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In smooth cast finish, steel floats are not recommended for external renderings.(a) True(b) FalseThis question was posed to me at a job interview.My question is based upon Types of Plaster Finishes in division Pointing and Plastering of Construction & Building Materials

Answer»

The correct option is (a) True

The explanation: In smooth cast FINISH, steel floats are not recommended for external RENDERINGS. Instead, a wooden float is used for applying the mortar. This is because steel floats GIVE a very smooth finish which is very LIKELY to crack when EXPOSED to atmospheric conditions.



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