Cwt-y-Bugail roofing slates come in standard sizes of 50x25cm (other sizes are available on request), and in 3 thicknesses:
- Capital grade (5.5mm nominal thickness)
- County grade (7.5mm nominal thickness)
- Celtic grade (9.5mm nominal thickness)
During World War 2, many of Britain’s most valuable paintings were secretly stored in its caverns for safe-keeping!
Cwt-y-Bugail slates conform to BS EN 12326-1: 2014 (W1, S1, T1), hold BS Kitemark accreditation and are generally expected to outlive the life of a building.
These slates have a lifespan measured in centuries and include a 100 year guarantee
