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TERMS & FAQ'S

Understand popular terms and get answers to common questions!

COMMON INDUSTRY TERMS

PAVING

Paving is laying down an asphalt surface on either a dirt, milled or existing asphalt surface. When paving, many factors must be considered including, leveling, water drainage and thickness of the new asphalt layer. The term paving can be applied to concrete as well.

MILLING

Milling is the process of grinding up and collecting old asphalt. A mill machine leaves a solid but ridged surface to be paved over. The old asphalt or millings can be recycled. About 90% of all asphalt is recycled from millings.

ASPHALT

Asphalt concrete is a mixture of sand, gravel, mineral aggregate and a binding agent called bitumen. It is also known as blacktop and is commonly measured in tons.

CONCRETE

Building and paving material made from a mixture of broken stone or gravel, sand, cement, and water, that can be spread or poured into molds and that forms a stonelike mass on hardening. It is commonly used for sidewalks, loading docks or other heavy weight bearing areas.

SEALCOAT

Sealcoat is a mixture of emulsified asphalt, water, mineral fillers, and various other mixtures. Seal coats are applied directly to the surface of an asphalt pavement. It can be applied by rubber squeegee, broom, or mechanical spray.

CRACK SEAL

rack seal is a rubber based sealant applied to asphalt cracks at very high temperatures. There are width and depth limitations for crack sealing applications but it is an effective preventative maintenance measure.

FREQUENTLY ASKED QUESTIONS

How do I know if my parking lot is in need of pavement maintenance or a full mill and pave?

To pave or not to pave. That is often the question. Applying sealcoat to a severely failing parking lot will not preserve or protect it. You wouldn’t use paint to fill a crack in your home’s foundation. The paint will cover the problem but it won’t fix the crack. The same applies to asphalt. Weathered asphalt that is dull and gray with shallow cracks but is structurally sound can be revitalized through a pavement maintenance program that includes crack sealing, sealcoating and a fresh line stripe. It also extends the life of your asphalt.

A failing lot has many indicators a full repave is in order. Are there numerous and continuous cracks and crumbling asphalt also known as “alligatoring”? Has poor drainage and long-term standing water seeped below the lot surface causing an unstable sub surface? Is your parking lot uneven or have deep ruts in heavy traffic areas? Is the lot a patchwork of recurring repair areas and emergency “fixes”? If any or all of these apply to your lot it’s time to mill and pave.

How often should I evaluate the condition of my parking lots?

You should thoroughly evaluate your lot every calendar year. Traffic, severe weather with extreme temperature changes and plow damage takes its toll on your asphalt. You should spot check your lot at least once every season, particularly after winter going into spring.

What should I be looking for when I evaluate my parking lot?

Check your lot for trip hazards like cracks, pot holes, frost heaves and other liabilities. Your lot should be clearly marked, ADA compliant and also meet local safety and fire codes. The surface should be even and drains should be cleared of debris. There should be no significant puddles or “perma-puddles” on your property.

When is the best time to address my parking lot issues?

Today! The longer you wait, the more complex (read: expensive) the solution will be. There are many instances when short-term fixes will be appropropriate. Do not confuse that approach with a proactive pavement maintenance program executed over time. Save time and money and prolong the life of your existing asphalt by addressing your parking lot issues today.

How much do your services cost?

There are many variables that determine final costs. The size and condition of the lot are the two most important factors. The needed scope or scopes also factor prominently. National Pavement is among the most competitive paving and pavement maintenance contractors in the country. We work within your budget while providing quality workmanship and outstanding customer service. It all begins with the evaluation so don’t delay.

Should I get multiple estimates before choosing a paving or pavement maintenance contractor?

Of course budgets rule the day but don’t forget to do your homework and ask questions. The lowest bid may end up costing you in the end and the highest bid doesn’t guarantee the best results. Choosing a reputable, experienced contractor means you have a true partner dedicated to successful outcomes. Call us for an evaluation, a bid request or just to ask a question. The team at Nation Pavement is ready to answer your questions and get to work.

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“From initial site evaluation and service recommendation to the successful completion of your project, our team of professionals work tirelessly to ensure your asphalt paving and maintenance projects are completed on time and on budget every time.”

– Christian Parker, CEO

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