Earth-based and current plasters – indoor air quality

Tânia Santos, Maria Idália Gomes, Flávia Coelho, Paulina Faria

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Indoor air quality is very important for comfort but also for buildings inhabitant’s health, since poor indoor air quality can lead to adverse health effects, like allergies and chronic diseases such as asthma. Therefore it is considered that is extremely important to understand if plasters have the ability to capture indoor pollutants and contribute to the regulation of indoor air quality. In the present study, five different plasters are analysed to compare the behaviour of earth-based plasters with commonly used plasters. Before assessing the contribution of plasters to the capture of pollutants, it is necessary to characterize the m. It is possible to conclude that the addition of air lime to an earth plastering mortar decrease mechanical strength and hygroscopic capacity. Earth plasters show high sorption and desorption capacity when compared to commonly used plasters, such as cement and gypsum-based. The lower sorption capacity of plasters with current binders may induce a lower air pollutants capture capacity but that still needs to be tested.
Original languageEnglish
Title of host publicationRILEM Pro 130
EditorsJosé Ignacio Álvarez, José María Fernández, Íñigo Navarro, Adrián Durán, Rafael Sirera
Place of PublicationParis, France
PublisherRILEM Publications SARL
Number of pages16
ISBN (Electronic)978-2-35158-222-0
ISBN (Print)978-2-35158-221-3
Publication statusPublished - 2019
Event5th Historic Mortars Conference - Universidad de Navarra, Pamplona, Spain
Duration: 19 Jun 201921 Jun 2019
Conference number: 5

Publication series

NameRILEM Proceedings
PublisherRILEM Publications SARL


Conference5th Historic Mortars Conference
Abbreviated titleHMC2019
Internet address


  • Current Mortars
  • Earth Mortars
  • Eco-Efficiency
  • Hygrometric Equilibrium
  • Indoor Air


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