Sealcoating is one of the most important elements of a pavement management plan.
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C.A.S.E Construction Co. provides asphalt sealcoating services for Central and Southern Indiana residential and commercial construction projects.
A sealcoat consists of either coal tar pitch or asphalt cement mixed with inert fillers, water, emulsifying agents, or additives. Applied in thin coats, pavement sealing is used to protect off-highway pavement surfaces against gasoline, oil, salt, water, and ultraviolet rays.
Sealcoating preserves asphalt for pennies per square foot.
When covered with a dark black sealant, pavement looks like new. Parking lot sealcoating helps to project a positive image of the company, facility, or residential complex.
Slows oxidation and water penetration
Sealcoating fills surface voids, which reduces exposure to oxygen and UV rays and reduces the depth to which oil or gas can penetrate the pavement. Asphalt sealcoating acts as a waterproofing agent, minimizing the rate at which water enters pavement. Without it, water can permeate more freely resulting in freeze/thaw expansion and contraction of the pavement.
Sealcoating resists oil and gas spills
Gasoline dripping from a topped-off fuel tank during hot weather can soften and break down unsealed asphalt pavements. Coal tars used in sealcoat are impervious to gas and oil spills.
Sealcoating increases pavement flexibility
Sealcoat brings a dark black color to the pavement. The blacker it is, the more heat a pavement draws from the sun. And, the hotter it gets, the more pliable it becomes, which helps it to withstand traffic without cracking.
Asphalt sealcoating is cost effective
The price of asphalt will always be affected by crude oil prices, which fluctuate when supplies vary.
Filling cracks with a hot rubber crack seal will eliminate water from penetrating the surface of the asphalt and weakening the sub-grade. Keeping the sub-grade protected and strong is paramount for extending the life of your asphalt.
Preparation and Application
Prior to pavement sealing, any structural failures or cracks on the pavement must be repaired. All potholes must be removed and replaced, cracks must be cleaned and filled, and oil spots cleaned or primed. once the pavement is ready, the application can proceed.
Sealcoating should only be performed under the proper weather conditions. The recommended air and pavement temperature should be at least 55 degrees Fahrenheit and rising during sealer application and for 8 hours afterward.
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