6.3.7 winter construction: indoor construction shall be carried out under heating conditions, with room temperature kept balanced. Generally, the ambient temperature of paint construction shall not be lower than +10 ℃, relative humidity shall not be more than 60%, and shall not change suddenly. At the same time, special personnel shall be assigned to switch the doors and windows to facilitate ventilation and moisture removal.6.3.8 quality standards6.3.8.1 the paint engineering grade and material variety quality shall meet the design requirements and relevant standards.6.3.8.2 peeling and missing brush are strictly prohibited in paint works.Basic project of applying solvent mixed color coating on wood surfaceConcrete and plastering surface application of emulsion thin coating basic items