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The _________________ are supported and fixed with 9 mm to 12 mm diameter Steel rods or steel channels.(a) Metal laths(b) Wooden laths(c) Rubber laths(d) Latex lathsThis question was addressed to me at a job interview.My question is taken from Defects in Plastering topic in chapter Pointing and Plastering of Construction & Building Materials

Answer»

The correct choice is (a) METAL laths

Explanation: The metal laths PROVIDED a better fire resistance construction in FORM of FIRM and solid foundation for plaster work. The various TYPES of metal laths under patent names are available in the market. The ribs in the metal lath renders stiffness to the Steel sheet.



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