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Construction process for outer wall metal fluorocarbon coating

A construction technology, fluorocarbon paint technology, applied in the direction of architecture, building structure, etc., can solve the problems of affecting the appearance of building facades, affecting the appearance of buildings, affecting the quality of projects, etc., to achieve rich and delicate surface self-cleaning functions, construction technology Reasonable design to ensure the effect of construction quality

Inactive Publication Date: 2010-09-15
陕西建工第二建设集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in engineering practice, because the surface of metal fluorocarbon paint is prone to quality defects such as hollowing, delamination, and cracks, it seriously affects the appearance of the building facade, directly affects the quality of the project, and also affects the aesthetics of the building.

Method used

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  • Construction process for outer wall metal fluorocarbon coating
  • Construction process for outer wall metal fluorocarbon coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] In this embodiment, when the leveling putty is prepared before the construction of the rough bottom leveling putty layer, the volume ratio between the binder contained in the finished putty and the added quartz sand is 1:0.5. And when the rough bottom leveling putty layer is constructed, use the scraper back and forth scraping method to apply 3 to 4 times, and then level it with a scraper. The surface of the rough bottom leveling putty layer after the final construction should be flat and firm, and there are no cracks, hollows, peeling and bursting points on the surface, and its surface flatness should meet the high-level plastering quality requirements (allowable deviation ≤ 2mm). After the rough bottom leveling putty layer is completely dry, sandpaper grinding can be carried out. Specifically, sandpaper above 200 is used for even sanding, and care should be taken not to wear through the film layer; at the same time, the rough bottom leveling putty layer should be well ...

Embodiment 2

[0064] In this embodiment, when the leveling putty is prepared before construction of the rough bottom leveling putty layer, the volume ratio between the binder contained in the finished putty and the added quartz sand is 1:1.5. When spraying the primer, the air pressure of the high-pressure spraying equipment is between 0.8MPa and the spray distance is 400mm; while the fluorocarbon varnish is sprayed, the consumption of the fluorocarbon varnish is 150g / m 2 , the rest of the steps are the same as in Example 1.

Embodiment 3

[0066] In this embodiment, when the leveling putty is prepared before the construction of the rough bottom leveling putty layer, the volume ratio between the binder contained in the finished putty and the added quartz sand is 1:0.8. When spraying the primer, the air pressure of the high-pressure spraying equipment is between 0.5MPa and the spray distance is 480mm; while the fluorocarbon varnish is sprayed, the consumption of the fluorocarbon varnish is 130g / m 2 , the rest of the steps are the same as in Example 1.

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Abstract

The invention discloses a construction process for an outer wall metal fluorocarbon coating. The construction process comprises the following steps of: 1, checking a base layer; 2, treating the base layer; 3, performing coarse bottom leveling putty layer construction, wherein the used outer wall leveling coarse bottom putty is a finished putty special for the outer wall and a proper amount of quartz sand is added into the finished putty; 4, laying a glass fiber crack resistant net; 5, performing dividing joint construction; 6, performing fine surface leveling putty layer construction to ensure that the glass fiber crack resistant net is clamped between the coarse bottom leveling putty layer and the fine surface leveling putty layer; 7, polishing and maintaining; 8, performing polished side leveling putty layer construction; 9, performing fluorocarbon primer spraying construction; 10, performing fluorocarbon intermediate coating spraying construction; 11, performing fluorocarbon finish paint spraying construction; 12, performing fluorocarbon varnish spraying construction; and 13, coloring dividing joints. The construction process for the outer wall metal fluorocarbon coating has the advantages of simple construction steps, reasonable design, convenient operation, low construction cost, high construction quality, and excellent use efficiency, and can prevent the hollowness, delamination, crack and other quality defects on the surface of the outer wall metal fluorocarbon coating.

Description

technical field [0001] The invention belongs to the technical field of building exterior wall construction, and in particular relates to a construction process of metal fluorocarbon paint for exterior walls. Background technique [0002] Metal fluorocarbon paint is a high-quality exterior wall coating, which can resist the adverse effects of ultraviolet rays, harsh weather, complex environments, etc., can resist the penetration of corrosive ions, and has super long weather resistance and corrosion resistance and excellent Self-cleaning function. In engineering applications, designers often use metal fluorocarbon paint to maximize the effect of aluminum-plastic panel curtain walls, and use it to save engineering costs. Therefore, in the actual construction process, metal fluorocarbon paint has obvious social and economic benefits due to its advantages of low cost, convenient construction, beautiful appearance, durability and self-cleaning. However, in engineering practice, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04F21/02E04F21/06E04F21/08
Inventor 刘建国
Owner 陕西建工第二建设集团有限公司
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