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Item type:Publication, La recuperación del uso de morteros de cal. La situación en el Perú(Pontificia Universidad Católica del Perú, 2025-12-16)Traditional materials have been part of our society across much of the world and, by extension, were also widely used in Peru up until the 20th century. The arrival of new materials such as cement and concrete has led to a sudden loss of the knowledge once held about traditional materials. However, in restoration and conservation processes of cultural buildings, understanding the characteristics and types of materials present in such structures is essential, both for their consolidation and reintegration. This requires not only the recovery of the material itself but, more importantly, the revival of traditional skills and the knowledge associated with them. Lime is no exception to this process and, unfortunately, the knowledge related to its use has also been lost. This article explores the use of lime as a traditional material and the importance of its recovery, not only due to its compatibility with traditional substrates but also because of its technical properties, which make it one of the most significant binding agents of both the past and the future.1 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Alternatives to Lime Plaster: Evaluation of Paints with Inorganic Pigments for the Conservation of Heritage Buildings in Peru(Multidisciplinary Digital Publishing Institute (MDPI), 2025)Lime plaster has historically been a key material in the preservation of architectural heritage in Peru; however, its availability has been restricted by state regulations that limit its production and commercialization. This study evaluates the performance of paints formulated with inorganic pigments extracted from soils in the Cusco valley, combined with natural and synthetic binders, as a sustainable alternative for the protection of heritage buildings in this Andean region characterized by high altitude, wide thermal variations, and high solar radiation. Adhesion, hardness, drying time, and weather resistance tests were conducted according to applicable ASTM standards for architectural coatings. The results show that these formulations exhibit good adhesion to historic surfaces and greater durability against extreme environmental conditions compared to traditional lime plaster. Their potential compatibility with historic substrates and lower environmental impact suggest that these paints represent a viable alternative in sustainable conservation strategies; however, further studies are needed to more accurately characterize the mineralogical composition of the pigments used.1