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Damage also can occur to ceramics from previous restoration. Although the intent was to repair the object for use or display, some dated practices are now known to increase damage either physically, from rivets or staples, or chemically, from formerly used adhesives that off-gas. [2]: p.61
A number of experts criticized the proposed techniques, claiming that the restoration procedure would scrape off the layers of various materials on the frescoes, which would lead to damage beyond repair, and that the removal of the materials would expose the pigments on the frescoes which were fragile and dated to artificial light, temperature ...
The plaster contains liquid lime (calcium hydroxide). In the process of drying, the liquid lime in the plaster combines with the paints and turns into carbonate of lime, which is chemically equivalent to limestone or marble. Upon drying and setting, the pigments permanently fuse to the plaster to form a solid, durable painting. [5]
To repair cracks and structural damage that threatened the stability of the plaster. To remove layers of grime consisting of candle wax and soot that had been deposited by the burning of candles in the chapel for 500 years. To remove repainting by previous restorers that attempted to counteract the effects of soot and other accretions.
According to the home's listing, needed repairs include parts of the roof, new electrical, plumbing and HVAC systems, removal of recent wood paneling and ceiling tiles, repair and replacement of ...
Computer aided design drawings were used to illustrate how the head and the hand wielding the torch had been misaligned, and how the misalignment had caused the spikes of the crown to damage a section of the torch-bearing arm. The "13 trouble spots of the statue" were visually emphasized in a front-page article in The New York Times of July 20 ...
Home repair involves the diagnosis and resolution of problems in a home, and is related to home maintenance to avoid such problems. Many types of repairs are " do it yourself " (DIY) projects, while others may be so complicated, time-consuming or risky as to require the assistance of a qualified handyperson , property manager , contractor ...
On buildings with soft materials, such as under-fired brick, lime mortar, or terra cotta, removal by hand is often the most effective to avoid damage. [4] Hard Portland cement mortar is usually removed with a grinder or power circular masonry blade, taking care not to damage the masonry units. Vertical joints or thin joints are done by hand or ...