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Suppliers of Premium Spanish Slate to Architects, Homeowners, Tradesmen and the Construction Industry. Need advice?               button (1)

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slate for architects

We have a range of slates to suit projects of all sizes and description. From restoring a beautiful building to constructing something to be marvelled – we’ve got you covered. Read more

slate for homeowners

Let us help you craft your home’s new look. We’ve got slate that will compliment your home and ensures your vision will come to fruition just how you planned it. Read more

slate for contractors

We stock over 1,000,000 slate on site, ready for dispatch at any given time. If you’re looking for a reliable, efficient slate supplier, you’ve come to the right place. Read more

roof slate samples

We offer a slate sampling service to help you gauge which slate is ideal for your project. Local authorities sometimes require samples before signing off… Read more

International Slate Supplies – Suppliers of Quality Roof Slate


International Slate Supplies Ltd are suppliers of premium grade A1-S1-T1 roofing slates to companies and homeowners across the UK and countries around the globe. We specialise in delivering a quality product that’s reliable, visually appealing and designed to last. Our natural slate is sourced from only the best quarries in Spain and China, hand selected by our management team and tested thoroughly by specialists to ensure only the best of the best is placed on your roof.


What sets us apart from our competitors is our price, impeccable service and willingness to support you and your project. We have invested in and established long term relationships with our quarries which gets us some of the best rates in the market – we CANNOT be beaten on price. If you’re in need of roofing slate, we’re your go-to company. We can, typically, get slates out to you within 3 working days. We challenge you to find another supplier of roofing slates with a turnaround and price as good as ours. To discuss your project, or if you have any questions regarding roof slate, please don’t hesitate to give one of our experienced, friendly team a call.