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Materials· 2026Q2

Effect of Waste Calcareous Opoka Rock on the Rheological, Physical, and Durability Properties of Thin-Layer Renders for External Thermal Insulation Composite Systems

Danuta Barnat-Hunek, Małgorzata Grzegorczyk-Frańczak, Nikolas Robaczyński, Wiktoria Puch

Short summary

Replacing up to 75% of granulated dolomite aggregate with waste calcareous opoka rock (WCOR) in silicate renders for ETICS significantly improved durability, reducing capillary water absorption by 84% and increasing freeze-thaw resistance by over 100%.

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Field: Building and Construction

Building and ConstructionEngineering