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In sand faced finish, the thickness of the second coat is ___________

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In sand faced finish, the thickness of the second coat is ___________

(a) 4 mm

(b) 8 mm

(c) 12 mm

(d) 15 mm

This question was posed to me in homework.

The above asked question is from Types of Plaster Finishes in portion Pointing and Plastering of Construction & Building Materials

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Best answer
Right choice is (b) 8 mm

Easiest explanation: In sand faced finish, the thickness of the first coat is 12 mm while the thickness of the second coat is 8 mm. The sand in the mortar mix for the second coat should be perfectly screened in order to obtain a uniform size resulting in the surface having sand grains of uniform density.

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