CN116378335A - Construction method for painting house building wall surface - Google Patents

Abstract

The present invention relates to the technical field of house construction painting, and discloses a construction method of house construction wall painting, comprising the following specific steps, step 1, base treatment; step 2, putty painting; step 3, primer construction; step Fourth, topcoat construction; step five, cleaning and inspection. The present invention can reduce the pulverization phenomenon of the putty powder in the later stage by applying a layer of waterproof primer after the putty powder has leveled the base layer of the wall, and spray liquid on the surface of the putty powder after the wall is polished to further improve the adhesion of the putty powder, thereby Reduce the problem of a large amount of dust caused by dry cracking and falling off after the putty powder is formed in the later stage, which affects the quality of the topcoat, improve the cleanliness of the wall topcoat after brushing, and seal it by adding a black disc PE film in the primer construction step, It can reduce the film-forming efficiency of the primer, thereby increasing the permeability between the primer and the wall, thereby improving the adhesion between the putty and the wall.

Description

A kind of building construction wall painting construction method

technical field

The invention relates to the technical field of house construction painting, in particular to a construction method for house construction wall painting.

Background technique

Architectural painting construction forms a continuous film by applying paint on the surface of the building, with moderate thickness, certain hardness and toughness, and has functions such as wear resistance, weather resistance, chemical erosion resistance and anti-pollution, which can improve the quality of buildings. The coating formed by architectural coatings can decorate and beautify buildings.

The current building painting construction process includes base treatment, filling putty, primer construction, topcoat construction and paint trimming. It is to protect the wall surface by applying paint to the wall surface. The powder will crack or fall off during the painting process, which will generate a lot of dust. After the wall is painted, the dust will easily stick to the wall, which will contaminate the final latex paint , resulting in stains on the walls.

Contents of the invention

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the present invention provides a construction method for painting the walls of house construction. By adding glue to the putty powder, the adhesion between the putty powder and the wall can be preliminarily improved, and by leveling the putty powder After the base layer of the wall, apply a layer of waterproof primer again to reduce the pulverization of the putty powder in the later stage, and spray liquid on the surface of the putty powder after the wall is polished to further improve the adhesion of the putty powder, thereby reducing the post-forming putty powder. Due to dry cracking and falling off, a large amount of dust will affect the quality of the topcoat, and the advantage of improving the cleanliness of the wall topcoat after painting has solved the current construction process of building painting, including base treatment, filling putty, primer construction, and surface coating. Paint construction and paint finishing are to protect the wall surface by applying the paint on the wall surface. However, when the paint is applied, it is necessary to polish the putty powder on the wall surface many times, which will generate a lot of dust. After the wall is painted, the dust is easy to stick to the wall, which will contaminate the last painted latex paint, resulting in stains on the wall.

(2) Technical solution

In order to achieve the above object, the present invention provides the following technical solutions: a construction method for building wall painting, comprising the following specific steps:

Step 1. Base treatment: First, use grinding equipment to remove peeling, looseness, and bulges on the wall, and remove debris remaining on the surface of the base, and then use alkaline water to remove the release agent, The oil stains are cleaned, and the sundries include but not limited to dust, dirt, mortar;

Step 2. Putty painting: After the treatment of the middle and base layers in step 1 is completed, use putty powder to level the concave parts of the wall respectively. After the putty powder is dry, polish it to a smooth surface. Brush the base layer, and then apply putty powder on the base layer of the wall surface. After drying, smooth the protrusion with No. 1 sandpaper, and clean the floating dust attached to the base layer of the wall surface;

Step 3. Primer construction: After the putty is painted in step 2, choose a transparent sealing primer, and add water to the primer before use for stirring to keep the primer at a certain viscosity, and then dilute it The primer is evenly applied to the wall;

Step 4. Topcoat construction: After the primer construction in step 3 is completed, paint three layers of latex paint on the wall, and brush the first coat of latex paint: the painting sequence is to paint the top plate first and then the wall. The wall is First up and then down, clean the wall first, wipe off the dust on the wall with a cloth; brush the latex paint for the second time: the requirements are the same as the first time, stir well before use, if it is not sticky, it is not suitable to add water to prevent the bottom from showing through 1. Brush the latex paint for the third time: the method is the same as the second time for the latex paint. Since the latex paint film dries quickly, it should be worked continuously and quickly. When painting, start from one end and gradually brush to the other end. A row of pens is next to the previous row of pens to avoid joints after drying;

Step 5. Cleaning and inspection: After the topcoat construction in step 4 is completed, check whether the color of the wall meets the design requirements, whether the color of the painted surface is the same, and check whether there are quality defects such as foaming and missing paint on the wall.

Preferably, the putty brushing step in the step 2 specifically includes: putty leveling, primer coating, putty brushing and putty maintenance, wherein the putty leveling is to use putty powder to level the depressions bumped by the wall respectively, and then put them in place during construction. During the process, use a scraper to fill the holes and cracks in the base layer, and then press your index finger tightly against the blade to press the putty into the defect. It must be filled, filled, and smeared back and forth. After the putty powder is dry, it is polished and smooth. Can.

Preferably, the primer brushing step is to stir the waterproof paint primer evenly, and then use a long roller brush or scraper with a rubber brush to scrape the waterproof material onto the base layer evenly, and do not pile up when brushing And Lubai see the bottom, the amount of brushing, each time 0.4kg/square meter -0.5kg/square meter is appropriate, the first coat is completely dry before painting the second time.

Preferably, the putty brushing and putty maintenance process is to paint the putty powder on the base of the wall after the primer is painted, and add glue to the putty powder, and after drying, smooth the protrusion with No. 1 sandpaper, and While cleaning the floating dust attached to it, spray water on the surface of the putty powder for maintenance.

Preferably, the putty powder in the putty leveling and putty brushing process is one of gypsum putty, cellulose white putty or glue putty, and the curing time of the putty curing step is 14 days until the pH value is less than 10 and contains water. The construction of the next process can only be carried out after the rate is less than 10%.

Preferably, the primer in the step 3 is a sealing primer, and before the primer is painted, the base layer of the wall surface should be polished smooth, the floating dust should be cleaned, and the construction tools should be kept clean to ensure that the sealing primer is not subject to any pollution, without Any debris, and the primer is covered with a black PE film after the primer is painted. After the primer dries and forms a film, the PE film can be removed to proceed to the subsequent process.

Preferably, the sequence of topcoat construction in step 4 is: firstly the ceiling, lines and walls, and 5-10% of water is added to the first layer of the three-layer latex paint to promote wall absorption, and a rough roller brush is used, The last two layers of latex paint do not need to be added with water, and a fine roller brush is used.

(3) Beneficial effects

Compared with the prior art, the present invention provides a construction method for painting the walls of house construction, which has the following beneficial effects:

1. The present invention can preliminarily improve the adhesion between the putty powder and the wall by adding glue to the putty powder, and can reduce the later stage of the putty powder by applying a layer of waterproof primer after the putty powder has leveled the base layer of the wall. The pulverization phenomenon, and spray liquid on the surface of the putty powder after the wall is polished, further improve the adhesion of the putty powder, thereby reducing the problem of a large amount of dust caused by dry cracking and falling off after the putty powder is formed in the later stage, which affects the quality of the topcoat, and improves the quality of the wall. Cleanliness after application of a decent topcoat.

2. The present invention seals the primer by adding a black disc PE film in the construction step of the primer, which can reduce the excessive film formation of the primer due to the high external temperature during the painting process, so that the primer cannot penetrate into the outside. In the base layer of the wall, the adhesion is poor, and by adding an appropriate amount of liquid to the primer, the primer can fully penetrate into the putty base layer, thereby improving the adhesion between the putty and the wall.

Description of drawings

Fig. 1 is the system flowchart of construction method of the present invention;

Fig. 2 is a system flow chart of the putty brushing steps of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Embodiment one:

A construction method for painting a building wall, comprising the following specific steps:

Step 1. Base treatment: First, use grinding equipment to remove peeling, looseness, and bulges on the wall, and remove debris remaining on the surface of the base, and then use alkaline water to remove the release agent, The oil stains are cleaned, and the sundries include but not limited to dust, mortar, and dirt.

Step 2. Putty brushing. The steps of putty brushing include: putty leveling, primer coating, putty brushing and putty maintenance. The putty leveling is to use putty powder to level the depressions on the wall respectively. During the construction process , Use a scraper to fill the holes and cracks in the base layer, then press your index finger tightly against the blade, press the putty into the defect, it must be filled, filled, and applied back and forth, and then after the putty powder is dry, it can be polished and smoothed. The primer coating is to mix the waterproof paint primer evenly after the surface of the wall is polished, and then use a long roller brush or a rubber brush to scrape the waterproof material evenly on the base layer. Do not pile up or reveal the bottom. The amount of painting should be 0.4kg/square meter to 0.5kg/square meter each time. The second time can be applied after the first time is completely dry, and then the putty is applied and putty The maintenance process is to apply putty powder on the base of the wall after the primer is painted, and add an appropriate amount of glue to the putty powder. After drying, use No. 1 sandpaper to smooth the protrusion and clean the floating dust attached to it. At the same time, spray water on the surface of the putty powder for maintenance, and start the next process after the maintenance time.

Among them, the putty powder used in the putty leveling and putty brushing process is gypsum putty, cellulose white putty or glue putty, and the curing time of the putty is 14 days, until the pH value is less than 10 and the moisture content is less than 10%. Carry out the construction of the next process.

Step 3. Primer construction: After the putty painting in step 2 is completed, choose a transparent sealing primer, and add an appropriate amount of water to the primer before use for stirring to keep the primer at a certain viscosity, and then dilute it The final primer is evenly applied on the wall, and the primer is covered with a black PE film after the primer is applied. After the primer is dried and formed into a film, the PE film can be removed to carry out the subsequent process.

Step 4. Topcoat construction: After the primer construction in step 3 is completed, paint three layers of latex paint on the wall, and brush the first coat of latex paint: the painting sequence is to paint the top plate first and then the wall. The wall is First up and then down, clean the wall first, wipe off the dust on the wall with a cloth; brush the latex paint for the second time: the requirements are the same as the first time, stir well before use, if it is not sticky, it is not suitable to add water to prevent the bottom from showing through 1. Brush the latex paint for the third time: the method is the same as the second time for the latex paint. Since the latex paint film dries quickly, it should be worked continuously and quickly. When painting, start from one end and gradually brush to the other end. One row of pens is next to the previous row of pens to avoid joints after drying, and add 5-10% water to the first layer of the three-layer latex paint to promote wall absorption, and use a rough roller brush, and then the last two layers of latex paint do not need to add water , with a fine roller brush.

Step 5. Cleaning and inspection: After the topcoat construction in step 4 is completed, check whether the color of the wall meets the design requirements, whether the color of the painted surface is the same, and check whether there are quality defects such as foaming and missing paint on the wall.

Comparative example one:

A construction method for painting a building wall, comprising the following specific steps:

Step 1. Base treatment: First, use grinding equipment to remove peeling, looseness, and bulges on the wall, and remove debris remaining on the surface of the base, and then use alkaline water to remove the release agent, The oil stains are cleaned, and the sundries include but not limited to dust, dirt and mortar;

Step 2. Putty brushing. The steps of putty brushing include: putty leveling, putty brushing and putty maintenance. The putty leveling is to use putty powder to level the depressions on the wall respectively. During the construction process, use a scraper to fill them up. The position of holes and cracks in the base layer, and then press the index finger tightly on the blade to press the putty into the defect. It must be filled, filled, and applied back and forth. After the putty powder is dry, it can be polished and smoothed. The putty maintenance process is to apply putty powder on the base layer of the wall after the putty leveling is completed. After the putty is dry, use No. 1 sandpaper to smooth the protrusions, clean the floating dust attached to it, and spray water on the surface of the putty powder Maintenance, the next process can start after the maintenance time;

Wherein the putty powder in the putty leveling and putty brushing process adopts one of gypsum putty, cellulose white putty or glue putty, and the curing time of the putty curing step is 14 days until the pH value is less than 10 and the moisture content is less than 10%. Only then can the construction of the next process be carried out;

Step 3. Primer construction: After the putty painting in step 2 is completed, choose a transparent sealing primer, and add an appropriate amount of water to the primer before use for stirring to keep the primer at a certain viscosity, and then dilute it The final primer is evenly applied on the wall, and the subsequent process can be carried out after the primer dries and forms a film;

Step 4. Topcoat construction: After the primer construction in step 3 is completed, paint three layers of latex paint on the wall, and brush the first coat of latex paint: the painting sequence is to paint the top plate first and then the wall. The wall is First up and then down, clean the wall first, wipe off the dust on the wall with a cloth; brush the latex paint for the second time: the requirements are the same as the first time, stir well before use, if it is not sticky, it is not suitable to add water to prevent the bottom from showing through 1. Brush the latex paint for the third time: the method is the same as the second time for the latex paint. Since the latex paint film dries quickly, it should be worked continuously and quickly. When painting, start from one end and gradually brush to the other end. One row of pens is followed by the previous row of pens to avoid the phenomenon of joints after drying, and the first layer of three-layer latex paint adds 5-10% water to promote wall absorption, and uses a coarse roller brush, and then two layers of latex paint No need to add water, use a fine roller brush;

Step 5. Cleaning and inspection: After the topcoat construction in step 4 is completed, check whether the color of the wall meets the design requirements, whether the color of the painted surface is the same, and check whether there are quality defects such as foaming and missing paint on the wall.

Observing the construction process of the above-mentioned embodiment one and comparative example one, it can be known that in the embodiment one, due to the increase of the primer brushing step in the putty brushing process, the pulverization phenomenon in the later stage of the putty can be reduced, and the surface coating in the construction process of the topcoat can be improved. Cleanliness, and the increase of black PE film can reduce the primer film formation too fast due to the high external temperature during the painting process, so that the primer cannot penetrate into the base layer of the exterior wall, resulting in poor adhesion, Comparative example 1 improves the adhesion between the putty and the wall.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (7)

1. The house building wall painting construction method is characterized by comprising the following specific steps of:

step one, base layer treatment: firstly, removing the peeling, loosening and swelling places on the wall surface through polishing equipment, removing impurities remained on the surface of a base layer, and then cleaning a release agent and greasy dirt on the surface of cast-in-place concrete through alkaline water, wherein the impurities comprise but are not limited to dust, dirt and mortar;

step two, putty coating: after the base layer treatment in the first step is finished, firstly leveling the sunken parts where the wall surface collides with by using putty powder, after the putty powder is dried, polishing and leveling, then coating the base layer of the wall surface by using waterproof paint primer, then coating the base layer of the wall surface with the putty powder, after the putty powder is dried, polishing the protruding parts by using No. 1 sand paper, and cleaning floating dust attached to the base layer of the wall surface;

thirdly, primer construction: after the putty is coated in the second step, selecting transparent seal primer, adding a proper amount of water into the primer before using, stirring to ensure that the primer keeps a certain viscosity, and uniformly coating the diluted primer on a wall surface;

step four, finishing coat construction: after the primer construction in the third step is completed, three layers of emulsion paints are painted on the wall surface, and the emulsion paints are painted for the first time: the painting sequence is to brush the top plate and then brush the wall surface, the wall surface is cleaned firstly from top to bottom, and the dust on the wall surface is wiped off by cloth; brushing the emulsion paint for the second time: the requirements are the same as the first time, the emulsion paint is fully stirred before use, if not sticky, water is not added, so that the emulsion paint is prevented from penetrating through the bottom, and the emulsion paint is brushed for the third time: the method is the same as that of the emulsion paint for the second time, as the emulsion paint dries faster, continuous and rapid operation should be carried out, when the emulsion paint is painted, the emulsion paint is gradually brushed from one end to the other end, the emulsion paint is required to be mutually connected up and down, and the next pen row is immediately connected with the previous pen row, so that the phenomenon of joint after drying is avoided;

step five, cleaning and checking: after finishing the finish construction in the fourth step, checking whether the color of the wall surface meets the design requirement, checking whether the color of the painted surface is the same, and checking whether the quality defect of foaming and brushing leakage exists in the wall body.

2. The method for painting and constructing the wall surface of the building according to claim 1, wherein the step of painting and brushing the putty in the step two specifically comprises the following steps: the method comprises the steps of putty leveling, primer coating, putty coating and putty maintenance, wherein the putty leveling is to level the sinking places where the wall surface collides with putty powder respectively, in the construction process, a scraper is adopted to fill holes and cracks of a base layer, then an index finger is pressed on a blade, the putty is pressed into the defect, the defect needs to be filled and filled, the putty is coated back and forth, and then the putty powder is polished to be flat after being dried.

3. The house building wall painting construction method according to claim 2, characterized in that: the primer brushing step specifically comprises the following steps: the waterproof paint primer is stirred uniformly, then a long rolling brush or a rubber brush scraper is used for scraping and coating the waterproof material on the base layer, the waterproof material is uniformly coated, the waterproof paint cannot be piled up and exposed to the bottom when being coated, the coating amount is preferably 0.4 kg/square meter-0.5 kg/square meter, and the waterproof paint can be coated for the second time after being completely dried in the first time.

4. The house building wall painting construction method according to claim 2, characterized in that: the putty coating and putty maintenance process is to coat putty powder on a wall surface base layer after the primer coating is finished, and to add a proper amount of glue into the putty powder, to grind the protruding part flat by No. 1 sand paper after drying, and to clean floating dust attached on the protruding part flat and to spray water on the surface of the putty powder for maintenance.

5. The method for coating and constructing the wall surface of the building according to claim 4, which is characterized in that: the putty powder in the putty leveling and brushing process adopts one of gypsum putty, cellulose white putty or glue putty, and the curing time of the putty curing step is 14 days until the PH value is less than 10 and the water content is less than 10 percent, and then the construction of the next working procedure can be carried out.

6. The house building wall painting construction method according to claim 1, wherein: the primer in the third step adopts seal primer, the wall surface base layer is polished and leveled before the primer is painted, floating dust is cleaned, a construction tool is kept clean, the seal primer is ensured not to be polluted and does not contain any sundries, the wall body is covered by adopting a black pe film after the primer is painted, and after the primer is dried to form a film, the pe film is removed for subsequent flow.

7. The house building wall painting construction method according to claim 1, wherein: the finishing paint construction sequence in the fourth step is as follows: firstly, ceilings, lines and walls, wherein 5-10% of water is added into the first layer of the three-layer emulsion paint to promote wall absorption, a coarse rolling brush is adopted, and the second two layers of emulsion paint do not need to be added with water, and a fine rolling brush is adopted.

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