, adding a new layer will not be the right solution.

Asphalt can also be installed on a concrete drive. You do have to implement certain precautions so as to ensure that the concrete does not shift under the new surface. Proper preparation will ensure that this does not happen and the drive will last for several years. There are a number of things that you have to check in order to know if the existing concrete driveway is suitable. The blocks should be level, and the joints and cracks must be close.

No matter the type of installation that you want to do, there are certain things that you have to watch for. Drainage should be taken into consideration so that rainwater is carried to the street or to a catch basin. Water should not flow back into your garage or onto a neighbor's property. The contractor has to also ensure that the edges are properly supported.

It is vital to choose a competent contractor for your asphalt resurfacing project. You can evaluate the company's work by checking other driveways that they worked on a few years ago. No matter the company that you choose, make sure that a proper contract is drawn up.

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Asphalt Pavement Maintenance Planning

Do you have an asphalt maintenance plan in place for your facility? As asphalt surfaces age, erode and become brittle, proper periodic assessment and treatments are essential in maintaining a quality surface and infrastructure. The appropriate course of action can save time and money by making sure the maintenance applications are matched to the severity of the pavement problems.

Understanding Defects

There are typically three types of asphalt failures: Surface, Bond, and Structural Failures. For surface failures, there can be raveling, and transverse or longitudinal cracking problems. Raveling is the loss of aggregate from the surface as a result of abrading action from wheels. Longitudinal cracks run in the direction of traffic and transverse cracks are 90 degrees to longitudinal cracks. Longitudinal cracks are typically caused by shrinkage.

Bonding failures are usually in the form of slippage between two layers of surfacing causing cracks in the upper layer. In some cases the combination of bonding and crack failures causes the top layer to flake off in chunks.

The most severe defects are structural cracking which can include fatigue cracking and rutting. Fatigue cracking results from the surface being flexed up and down from heavy loads going by. The cracks are very close together and look like an alligator's skin. This defect occurs when the underlying road section can no longer support the loads being applied to the pavement. One heavy truck can flex and damage a road more than thousands of cars passing over the same spot. Rutting is a depression of the pavement in the wheel path and is usually continuous throughout the pavement. It can occur in just the asphalt layer or throughout the entire infrastructure of asphalt, base, and soil.

Types of Treatments

The different types of actions one can choose will vary with the defects and extent of damage found on the pavement surface. The potential solutions can include surface seal coats, crack filling, slurry seals, selective dig-outs and patching, or full overlays.

Within the use of surface seal coats, there are several to choose from. They include slurry, cape, micro-surfacing, fog, and rubberized chip seals to name a few. A fog seal contains no aggregate or sand and is spray applied to keep the surface aggregate in place. A surface seal coat is a mixture of sand and asphalt emulsion with other fillers. It provides a uniform black surface and protects from UV damage and reduces water intrusion. A slurry seal consists of emulsified asphalt binder, a graded fine aggregate additive, and water and is applied by machines with pressure.

An overlay is used over the top of an existing pavement surface to strengthen and protect the original structure. It can be applied at various thicknesses and also can be rubberized. Sometimes milling is required before the overlay when excessive heights are an issue to prevent any potential trip hazards. Also, the use of paving grids and fabrics over the top of an existing cracked pavement can provide additional strength and water intrusion protection.

Choosing a Plan of Action

Parking lots primarily utilize asphalt seal coats, slurry seals and sand seals. These seals are designed for use in areas that will have constant turning forces. The oils are harder than chip and cape seal oils and lessen tire marking on the pavement.

Streets generally utilize slurry, chip, cape seals or micro-surfacing. These treatments vary depending on the conditions of the road. Crack filling and dig-out repairs must be completed prior to the placement of the surface treatments to obtain the maximum performance life.

So you can see there are various failures modes from minor surface issues to major structural failures and there are a wide variety of treatments to deal with them. Plus following an overall maintenance plan through the lifecycle of the pavement will help prevent early failure and maintain the asset through its expected lifetime. The best way to get started is to have an asphalt engineering firm or quality asphalt contractor assess your situation and provide guidance on what the most economical course of action would be for your situation.

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Vaca Vet Striping Specializes In Striping For Small Or Large Jobs

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Vaca Vet Striping specializes in striping for shopping centers, business complexes, apartments, and private roadways. Whether you have a small job of just two parking stalls or a multi-acre parking facility, Vaca Vet Striping will provide professional and timely work.

Your Driveway - The Stages and Solutions

Your driveway will go through a lot of changes from the time it’s new to the day you have to replace it. Each stage requires a different plan of action and the list below will help steer you in the right direction.

Stage 1: Preventative Maintenance

For the first few years, your driveway will only need preventative maintenance, sealcoating and crack filling every other year. Your driveway will stay in Stage 1 for as long as the cracks are not interconnected (alligatoring) and are not accompanied by settlement. Find a good local Sealcoater that will provide a written estimate.

Stage 2: Surface or Base Defects 

Your driveway has entered Stage 2 when sealcoating and crack filling alone will not take care of the problem areas. The driveway may have settled at the garage or curb (very common) or developed spider/alligator cracking or potholes. At this point, you’ll need an asphalt repair to get your surface back in shape. Call an asphalt repair company that can either perform infrared repair or saw cut and remove repairs. Then every other year sealcoating and crack filling regimen mentioned in stage 1 should continue throughout stage 2.

Stage 3: Replacement or Resurfacing 

When 20% or more of your driveway is in poor condition, it’s probably time for a new surface. At this point, repairs are no longer a cost-effective alternative. If you find yourself saying my driveway has potholes, cracking or settlement all over, it’s time to start over with a new driveway. Call a paving contractor and ask them whether you need complete removal and replacement or if resurfacing over your existing surface may be an option. There are certain circumstances that can make a case for repairing a driveway that’s in very bad shape. You may not have budgeted for a new driveway, but have some areas that can’t wait. In that case, just repair the very worst areas to get you by until a new driveway is in the budget.

A typical driveway will last 10-15 years, but this can vary due to the quality of the initial installation, poor drainage, ground movement, and proper maintenance. The key is to find quality contractors that will recommend the right process for your driveway’s condition, regardless of whether they provide that service or not.

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Asphalt Paving: Striping Your Parking Lot

As you may already know, asphalt paved parking lots do need maintenance from time to time. One known asphalt paving maintenance technique is to have your parking lot re-striped to add a nicer look to existing asphalt paving properties.

The repainting (striping) of an asphalt lot usually takes place every one to two years; it mostly depends on the amount of wear and tear made by people driving on the asphalt paved lots. First, the lot must be cleaned and checked to see if there are any major problems with the lot currently.

As a rule of thumb, the number of parking spaces on the lot will typically designate how many handicapped spaces are required. By using high-quality paint when asphalt striping, you will ensure a greater life expectancy of the clean look of your paved lot. The lines have to be as bright as possible for people who will park in between them at a later date. The striping also serves to direct the parking lot traffic to ensure the safety of drivers. You want to make it as easy as possible for drivers to see where they are supposed to go at all given times.

Also, by having very bright yellow speed bumps on your asphalt paved the parking lot, you make it safer for those who will not be in cars as well. Also, the proper signs must be displayed on the parking lots as well, i.e., crosswalks, loading zone, and handicapped signs. The lines that will be put on the parking lot will first be chalked to ensure a clean straight look when the work is done.

Furthermore, a walk behind style striping machine will be used to get the best-painted lines that are approximately 6 millimeters when dry. The lines cannot be driven on until the paint has had adequate time to fully dry (at least 30 minutes).

When the asphalt parking lot has been stripped, any debris that is on the lot will be collected and taken away from the property.

The final stage of the asphalt striping is to put up barricades to keep other drivers from entering or exiting your asphalt parking lot. Striping is a great way to keep a parking lot looking new and professional. Costs spent in advance for asphalt striping now will definitely be lower as compared to later. Always take a proactive approach to asphalt paving maintenance. Those who choose not to take good care of their lots will pay the price in the long run. Customers always appreciate a well designed and painted parking lot. It is the first thing that customers see when visiting your property, so it should look great. A freshly striped asphalt parking lot can lead to a positive overall impression of your property.

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Happy 4th of July!

"I believe in America because we have great dreams, and because we have the opportunity to make those dreams come true." 

-Wendell Willkie

How to Know When to Seal Coat or Repave Asphalt Pavements

What is the most cost-effective resurfacing solution after repairing cracks, potholes and depressions in asphalt driveways and parking lots

By Jeff Lax

When it comes to old, worn asphalt driveways and parking lots, commercial real estate owners, property managers, and even owners of single-family homes struggle with the same questions: Do we repave or sealcoat after making repairs to cracks, potholes, and depressions? What is the most cost-effective and durable solution?

The industry has debated this issue for decades, and what has been learned is that each option has lasting, dramatic effects and that they actually complement one another. That’s the information pavement maintenance contractors need to convey to their clients who are trying to decide which pavement maintenance option best suits their needs and property.

Sealing

Sealcoating is one of the most important steps to protecting an owner’s investment in an asphalt driveway or parking lot. Sealers consist of emulsions that combine asphalt or refined coal tar with clays, mineral fillers, and water. Once applied, the water evaporates and the emulsion hardens to form a protective coating. It also becomes a beautiful black surface that adds curb appeal, giving a single-family home, multi-family residence, or commercial or industrial property a polished look. Industry experts agree that driveways or parking lots lacking the sealer can generally last only five to six years before the beginning stages of breakdown.

Initial sealing should occur six to 12 months after the asphalt surface is laid to allow the pavement to “cure” so oils can escape and the surface becomes ready for sealer. The initial sealer application forms a barrier to prevent water penetration and to inhibit deterioration of the asphalt binder by oxidation and over-drying.

As unprotected pavement ages, the asphalt binder hardens, losing flexibility and becoming increasingly brittle. Ultraviolet rays from the sun break down the carbon bonds in asphalt, further weakening the pavement. Also, daily and seasonal cycles of heating and cooling cause the pavement to expand and contract. These stresses eventually exceed the pavement’s ability to flex, and cracks form. If water seeps into the cracks and freezes, the cracks expand, allowing more water to penetrate, making the cracks wider and deeper. This cycle leads to accelerated deterioration of the parking lot surface. Early sealcoating can prevent all these preliminary dangers to the life of the asphalt.

Sealer is typically the most cost-effective solution and should be reapplied every two to three years as preventative maintenance. In fact, several government and Asphalt Institute studies have shown that neglected asphalt pavement can cost up to five times as much to repair as asphalt that has had a regular maintenance program, including sealcoating.

Pavement maintenance begins by filling cracks, patching deteriorated areas, and cleaning (and possibly priming) oil-saturated spots on the pavement surface. The asphalt also must be cleaned of dirt and debris before sealer can be applied.

While some homeowners sealcoat their driveways themselves, professional contractors not only apply a high-quality sealer material but also have professional equipment such as crack cleaners and power blowers that often enable them to perform a longer-lasting, high-quality job. Plus, professional contractors can handle other pavement repairs that a homeowner won’t be aware of, so property managers at any level will be best served by hiring a pavement maintenance professional to handle their pavement.

Repaving

Repaving is the only decision for driveways or parking lots that have severe deterioration, deep wide cracks, subsided depressions and numerous potholes.

An asphalt overlay consists of a compacted layer of one-and-a-half to two inches of hot mix asphalt being placed over the existing asphalt, essentially giving the driveway a new surface. Just as with sealcoating, the first task is repair of existing pavement. Areas, where the pavement surface has slumped, indicate failure of the stone foundation supporting the pavement. These areas require digging out existing asphalt, and repair and compaction of the stone base with new material before patching with asphalt mix to prevent trouble spots from returning after repaving. Then an overlay is placed over the old surface. No sealcoating should be added for six months to a year, just as with any newly constructed pavement.

And while an asphalt overlay can begin to deteriorate within five to six years without maintenance, it could last up to 25 years with regular upkeep. The upside to installing an overlay is the pavement has a renewed wearing course, providing a pliable, flexible surface. Also after the overlay, the maintenance program can start over, leading to a virtually brand new drive or lot. However, extreme weather, heavy loads, and shortcuts during construction could lead to premature wear and failure. The downside of repaving is that it is expensive (typically thousands of dollars more than sealing). Plus, if the original asphalt isn’t properly cleaned and prepared, cracks and uneven sections may return, as well as other problems that may not have previously existed such as delamination of the overlay because of poor adhesion to the old pavement.

What’s Better for your customer?

The amount and regularity of repaving will differ from climate to climate, and even when asphalt is maintained properly an asphalt overlay will be needed every 20 to 25 years.

Regardless of whether you repave or repair, sealcoating is one of the most important aspects of any pavement maintenance effort as it protects asphalt from weathering and degradation and extends pavement life. Without sealer, the asphalt could require an overlay in as little as five to six years, costing thousands of dollars. When comparing costs, industry experts believe the best investment a homeowner or commercial property owner can make is a well-tailored maintenance program that includes regular sealcoating.

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