Natural Slate is the Roofing Material with the Lowest Carbon Footprint throughout its Life Cycle

23 November 2023

Natural Slate is the Roofing Material with the Lowest Carbon Footprint throughout its Life Cycle|Natural Slate is the Roofing Material with the Lowest Carbon Footprint throughout its Life Cycle|Natural Slate is the Roofing Material with the Lowest Carbon Footprint throughout its Life Cycle|Natural Slate is the Roofing Material with the Lowest Carbon Footprint throughout its Life Cycle

ENVIRONMENTALLY friendly constructions are the new normal. To achieve that goal, it is essential to have a thorough knowledge of the materials used, where they come from and their carbon footprint.

According to Control Union, an independent body, natural slate is the roofing material with the lowest carbon footprint throughout its entire life cycle. This recognition confirms the unbeatable properties of natural slate and its suitability for modern architecture.

CUPA PIZARRAS is the world leader in the production of natural slate. In addition to producing roofing material with less environmental impact, it also places sustainability at the center of all its processes.

What is life cycle analysis of materials and what is carbon footprint?

Roof of house covered in CUPA PIZARRAS natural slateA material’s carbon footprint is the total amount of greenhouse gas emissions generated through its lifecycle.

A life cycle analysis allows the purchaser to know, in an objective and verifiable way, a product’s overall environmental impact, from extraction to the end of its useful life.

Natural slate has a simple production process, without chemical products, and once installed it can last more than 100 years, avoiding expensive repairs. Furthermore, natural slate can be re-used on future projects if the roof is dismantled.

CO2 of slate and comparative materials

Using the data reflected in the prestigious INIES French database, Control Union certifies the numbers provided by the publication of the Environmental Product Declarations (EPD in English, FDES in French).

It is to be used as a source of information for the eco-design of buildings and construction of facilities, in accordance to EN 15804: 2014, based on a Life Cycle Assessment of construction products in European market.

Natural slate

According to this data, provided by the manufacturers themselves, this is the average kgCO2/year values of roofing materials:

Comparative materials Average values of kgCO2/YEAR
Slate 0,12
Copper and alloys 0,17
Terracotta 0,21
ZINC 0,25
Concrete 0,26
PVC 0,43
Bituminous roof tiles 0,45
Fibre cement 0,75
Aluminium 0,78
Wood 0,78
Polyester 0,94
Steel 1,21
Polycarbonate 3,21
Polymethacrylate 21,03

Would you like to learn more about the sustainability of natural slate? On CUPA PIZARRAS’ website, you can read about the unparalleled characteristics of this material.

>> Read more about CUPA PIZARRAS in the news

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