Hose off the area you're cleaning and scrub it with a medium-bristled broom. Put on safety gear, including gloves, goggles and a face mask, as the harmful chemicals can cause skin irritation and other damage.
Use a wooden stirrer to mix a solvent-stripper for two minutes to ensure the solution is thoroughly mixed. Solvent-based strippers are fast-working and aggressive.
Pour the solution into a spray pump. Use a funnel to avoid spilling any on the ground.
Spray the first section of the driveway. Small amounts of solvent-based strippers go a long way, so using a spray pump helps you apply an even coating.
Wait about 15 minutes for the stripper to seep deep into the concrete. Refer to the product instructions for the exact amount of time required. If the stripper begins to dry out as it sets, lightly spray it with water.
Use a wet vacuum to remove the thick coating of stripper and sealant from the surface. Call your municipality to find out where to properly dispose of the stripper.
Repeat Steps 4, 5 and 6 to remove any remaining traces of stripper.
Pressure wash any remaining solution from the driveway.