Our roofing slate has formally passed the series of tests of the EN12326 test, ASTM S1 the Standard BS680(1971)"Specification for Roofing Slate"such as Water Absorption Test, Sulphuric Acid Immersion Test, Wetting and Drying Test,and so on. Our roofing slate is widely applying to many styles of buildings roof.

Specification:
1.Optional color: Black, Rusty, Gray and Green.
2.Standard size (mm):300x150, 300x200, 300x300, 400x250, 500x250, 600x300,392x392mm etc.
Usual shapes: square, rectangle, U type and scale etc.
3.Other Shapes and sizes available on request.
4.Thickness (mm): 5-8, 6-9, 7-10,11-15,15-18
5.Finish: natural surface, sweeped edge.
6.Package: Wooden crate suitable for long transportation