Welsh Slate Architectural

The same qualities that make Welsh Slate an exceptional choice for roofing, make it the perfect choice for walling and cladding as well.

  • Welsh Slate is universally regarded as the best quality slate found anywhere in the world
  • It has been used for many centuries
  • It has a permanent non-fading colour
  • Welsh slate is long lasting and virtually maintenance free
  • It has exceptional durability and low water absorption
  • Welsh slate is available from 2 quarries:
    • The Penrhyn quarry which produces a ’heather blue’ coloured slate
    • The Cwt-y-Bugail quarry in Ffestiniog which produces a ‘blue grey’ coloured slate
  • An architect’s dream, Welsh Slate is beautiful and versatile
  • Available in pillared, sawn-face or cleaved options

Product Detail

Millenium Building Wales

The Millenium Centre, Cardiff, Wales

One of the most prestigious Welsh Slate projects in the recent decade.  Welsh Slate UK supplied the external walling for the Millenium building in Wales.  Designed by Jonathan Adams of Percy Thomas Ar…

View Case Study
Sizes / Spec Availabilty and price on application
Colour Comparison Penrhyn and Cwt Slate

Penrhyn Bangor Blue or Cwt-y-Bugail

The walling options in the LBS Welsh Slate range are available in a number of colour options, however, the two most popular would be the Penrhyn Bangor Blue with its distinctive 'heather' purple tone and the Cwt with its Blue Grey and Rustic accents.

Penrhyn Pillared Walling

Pillared Finish

Showing the heavily textured or 'pillared face' this option is available in various combinations of sizes on request.  Also available in the Cwt colour option.

Cleaved walling and Cardigan castle

Cleaved Finish

The cleaved option is produced by splitting the slate along the natural cleave or plane - in the same way that the roofing slate is naturally split. The resulting slate has a beautiful and subtle riven texture and bags of character and interest.

Sawn Off Cuts - Cwt

Sawn Finish

The sawn option in the Welsh Slate creates a totally different look and feel to the material giving it a much smoother uniform and contemporary look.  In addition to that in also changes the colour.  In the image above the wall has utilised both sawn pieces and a few cleaved pieces also - in this way a two tone effect are achieved.