Pedra Preta
Sustainability is a core value of Independent Slate Supplies, and our latest initiative is a testament of this commitment: We have made significant strides in being carbon conscious by introducing a Brazilian slate that is transported to the UK with sustainability front of mind, reducing environmental impact wherever possible
Our carbon conscious slate is:
- Eco-Friendly
- Made with renewable energy and sustainable materials
- Supports the transition to a low carbon economy.
- Natural slate has a long lifespan and withstands all weather conditions and protects your home.
Sizes Available
300mm x 200mm
400mm x 200mm
400mm x 400mm
500mm x 250mm
500mm x 300mm
600mm x 300mm
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Advantages
Pedra Preta
- Pedra Preta is the first Brazilian fully offset slate imported – a responsible choice for preserving the environment and mitigating climate change.
- Attractive permanent unique blend of beautiful dark grey colours with virtually no visible pyrites
- The Pedra Preta displays a lightly textured flat surface with heavily dressed edges, which when laid on the roof looks fantastic
- The Pedra Preta proudly conforms and surpasses all the top UK tests for water absorption, thermal cycle resistance and sulphur dioxide (acid rain) exposure with an excellent W1-S1-T1 rating
- Having been put through the most stringent selection process, the Pedra Preta comes selected in both 5mm-7mm and where required in a 7mm-9mm and tested to the British UKCA requirements
- Full UK guarantee of up to 30 years for the Pedra Preta slate. All our natural slate products come with a guarantee and declaration of performance.
Technical Advice
When using Brazilian slate please allow for cutting/wastage of 10% when using spiked slate hooks, and 15% when using traditional copper nails.
A Declaration of Performance (DOP) and full testing results can be provided upon request.