Will sealcoating allow us to get anther couple of years out of our old, cracked pavement?
Unfortunately no. This is a common misconception. Sealcoating at the end of a pavement life cycle is a waste of money. It would be like someone painting a car that had rusted out. Cracks will only be highlighted and water will continue to have a free path to the base layer. If a driveway or parking lot is too far gone, it is better to save the money spent on sealcoating and apply it towards repairs and eventually an overlay of new asphalt.