Sustainability Assessment of Cementitious Ceramic Tile Adhesives

This article presents the results of analyzing environmental impact indicators of thirteen ceramic tile adhesives (CTAs). The analyzed data came from ten third-party-verified Environmental Product Declarations (EPDs) created in 2016–2022. The paper examines seven environmental impact indicators for modules A1–A3 (cradle-to-gate). Significant differences were observed between the values of environmental indicators, which, in the case of Global Warming Potential (GWP), differed by almost 270% in the most extreme case. For the depletion of abiotic resources (elements) (ADPe), the values of products differed by nearly fourteen thousand times. Results are discussed from the perspective of the CTAs’ manufacturer assessing the product. The analysis focused on issues such as the historical dimension of data, which is the basis for Life Cycle Assessment (LCA), the need for their constant updating, and the subject of uncertainty—usually wholly omitted in the considerations on the environmental impact of construction products. The results of the analysis were also evaluated in terms of the planned introduction of the new 3+ assessment system in connection with the future amendment of the Construction Products Regulation (CPR). The results of the CTAs’ analysis of environmental indicators showed that, despite the EPDs functioning for a decade, the obligatory assessment of construction products in terms of sustainability using the 3+ system did not create the conditions for its proper occurrence. This analysis showed that, without obtaining reliable data on the environmental impact of CTAs, correct AVCP is not possible, and the consumer is not able to make proper choices.

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