Method for decorating building exterior wall

Abstract

The invention relates to a method for decorating a building exterior wall, comprising the following steps: spraying polyurethane primer on an insulation board of the building exterior wall in the environment of above 5 DEG C; after 4h, spraying intermediate layer paint on the primer in the environment of above 5 DEG C; processing the intermediate layer paint by high class water-based acrylic acid, natural colored sand and natural rock pieces; and after 48h, spraying surface layer paint which is polyurethane finish paint on the intermediate paint in the environment of above 5 DEG C. When the building exterior wall is in use, the waterproof effect is good, and the service life can be prolonged; furthermore, the method has low cost, simple construction and short construction period, and saves time and labor.

Description

Technical field: [0001] The invention relates to the field of construction, in particular to a method for decorating exterior walls of buildings. Background technique: [0002] At present, after the main body of the building is completed, it needs to be insulated, and then a layer of cement is hung outside the insulation layer, and finally wall bricks or some other decorative materials are pasted. External force will cause shedding after a long time, and the waterproof effect is not ideal, thus affecting the service life of the building; moreover, the cost is high, the construction period is long, and it is time-consuming and laborious. Invention content: [0003] In order to solve the above problems, the present invention provides a method for decorating the exterior wall of a building. This method has a good waterproof effect, prolongs the life of the building, and is low in cost, simple in construction, short in construction period, and time-saving and labor-saving. ...

AI Technical Summary

Problems solved by technology

[0002] At present, after the main body of the building is completed, it needs to be insulated, and then a layer of cement is hung outside the insulation layer, and finally wall bricks or some other decorative materials are pasted. External force, it will fall off after a long time, and the waterproof effect is not ideal, thus affecting the service life of the building; and the cost is high, the construction period is long, time-consuming and laborious