Glaude & Son is a family-owned and operated sealcoating company located in Southern Maine that offers asphalt services, crack filling, asphalt patching, striping, and commercial lot and driveway repair. We serve Residential, Commercial & Industrial customers. Seal Coating is a method of preserving asphalt paving. Not only does it give the black appearance back to asphalt but, it also fills in pockets on the surface. Hot rubber flexible crack sealer/filler is used as a recommended maintenance to repair cracks in parking lots, roads and driveways.