How to operate waterproof plastering (five-layer waterproof mortar method)?

(1) The preparation work before plastering is the same as three ashes and four pulps. (2) The pure cement slurry ash (plain ash) with the water-ash ratio of 0.35 ~ 0.4 for plastering at the grass-roots level is repeatedly scraped on the surface of the grass-roots level, with a thickness of about 2 mm. (3) Plastering with 1: 2.5 cement mortar (water cement ratio is 0.4), and the operation requirements are the same as those of three ashes and four pulps; (4) Use plain ash, and the operation requirements are the same as those in (2); ⑤ 1:2.5 Cement mortar plastering, the requirements are the same as ③; ⑥ The plastering layer is plain gray, and the operation needs repeated plastering and surface finishing. All landowners surface besmear brushs cement mortar 1 ~ 2 times to besmear brushs repeatedly. Nowadays, the time of each process is the same as that of the three-ash-four-pulp method; Pet-name ruby dry parts pay attention to maintenance, the same as the three ash four pulp method. Attending the ash layer outside the plastering surface should be dipped in water (or clear water mud) with a brush during initial setting, and water lines should be brushed on its surface in sequence.