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Drywall (also called plasterboard, dry lining, [1] wallboard, sheet rock, gib board, gypsum board, buster board, turtles board, slap board, custard board, gypsum panel and gyprock) is a panel made of calcium sulfate dihydrate , with or without additives, typically extruded between thick sheets of facer and backer paper, used in the construction ...
[14] Heat: Heat in excess of the ideal storage conditions can cause damage to collagen structure, irreversible contraction and alteration of surface materials in parchment objects. [2] Light exposure; Lower wavelength and ultraviolet light lead to degradation of the collagen structure and photodiscoloration, usually causing yellowing of ...
A paper conservator surveying a collection of materials in storage. Storage in a cool, dry, clean, and stable location can extend the life of an item. [51] Manuscripts and paper documents are often stored in protective archival-quality boxes and folders, made of acid-free and lignin-free materials. [52]
[2] Gypsum waste from new construction. Gypsum waste from new construction activities is typically a clean waste, and primarily consists of off-cuts of plasterboard (drywall, wallboard or gyprock) when the boards have been cut to fit the dimensions of the wall or ceiling. The waste may constitute 15% of the gypsum materials used on the site.
Printing quality is highly influenced by the various treatments and methods used in creating paper and enhancing the paper surface. Consumers are most concerned with the paper-ink interactions which vary for certain types of paper due to different chemical properties of the surface. [8] Inkjet paper is the most commercially used type of paper.
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At the place where the two edges of wallboards meet there is a seam. These seams are covered with mesh tape and then the seams and the screw heads are concealed with the drywall compound to make the wall seem as one uniform piece. The drywall plaster is a thick paste. Later this is painted or wallpapered over to hide the work.
The second fix is done after plastering takes place. Second fix work, the installation of items such as skirting boards, architraves, doors, and windows are generally regarded as carpentry, however, the off-site manufacture and pre-finishing of the items is regarded as joinery.
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