Intro: Berwyn Welsh Slate (N4 N5)
Reference N4 N5 NAME Berwyn (honed) Berwyn (riven) TYPE Slate Slate GEOLOGY Silurian. Ludlow Beds Silurian. Ludlow Beds COUNTY Clywd COLOUR Deep blue Deep blue TEXTURE Extremely fine grained. Finely cleaved Extremely fine grained. Finely cleaved BLOCK SIZE LXBXH (mm) 2500x1500x75mm 2500x1500x75mm SUITABILITY Roofing, cladding, paving, cills, copings and fireplaces Roofing, cladding, paving, cills,…