Cracking asphalt gives a solution to fill the Cracks and potholes. Contact for Asphalt maintenance in Baltimore, Annapolis & Prince Frederick. From asphalt paving to asphalt maintenance and repair, J Keen offers its customers a full range of asphalt services, from asphalt paving to sealing and streaking. Not only for the initial asphalt repair project, but also for the ongoing repair and maintenance of the asphalt required to ensure that what may be a simple asphalt repair does not turn into a complete asphalt pavement overhaul. J Keen Construction's asphalt paving specialists have put together this repair and maintenance checklist to help you keep your pavement looking good for years to come. We provide asphalt maintenance in Baltimore.