| 11143 Fine Coat Lime Plaster
The final fine coat plaster to be applied by trowel and finished level and smooth to a maximum thickness of 3mm shall consist of 1 part of lime to two parts of fine aggregate complying with table 2 of BS 1199. The fine coat shall be left for a minimum of 28 days with no further finish applied.
11144 Fine Coat Gypsum Plaster (Plaster of Paris)
The final fine coat gypsum plaster to be applied by trowel shall consist of one part of gypsum to three parts of lime putty, applied to a thickness of 3mm. The plaster shall be finished truly level and smooth. The plaster shall be allowed to cure. No finish shall be applied to gypsum plaster before the age of 28 days.
The surface of gypsum plaster is not to be sanded for the application of further finish.
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