Page 4 – Types of roofing slate
Standard specification and details
Types of Roofing Slate
Being a natural product, different types of natural slate are defined by their place of origin.
|PENRHYN slate originates in the area behind Bangor in North Wales||Heather Blue||Cambrian||Conforms to clauses 6.2.1., 6.2.2. and 6.2.3. of BS680: Part 2: 1971|
|FFESTINIOG slate originates from the quarries in and around Blaenau Ffestiniog, North Wales. The quarry was closed in March 2010.||Blue/Grey||Ordovician||Conforms to clauses 6.2.1., 6.2.2. and 6.2.3. of BS680: Part 2: 1971|
|WESTMORLAND slate originates in Cumbria (previously the County of Westmorland)||Green||Ordovician||Conforms to clauses 6.2.1. and 6.2.2. of BS680: Part 2: 1971|
|BURLINGTON slate originates from Kirkby-in-Furness, Cumbria||Blue/Grey||Silurian||Conforms to clauses 6.2.1. and 6.2.2. of BS680: Part 2: 1971|