At Zafa Contracting we offer a range of spray sealing services from driveways, subdivisions & government roadworks, to large infrastructure & construction programs.
Spray seal is formed by spraying a layer of hot liquid bitumen and then covering the liquid with a layer of aggregate. Spray sealing asphalt driveways and roads are recommended in heavily trafficked areas. In rural areas, spray sealing is the most economic type of surfacing.
Cracks in pavements allow moisture to penetrate the surface, which causes permanent material failure. Failure to seal cracks results in further cracking, potholes and eventually a major pavement breakdown, leading to unnecessary expensive repairs.
To minimise the water infiltrating the pavement base, crack sealing with a bitumen sealant is required, preventing future pavement problems. Crack sealing is a practical and cost-effective measure and is part of any good pavement management program for all roads.