Below is a list of things to keep in mind that work for a good setting of colors

Below is a list of things to keep in mind that work for a good setting of colors

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Below is a list of things to keep in mind that work for a good setting of colors: Good wetting of wall Good old slaked lime Dry sharp sand Application of all coats wet in wet If one plaster coat has to wait for next, surface must be roughened and well wet Capillary attraction of surface of lime-water encouraged by using fine sand Don't "paddle" mortar - as ancient writers say mortar easily cracks. Color does not hold everywhere because water comes to surface in spots and color cannot get a grip there Colors put on late usually become darker Colors mixed with lime and put on too dry a ground are apt to look moldy With deep shadow and plain surfaces be careful in the use of lime-water - repeated workings over make surface "cloudy" Colors applied too thickly incorporate poorly with wall Colors appear to best advantage in thin layers Lime-wash does away with dangerous gathering of water in depression caused by tools, but make makes colors light
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Unformatted text preview: • Colors sensitive to alkalis must not be used (a test is to shake samples in slaked lime and water and let stand a few days) • Efflorescence occurs with house painter's ultramarine and English red because they contain gypsum • Ripe buttery lime is best white, color strength and binding strength • Grind colors fresh with lime-water that has stood for sometime and become clear - not with cloudy lime-water • Wash brushes in lime-water while painting, rainwater or river water might have impurities and bring out rust spots • Can add lime the size of hazelnuts to all colors if you wish - not in advance of painting for more than one hour • Many paint red underneath blues • The freshly painted section looks dark. This is because of the wet plaster. This is why it is sometimes hard to match the color to a dried piece of painting. As the plaster dries out it becomes very white and the colors look lighter and most lustrous....
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