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Welsh Slate Decorative Aggregates

Welsh Slate decorative aggregate chippings provide an attractive practical mulch for gardeners and landscapers.

Available in three colours, Plum, Blue, and Grey from our quarries in North Wales. Welsh Slate's decorative aggregates are suitable for domestic and commercial applications including garden footpaths, borders and flower beds. They can also be used for weed suppression and pond linings. Welsh Slate decorative aggregates are commonly used in municipal car parks, caravan parks, golf courses and cycle tracks - as well as domestic spaces.

Chippings are available in three colours; Plum, Blue, and Grey, and two sizes 20mm (30-10mm) and 40mm (50-30mm).

If you are a home owner, developer or specifier requiring advice or wish to purchase, our customer services team are here to help you




Quarried from our Penrhyn quarry in Bethesda North Wales. This decorative slate is available in 2 sizes 40mm and 20mm. The slate is purple in colour with some subtle variations in shade.  Popular for lawn borders, raised flower beds and decorative garden rockeries.



Blue decorative aggregate, that can also contain purple shades, as it is also quarried from our Penrhyn quarry, in Bethesda. Available in 40mm and 20mm sizes and is suitable for borders, raised beds paths and rockeries.



Our Grey decorative aggregate is a traditional slate grey colour, it comes from our Ffestiniog quarry in Snowdonia, North Wales. Available in 40mm and 20mm sizes, it's suitable for borders, raised beds, paths and rockeries and can provide a unique texture to your landscaping project.

Benefits of Welsh Slate decorative aggregates

  • Save money – the naturally flat shape provides a better coverage rate per tonne than other mulch
  • Save time - requires less maintenance than other landscaping products
  • Longevity - slate decorative aggregates are hard wearing,  colour fast, with over 50 years life expectancy
  • Inert - suitable for ponds and water features (washed prior to use)
  • Lower carbon footprint - a British produced product so no long haul transportation
  • Environmentally friendly - produced from recycling slate from our quarries

Sales Office
Penrhyn Quarry
LL57 4YG

+44 (0) 1248 600656

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