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 to install: with light weight,save cost and shorten construction period .
4. 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