The smart alternative to Welsh slate
Our premium Del Carmen and Riverstone slates offer unmatched durability and visual appeal, providing architects and specifiers across Wales with an authentic, high-performance alternative to traditional Welsh slate, that comes in a range of sizes and colours - and all at competitive pricing.
SSQ slates have minimal water absorption and are built to endure the demanding weather of North Wales and beyond, making them ideal for roofing, cladding, and flooring across all applications. So, whether you’re restoring a listed property or designing contemporary architecture in the slate landscape of Northwest Wales, we have what you need.
Slate expertise you can trust
As a family run business with more than four decades of experience in the slate industry and slate production, our expertise in sourcing and supplying world-class durable slate products from the finest and largest slate quarries worldwide ensures your roofing project is durable, sustainable, and fits in with the cultural landscape.
With a robust UK distribution network and technical expertise rooted in Welsh architectural heritage, we ensure reliable access to slate products and roofing materials that respect traditional designs. Contact SSQ today to request samples, technical advice, or discuss your specific requirements for your next project in Wales.
Contact usProven projects across Wales
SSQ’s natural slate and phyllite is recognised and approved by authorities in Wales, including Snowdonia National Park, a trusted name in the Welsh slate landscape.
Whether chosen for its timeless style to allow a Victorian home to retain its historic charm in a conservation area in Penarth, it’s robust weather resistance for an eco-conscious, modern family home in the heart of Wales, or to match the historic fabric of a Grade II listed Newport church that needed slate restoration, SSQ’s roofing slates are perfect for roofs, cladding and flooring.
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Testimonials
Being both high quality and cost-effective, Matacouta slate from SSQ is proving very popular with specifiers and contractors alike for refurbishment as well as for new build projects.
Mr Roy Clark, Baxter Clark and Paul
Testimonials
We put forward Riverstone as a cost-effective, yet high quality alternative to Welsh Slate, and it was accepted on that basis. The refurbishment work has now been completed and both the owners and ourselves are very happy with the result.
Keith Hicks Architect at Pave Hall
Testimonials
We specified SSQ First Domiz Blue-grey roofing slate for both technical and aesthetic reasons:its strength and quality gives the performance needed and its cold, hard, colour provides a dramatic foil to the rich warmth of the western red cedar walls.
Mark Webber, Architect, Nichols Brown Webber
Testimonials
SSQ Rocaber Blue-grey slate was actually chosen at the initial design-concept stage. A natural slate roof was in keeping with the traditional local architecture.
Tom Ewan, Architect at Model Developments
Testimonials
With the roofs being such a visible feature, the choice of roofing slate was a significant decision. We involved the roofing contractor at an early stage in the selection process and they recommended SSQ’s Del Carmen Blue-black slates. Although it’s not an indigenous slate, it is an excellent match for the originals and, having used Spanish slate on other projects, we know the quality is there.
Richard Thorpe, Ridge and Partners LLP
Testimonials
Working in a conservation area brings a special responsibility. SSQ Riverstone slate fits perfectly, its tone and texture blending seamlessly with its surroundings.
Joan Kinane, Architect
Testimonials
It was an absolute pleasure to meet you today, and I just wanted to take a moment to thank you for your time and a wonderfully informative CPD.
The whole team really enjoyed it, and you definitely conveyed your passion and knowledge of your products!
I would say I will keep SSQ in mind for future projects, but they always have been. However, I have definitely left with a need to utilise more slate in my design work!
Michael Clifton BSc ACIAT - Oakbridge Bespoke Homes Ltd
Testimonials
It is a very attractive development and we needed something equally attractive and of equally high quality for the roofing material. SSQ Del Carmen slate is top quality, and we liked the colour and texture. What’s more, it is very good value. I’d have no hesitation choosing it again.
Mr Keith Wills, Clancy's Building Manager
Testimonials
With so many ‘interested parties’ the local planners set their minds on a natural slate roof at a very early stage of the project and, from this starting point, we needed something that would satisfy a number of technical and aesthetic requirements – SSQ Domiz blue-grey, was the one chosen for use to compliment the local ‘Shere Green’ colour.
Ben Hunt, Total Project Integration
Testimonials
SSQ Matacouta slate was chosen as the most sympathetic option. Its consistency and competitive price make it a clear winner over indigenous slates.
Historic Scotland
Testimonials
SSQ Ultra Del Carmen slates come with a 75-year guarantee and that was important. Not only that, the on-site services promised – and delivered – by SSQ enabled a smooth and easy workflow.
Stuart Howes, Architect
Testimonials
Everyone liked Sarria: the client was delighted with its appearance and its consistency made it easy to cut and lay.
Gary Lambert, Complete Roofing Contractors
