Pavement & Parking Area Maintenance & Marking Wynnewood,PA- Crack Sealant PavementGroupcom ,JR Paving has been a staple in the Delco MainLine area for over 20 years. Residential or Commercial, Sealcoating or Paving, JR is the company to c...Pavement Maintenance & Reconstruction February 2018 by ...In reviewing the project with Manheim, ACI determined there was 5,800 sq. ft. of asphalt patching to complete along with 21,000 linear feet of crack sealing in addition to the sealcoating. The ...