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Horsehair is the long hair growing on the manes and tails of horses. It is used for various purposes, including upholstery , brushes , the bows of musical instruments, a hard-wearing fabric called haircloth , and for horsehair plaster , a wallcovering material formerly used in the construction industry and now found only in older buildings.
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.
The applier drags the board upward over the wall, forcing the plaster into the gaps between the lath and leaving a layer on the front the depth of the temporary guides, typically about 1 ⁄ 4 inch (6.4 mm). A helper feeds new plaster onto the board, as the plaster is applied in quantity.
Good hair should be long (In the UK cow and horse hair of short and long lengths is used), and left greasey (lanolin grease) because this protects against some degradation when introduced into the very high alkaline plaster. [1] Before use it must be well beaten, or teased, to separate the lumps.
Plaster is widely used as a support for broken bones; a bandage impregnated with plaster is moistened and then wrapped around the damaged limb, setting into a close-fitting yet easily removed tube, known as an orthopedic cast. Plaster is also used in preparation for radiotherapy when fabricating individualized immobilization shells for patients ...
Articles relating to plasterwork, construction or ornamentation done with plaster, such as a layer of plaster on an interior or exterior wall structure, or plaster decorative moldings on ceilings or walls.
The new owner, Sarah Winner, spent two years restoring the property. She had all of the original furnishings and paintings restored. Craftsmen also painstakingly restored the horse-hair plaster walls, ceilings, heart-of-pine floors, and moldings. Her efforts won the Georgia Trust for Historic Preservation's Outstanding Restoration Award.
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] Lime is a cement [ 8 ] which is a binder or glue that holds things together but cement is usually reserved for Portland cement.