Parking Lot Paving: frequently asked questions
These answers are general. For your situation, check the official sources listed below or ask a professional.
How often should a lot be sealcoated?
Often every few years, depending on traffic and climate; cracks should be sealed first.
How many accessible spaces do I need?
It depends on the total number of spaces, under the 2010 ADA Standards. Your contractor can lay them out.
Overlay or full reconstruction?
An overlay works when the base is sound; widespread cracking and potholes may require rebuilding the base.