What Is Sealcoating? Are You Looking For Asphalt Paving Contractors Kalamazoo MI? Sealcoating is a liquid layer applied to the paved surface to protect it against the damage caused by rain, snow, oil spills, or the sun’s UV rays. Yes, it doesn’t treat existing issues, but it does prevent the damage from happening. What’s more, it makes the surface slip-resistant. Generally, the seal coating liquid is made of a specific emulsion mixed with silica sand, water, polymer additives, and other solid materials. Scheduling a seal coating service with us will save you thousands of dollars down the line. Why? Because it will keep the pavement from environmental stressors and minimize the chance of its deterioration.