Asphalt Sealcoating 101 Reasons to Sealcoat Asphalt Parking Lots and Lanes Sealcoats generally consist of a mixture of emulsified asphalt, water, mineral fillers and various other admixtures. Sealcoats are applied directly to the surface of your asphalt with a broom,...The post Asphalt Sealcoating 101 appeared first on The Paving Guys.