doi:10.3850/978-981-08-7920-4_S3-M014-cd

ABSTRACT

Increasing focus on the durability aspects of building and materials a well as increasing air pollution requires better understanding of the performance of exterior coated materials facing the outdoor climate. Several factors affect the deterioration of a material, but environmental exposure is one of the primary reasons for material deterioration. The is a lack of data on moisture related properties for use in calculation models predicting the transient heat and moisture transfer in multi layer constructions. Of special interest are water vapour permeability and sorption properties of paint systems and products. The purpose of the experiments reported in this paper was to establish material data for various construction materials (sand-lime bricks, cement plaster, cement-lime plaster) painted with three different paint systems (paints of aqueous polymeric dispersions, silicate paints, paints based of polyacrylate also silicone solutions in organic solvents, or silicone dispersions).

Keywords: Water absorption, Water vapour permeability, Coatings, Buildingmaterials, Interaction of materials.

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