what temperature to apply driveway sealer
1 Asphalt sealers cure in just a few hours, but the driveway cannot be used for vehicle traffic for 24-48 hours. 2  The ambient temperature outside must be a minimum of 60Â°F or more within a 24 hour period before and after making your repair.his includes concrete surfaces, brick, gutters, or anything that might come in contact with the sealer. For neater edges, you can use a dry brush to apply driveway sealer. Step 3 Open the bucket and begin to pour the sealer from one side of the pavement to the other pouring a six-inch wide bead of sealer.