Blacktop driveway – Tar and Chip Blacktop; Tar and chip blacktop is made with only oil and stone. This type gives the appearance of a black gravel driveway, but unlike a gravel driveway surface is much stronger. The contractor puts gravel down the driveway and using black oil to seal the gravel together, making a more durable surface. In general, the builder uses two layers so that the first to dry and cure before the addition of the other.
Stone matrix blacktop driveway; Stone matrix blacktop driveway is asphalt, which uses a mixture of boulders, sand and aggregate filler with asphalt cement. This type of mixed blacktop driveway is common for smoother driveway surfaces and hold together longer without cracking. The surface is compressed and allowed to dry, and then harden to make a rough surface driveway. After cooling and hardening, the contractor uses a blacktop sealant to cover the surface.
12 Photos Gallery of: Knowing Blacktop Driveway Types
Open graded blacktop driveway; Open graded blacktop is a mixture of rocks, sand and asphalt cement, but has no aggregate filler. The lack of total filler allows air pockets to form in the driveway blacktop. Contractors using this type of blacktop in areas where it is necessary a lot of drainage. The air pockets provide more driveway drains during long periods of rain and prevent rain water from standing on the driveway surface.