Abstract

Sensory tests were done on the perception of staining of walls of existing buildings having various wall finishes. The evaluation values for staining obtained were then examined as for their relationship with measured values of several visual features of finishing materials and coatings of the same kinds that were used on the walls of tested buildings. The visual features of the finishes which had the most significant effect in determining the evaluation of staining were; density of texture with stone finishes, color and density of texture with ceramic tile finishes, and variation in luminance with coated finishes, metal finishes, and exposed concrete finishes. Equations which could be used to predict the perception of staining of external walls from the visual features of each wall finishes are given.

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