Natural Slate Roofing & Cladding London

Natural slate products
The World leader in natural slate
Becoming the world leader in the production and distribution of slate is part of CUPA PIZARRAS founding DNA.
Since the first mining development in 1892 our efforts have been centred in investigating new slate deposits and exploring and developing new production techniques. The objective is to satisfy the demand from each country and from each client.

1 out of every 2 pieces of slate installed in the world comes from CUPA PIZARRAS, with more than 130 years of history, we are the world leader in the production and distribution of natural slate.

A high quality natural slate is an unbeatable product for any roofing or facade project.
Slate is 100% natural, durable and resistant in comparison to any other artificial alternative. Clad your home the right way!

ROOFING Slates

• No other roofing material compares to natural slate. It withstands extreme temperatures, heavy snow loads and offers the highest fire resistance classification (A1), while remaining completely waterproof.


• If you are looking for a long-lasting, low-maintenance roofing solution, slate is the ideal choice.


• As a highly durable and weather-resistant material, its colour and natural sheen will not fade or deteriorate over time, even in the harshest conditions.


• With a lifespan of over 100 years and low embodied carbon, natural slate is one of the most sustainable roofing materials available, as demonstrated by Life Cycle Assessment studies from the University of Bath.

THERMOSLATE® Thermal solar panel

THERMOSLATE® roof solar collectors are the only solar system to use the properties of natural slate, converting sunlight to energy to produce heating, hot water or for pool heating.

• The main component of the collectors is natural slate, extracted directly from our quarries and specially selected to ensure perfect fit and performance.


• Waterproofing, strength, durability, versatility and thermal inertia are some of the advantages that make slate an unbeatable material, reinvented as THERMOSLATE® to contribute to a more natural use of solar thermal energy.


• THERMOSLATE® solar slate enhances a building’s aesthetics and efficiency, is simple to install and involves practically no maintenance whatsoever.

CUPACLAD® Rainscreen cladding

• CUPACLAD is a natural slate rainscreen cladding system offering a range of solutions, from traditional to contemporary, giving architects and specifiers a wide choice to suit any individual design.


• The use of high-durability tectonic slate, innovative fastening and the efficiency of the rainscreen cladding make CUPACLAD an extremely competitive and sustainable alternative for cladding any façade.


• The systems have been designed to meet the requirements of new architectural trends, which demand more sustainable and energy-efficient buildings.

The most ecological and sustainable choice
Natural slate is a mineral product. Its production process from the quarry to installation is highly efficient, and it does not employ any chemical products. Therefore, making it completely ecological.
The Life Cycle Analysis (LCA), which evaluates the environmental impact of a product from extraction to the final disposal, confirms that natural slate is an ecological option for any architectural project.

According to this analysis, natural slate is the roofing material with the lowest carbon footprint throughout its life cycle, as assessed by Control Union based on the data provided by the companies.

Furthermore, the independent database, Inventory of Carbon and Energy (ICE, University of Bath), highlights natural slate as the material with the lowest number of adverse impacts on the environment.

Gallery of works executed with our natural slate products: roofing slates, rainscreen cladding and our roof solar collectors.

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