NM CID GS-30 Practice Questions - New Mexico CID GS-30 Plastering, Stucco And Lathing Examination Exam

For a portland cement–lime (CL) scratch coat, ASTM C926 / CMHA proportions by volume are approximately:

1 part portland cement, 3/4 to 1-1/2 parts lime, and 2-1/2 to 4 parts sand per sum of cementitious materials 1 part portland cement and 8 parts gypsum plaster 1 part lime and 10 parts water with no sand Equal parts portland cement, gypsum, and clay

Correct Answer:

1 part portland cement, 3/4 to 1-1/2 parts lime, and 2-1/2 to 4 parts sand per sum of cementitious materials

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