Stone Name:Penrhyn Heather Grey Slate
Grey - Slate
Origin:United Kingdom
Welsh//Slate benefits from a number of highly practical properties making it an exceptional Roofing Slate. It is extremely durable, unaffected by normal extremes of temperature and is highly resistant to acids, alkalis and other chemicals. It retains its natural colour, even in UV light and is impermeable to water.
Welsh roofing slate from Penrhyn, Ffestiniog and Cwt-y-Bugail quarries are known to produce the finest roofing slates in the world. Specific attributes include:-
Welsh roofing slates are commonly taken off roofs after 100 years (after the timbers have failed) and re-used. Penrhyn slate, for example, was removed from St Asaph Cathedral after 400 years in use and reused.