How to charge for the use of skateboards for exterior wall coatings and how to apply the quota?

The quota method of exterior wall coating is as follows:

Exterior wall, exterior wall adopts matte acrylic paint (white).

1, brush matte acrylic paint twice;

2, 5-6mm thick specifications, the material ratio is cement: white plaster: sand mixed ash cover =1:0.5: 2.5;

3, 8- 10 thickness specification, the material ratio is cement: plastering: sand middle layer bottom ash leveling, brush =1:1:6;

4, 2-3mm thick specifications, admixture special interface mortar primer, rough;

5, spray wet walls.

Exterior wall coatings are used to paint the exterior walls of buildings, so the most important index is ultraviolet protection, which requires that it will not change color after long-term irradiation. Some exterior wall coatings also require water resistance and self-cleaning. The paint film should be hard and flat, and the dirt will come off as soon as it is washed. Exterior wall coating can be used for interior wall painting because it also has water resistance; However, the interior wall coating does not have the sun protection function and cannot be used as the exterior wall coating.