Sealcoating is an asphaltic liquid covering used to seal and renew the surface of aging asphalt. It is the most crucial element of a pavement-maintenance plan. Untreated asphalt, or blacktop, will deteriorate quickly and become brittle and less resistant to the loads it must bare.
It is easy to tell if an asphalt surface needs to be seal coated because when the top layer of asphalt bitumen is worn away your surface will turn gray. Over time asphalt pavement will break down from factors like roadway wear, sunlight, heat, and precipitation. Asphalt bitumen is naturally black in color and when the top layer of asphalt is worn down the aggregate rock that makes up asphalt surfaces will show through.
Seal coating protects the asphalt from contaminants such as motor oil or gasoline as well as salt, water, ice and the sun that will stain or eat away at the asphalt surface. Ideally, seal coating is performed when temperatures are above 50 degrees Fahrenheit and not lower than 40 degrees Fahrenheit. It is highly recommended that paved surfaces be resealed every 1 1/2 to 2 years.
There are many benefits to applying a seal coat to your asphalt surface. First and foremost, this type of parking lot maintenance is a cost effective option that will increase the life-span of your property. Also, pavement sealing will help to prevent water penetration to your subgrade and slow the effects of oxidation. It also makes your parking lot more flexible and resistant to gas and oil spills. Lastly, it will beautify your property by giving the effect of a brand new parking lot.
The seal coating process is a preventative parking lot maintenance process that is sprayed onto your lot in a liquid form after applying asphalt crack filler. This is similar to staining your deck. Resurfacing is the actual process of installing a whole new layer of asphalt pavement over your old surface for a more complete parking lot repair.
The recommended wait time to allow traffic back onto your lot after asphalt crack filling and pavement sealing is 24 hours. This allows enough time for the asphalt sealer product to cure and will help prevent tracking and will also reduce power steering marks from appearing after the parking lot repair.
No, it is recommended that a newly paved lot be left to cure for at least one year before the first asphalt seal coat is applied.
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The best time for parking lot maintenance such as asphalt crack filling and sealing is during the months of April through October when the temperature is at least 50 degrees Fahrenheit through the night.
