The raking is carried out uniformly with a raking tool, and loose mortar is dusted off. The masonry joints which become exposed after removal of old plaster is raked out to a minimum depth of 10 mm in the case of brick work and 20 mm in the case of stone work. The edges of cut plaster is made under cut to provide a neat joint.
#CONCRETE PLASTER WALL REPAIR PATCH#
The patch is be cut out to a square or rectangular shape at position where repairing is needed. The mortar of the patch, where the existing plaster has cracked, crumbled or sounds hollow when gently tapped on the surface, is first removed. and such other parts of the building should be protected from being splashed by mortar. Protective Measureĭoors, windows, floors, articles of furniture etc. Improper slaking of lime particles in the plasterįig. Hairline cracks due to moisture evaporation, delaminating crack because plaster pulling away from the lath behind it, and Settlement Cracks because of building settlement.Īctivity inside the home like a collision due to moving a piece of furniture Table 1 Common types of plaster wall problem and their causes Common types of plaster wall problem
Table 1 provide types of plaster wall problems and their causes, and Fig.1 to Fig.3 shows number of plaster wall problems that need to be repaired. In this manner, the most suitable technique and equipment can be employed to repair the damage and best outcome could be achieved. The type of damage shall be specified prior to the commence of repairing operation. Procedures involved in repair of plaster are:
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