Heavy 3 natural slate  

 

The slate is dark-grey with a slightly gritty texture, and in some samples well defined parallel lines are
clearly visible on the cleavage surfaces.

Heavy 3 Natural Slates are available in the following sizes:

  • 30x20cm (12x8”)
  • 35x20cm (14x8”)
  • 40x20cm (16x8”)
  • 40x25cm (16x10”)
  • 50x25cm (20x10”)

  • Water absorption (%) 0.24% Code: W1 (< 0,4%)
  • Non-carbonate carbon content 0.39%
  • Mor Characteristic 62 MPa
  • SO2 exposure test S1
  • Thermal cycle test T1
  • Freeze/thaw resistance Fullfil < 0,4%
  • Thickness 3.5mm and 7-8mm
  • Size 30x20cm (12x8”), 35x20cm (14x8”), 40x20cm (16x8”), 40x25cm (16x10”), 50x25cm (20x10”)