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Lime plaster is a type of plaster composed of sand, water, and lime, usually non-hydraulic hydrated lime (also known as slaked lime, high calcium lime or air lime). Ancient lime plaster often contained horse hair for reinforcement and pozzolan additives to reduce the working time.
Lime comes from Old English lim ('sticky substance, birdlime, mortar, cement, gluten'), and is related to Latin limus ('slime, mud, mire'), and linere ('to smear'). [7] Mortar is a mixture with cement and comes from Old French mortier ('builder's mortar, plaster; bowl for mixing') in the late 13th century and Latin mortarium ('mortar'). [7]
Using a removal tool, a sort of awl, the painting and the intonachino attached to the cloth and glue covering are then detached, from the bottom up. The back of the fresco is thinned to remove excess lime and reconstructed with a permanent backing made from two thin cotton cloths, called velatini, and a heavier cloth with a layer of glue.
Lime plastering is composed of lime, sand, hair and water in proportions varying according to the nature of the work to be done. The lime mortar principally used for internal plastering is that calcined from chalk , oyster shells or other nearly pure limestone , and is known as fat, pure, chalk or rich lime.
The paintings are made with a basic coating of two or three layers of lime plaster, the surface is polished with a stone float, and then the paintings are made with a combination of fresco and stucco. [4] The style of painting is very high quality, and compares with some of the best paintings from Crete.
Lime plaster was a common building material for wall surfaces in a process known as lath and plaster, whereby a series of wooden strips on a studwork frame was covered with a semi-dry plaster that hardened into a surface. The plaster used in most lath and plaster construction was mainly lime plaster, with a cure time of about a month. To ...
The terms "stucco" and "plaster" are used almost interchangeably in this context to denote most types of stucco or plaster decoration with slightly varying compositions. [1] This decoration was mainly used to cover walls and surfaces and the main motifs were those predominant in Islamic art : geometric , arabesque (or vegetal), and calligraphic ...
It is likely that 16th-century Spanish explorers first brought tabby (which appears as tabee, tapis, tappy and tapia in early documents) to the coast of Florida in the sixteenth century. [5] Tapia is Spanish for 'mud wall' and Arabic tabbi means 'a mixture of mortar and lime' [5] or African tabi.