FEATURE
3 . Increased Durability Sealcoating fills surface voids , reducing exposure to oxygen and UV rays . It also minimizes the effects of water penetration and freeze-thaw cycles , which are common causes of pavement damage . By reducing the probability of cracks and potholes formation , sealcoating increases the overall durability of the pavement .
4 . Cost Savings Regular sealcoating can save significant costs in the long run . By preventing damage and reducing the need for extensive repairs , it helps maintain the pavement in good condition for a longer period . This proactive approach to pavement maintenance is far more economical than reactive repairs or complete resurfacing .
LIFE-CYCLE COST ANALYSIS ( LCCA )
Life-Cycle Cost Analysis ( LCCA ) is a process for evaluating the economic worth of a pavement segment by analyzing initial costs and discounted future costs such as preventive maintenance , resurfacing , and rehabilitation and reconstruction costs , over a defined period . LCCA is only a tool in the decision-making process , it does not dictate the decision . All alternatives are to be included in the LCCA . For example , complete replacement is generally the most expensive alternative , but it should not be disregarded simply because of the expectations of the high cost . The analysis may show replacement as the highest cost but the cost difference between replacement and the other alternatives may be small enough to make the replacement a better choice .
How to Choose a Good Sealer
Choosing the right sealer is crucial to achieving the best results from sealcoating . Here are some factors to consider :
1 . Type of Sealer There are several types of sealers available , including coal tar , asphalt emulsion , petroleum resin and acrylic sealers . Coal tar sealers are highly durable and resistant to chemicals , but they have a strong odor and application crew might feel burning sensation on hot days . Asphalt emulsion sealers are more environmentally friendly and easier to apply but may not last as long . Petroleum based sealers offer well-balanced properties between coal tar and asphalt based sealers , but are expensive . Acrylic sealers offer excellent durability and appearance , but come at a higher cost . The choice depends on the specific requirements of your pavement and local regulations .
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2 . Quality of the Product Not all sealers are created equal . It ’ s essential to choose a high-quality product that offers good coverage , durability and resistance to weather and chemicals . Look for products from reputable manufacturers with positive reviews and proven performance .
3 . Application Method The method of application can affect the quality and longevity of the sealcoating . Sealcoating can be applied by brush , spray or squeegee . Each method has its advantages , and the best choice depends on the size and condition of the pavement . Professional application is recommended for best results , as it ensures even coverage and proper curing .
4 . Local Climate The climate in your area plays a significant role in the performance of the sealcoat . Some sealers are better suited for specific climates . For example , coal tar sealers perform well in areas with harsh winters , while asphalt emulsion sealers are ideal for regions with milder climates . Consider the local weather conditions when selecting a sealer .
5 . Environmental Impact
With increasing awareness of environmental issues , it ’ s important to consider the environmental impact of the sealer . Some sealers contain volatile organic compounds ( VOCs ) that can be harmful to the environment . Look for low-VOC or VOC-free sealers that provide effective protection without compromising environmental health .
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