Experts have been ensuring the quality of slates through testing since 1944, when BS 680 was first introduced. Back then, the process of sourcing slates was very different to the process today. Most informed decisions were made by seeing which slates performed the best over the life of the…
Read MoreWe recently got some feedback from a project where our Calidad 120 slates were used and we think that the end result is great!
Of course we can’t take all the credit, the installation itself is excellent!
The Calidad 120 from our Spanish quarries is a heavy grade slate and we…
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