Method of Plastering: The plastering could be done on the surfaces either in one, two and three coats. The plasterings for two coats are as follows: • The mortar joints are racked out to a depth of 20 mm and surface is cleaned and wellwatered. If it is found that the surface to be plastered is very rough and uneven, a primary coat is applied to fill up the hollows before the first coat of plaster is put on the surface. • The first coat of plaster is now applied on the surface. The usual thickness of first coat for brick masonry is 9 mm to 10 mm. In order to maintain uniform thickness, the screeds are formed on the wall surface by fixing dots. • The cement mortar is placed between successive screeds and surface is properly finished. The second coat is applied after six hours and thickness of second coat is 3 mm to 2 mm. The completed work is allowed to rest for 24 hours and then, the surface is kept well watered for rest of week. For plastering in three coats are similar to two coats. The thickness of first coat (rendering coat) 9 to 10 mm, second coat (rendering coat) 9 to 10 mm, and third coat (setting coat) thickness around 3 mm. - Study24x7
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soyab khan
25 Apr 2019 09:54 AM study24x7 study24x7

Method of Plastering: The plastering could be done on the surfaces either in one, two and three coats. The plasterings for two coats are as follows: • The mortar joints are racked out to a depth of 20 mm and surface is cleaned and wellwatered. If it is found that the surface to...

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