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#Environmental product declaration how to#
How to create an Environmental Product DeclarationĮnvironmental product declarations from Bau-EPD GmbH are created in a multi-stage process, in which various stakeholders are involved. The Type III Environmental Product Declaration, with these quantitative statements on the environmental performance of construction products, is aimed at many recipients:Īnd, of course, companies that are involved in the value chain from raw materials to the building (including its demolition) with production and services. A life cycle analysis takes into account the whole life cycle of the building, the construction stage, the use stage with possible conversions as well as demolition and disposal, and it can show the contribution the construction products make to energy efficiency or to other aspects for the sustainable management of a building. Life cycle assessments therefore provide a systematic and standardised data basis for creating an ecological assessment of a building from declarations of individual construction products in a “modular system”. The resulting contribution to the greenhouse effect, overfertilisation or acidification of water bodies can be quantified and evaluated using the life cycle assessment methodology. energy consumption is illustrated in CO 2 equivalents). The life cycle inventory analysis data of the manufacturers is multiplied by factors to be able to illustrate the known impact categories (e.g. Scenarios from the gate (use stage in the building as well as the end-of-life stage (Recycling? Thermal utilisation? Landfill?)) are modelled in the best possible way. Resource consumption and emissions to the environment are recorded specifically for each manufacturer throughout the entire manufacturing process (from cradle to gate). In addition, information is provided on technical properties that are needed to assess the performance of the construction product in the building, such as product lifetime, thermal conductivity properties, sound insulation or the influence on indoor air quality.
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The declaration makes statements on the use of energy and resources and the extent to which a product contributes to the greenhouse effect, acidification, overfertilisation, destruction of the ozone layer and smog formation, land consumption or other environmental impacts.
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If the functionality requirements and the framework conditions are the same (time, space, system boundaries, calculation methods, data quality, etc.), EPD data can also be compared at product level. Type III declaration for construction products should therefore help to evaluate a whole building. Most construction products are used together in one “system” – the building. To facilitate the preparation of EN 15804-compliant EPD, at EuGeos we have developed a specific database extension to ecoinvent to allow calculation of specific indicators: the EuGeos' 15804-IA Database to be used with openLCA software.Content of a Type-III Environmental Product Declaration It has been widely adopted by EPD programmes in Europe to harmonise many aspects of the production and presentation of EPD for these categories of products.ĮN 15804 requires compliant EPD to report a number of indicators, not all of which are calculated by the standard LCIA methods supplied by the ecoinvent Centre as part of the ecoinvent database package. European standard EN 15804 and EPD in the building sectorĮuropean standard EN 15804 is a core product category rule (PCR) for environmental product declarations (EPD) of construction products and construction services. Environmental performance data from construction-product EPD are also being incorporated in BIM (Building Information Modelling) objects, enabling designers and architects to explore the total embedded impacts of different options for a structure as they develop them.įor greater harmonisation in the industry, the Europe-wide norm EN 15804 provides a framework for producing EPDs, and the ECO Platform promotes mutual recognition between different EPD programmes, facilitating access to a wider market. In the UK building product EPD contribute to credits in the BREEAM scheme used to evaluate the environmental credentials of buildings. EPD are increasingly important in the construction sector.