Welsh Slate is the world's leading supplier of high-quality slate for a range of exterior and interior design applications. Over 500 million years old, the material is widely recognised as the finest natural slate in the world.

Welsh quarries have been supplying the world with the highest quality slate for hundreds of years. Welsh Slate own and operate the famous Penrhyn, Ffestiniog and Cwt-y-Bugail quarries in North Wales.

Natural Welsh slate is sustainable with a life expectancy of well over 100 years and can withstand the most extreme environmental and weather conditions. Combine this with its unique natural beauty, makes Welsh Slate the material of choice for an extensive range of diverse applications from roofing to hard landscaping.

It is the heritage and durability which sets Welsh Slate apart, this is derived from its density and the unique geological formation found exclusively in North Wales.

Welsh Slate manufactures under an accredited Quality Assurance Scheme which complies with BS EN ISO 9001:2015. Roofing products are also kite-marked to BS EN 12326-1:2014.

There is no other roofing material which has demonstrated the extraordinary durability of Welsh Slate. With over 100 years of useful life, Welsh Slate is a very cost effective and sustainable material.

Features & Benefits

Aesthetically pleasing
100 year+ useful life
Highly durable
Colour-fast
UK manufactured
100% natural
Unaffected by normal extremes of temperature
Highly resistant to acids, alkalis and other chemicals
Impermeable to water
Non porous
Weather and UV resistant
Not damaged by fungi, moss, insects, animals or birds
Strong whilst weighing less than man-made roofing tiles
Non combustible
Low carbon footprint to the UK market
Ecological friendly

ATG Technical approval Penrhyn