Not all products are stocked at each branch, please phone ahead if you plan to collect directly from branch. Find your closest branches here.


406 x 254mm Glendyne Canadian Natural Slate


Glendyne Natural Canadian slate has a fast growing reputation for quality Due to its blue/grey colour and excellent physical characteristics,

Glendyne slate will withstand the most severe weather conditions: it is unaffected by sunlight, ultraviolet light and even acid rain. Laid correctly Glendyne slate will last the lifetime of the building and is ideal for use on any major project including supermarkets, schools, city offices and prestige homes.

  • 5-6mm thickness
  • Approved for use in Snowdonia National Park
  • Blue / Grey colour
  • Free from Pyrite and metallic inclusions
Technical Info
Technical Info
Dimensions (mm) 406 x 254
Thickness (mm) 5-6
Typical quantity in a crate 855
Average wieght per crate (kg) 1295
Average wieght per slate (kg) 1.42
Slates per m ² 25.56
Average weight (kg) per m ² 36.30
Pre-holed for min headlap (mm) 98
Batten Gauge (mm) 154
Moderate exposure to wind driven rain < 56.5 l/m2 per spell * 30 °
Severe exposure to wind driven rain > 56.5 l/m2 per spell * 30 °

*Settings based on minimum roof pitch (subject to recommendations of BS5534)