Advantages :
1. color retention: the surface choose hard sand and fastness
2. waterproofness: permeability performance test, for single roof ,up to waterproof material property index.
3. Easy paved
Dry type operation, no need to hang roof batten. Simple treatment on joints. Two people can pave 100M2 in two days .No need to other auxiliary material only with steel nail and special bitumen glue. Wind resistance:when sun heat, the roof can be bond with each other more tightly,so keep the roof top integrality.
5. Decorative :color and shape can be choose and match freely
6. Environmental: no toxic,with good heat insulation performance