The Polaris Developer Spanish slate is a Black/Grey mixed grade slate that’s 5-7mm in thickness (nominal), and consistent in appearance. The subtle textured appearance gives it a traditional finish, making it ideal for any project with slate specified.
We’re confident the Polaris Developer 500×250 Spanish slate will satisfy your requirements. It is one of the most versatile slates we’ve stocked to date and offers supreme performance at an exceptionally low price. W1-S1-T1 certified and guaranteed for a 100 year period.