Naturpiedra JBernardos
Phyllite from Bernardos (Segovia) for roofing, façades and flooring, with its own EPD.

Company based in Bernardos (Segovia) dedicated to the extraction and processing of phyllite, the local slate whose quarries historically supplied roofing for monuments such as El Escorial. It produces stone for roofing, façades, paving and masonry, with its own quarries and factory. It publishes its own environmental product declaration, an uncommon step in the natural stone sector. Phyllite is a locally extracted material with minimal processing and a service life measured in centuries.
Because its slate has topped Castilian roofs for centuries and now also comes with its own environmental declaration.
Chosen by Descarboniza. No company pays for what we say about it.
Go to their website2700kg/m³
DAP propia
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Upgrade your listingTechnical questions and answers
- What is the carbon footprint (GWP) of Naturpiedra JBernardos?
- Naturpiedra JBernardos declares a GWP (A1–A3) of 6.858 kg CO₂e/m² according to its verified EPD.
- What is the density of Naturpiedra JBernardos?
- Naturpiedra JBernardos has a declared density of 2700.
- Does Naturpiedra JBernardos have an Environmental Product Declaration (EPD)?
- Yes. Naturpiedra JBernardos has a verified EPD (GlobalEPD EN15804-020) under EN 15804+A2.
Values as declared by the manufacturer or its EPD. Always check the current EPD/technical sheet for project-critical calculations.


