Tar Paving & Retaining Walls Greytown handles paving, tarring, and wall construction across Greytown and surrounding areas. Services include tar driveways, asphalt surfacing, brick paving, cobble paving, retaining walls, boundary walls, pothole repairs, and resurfacing work. We work on residential and commercial sites. Call 073 926 5609 or 064 363 0745 for a quote.