CN109797922B - Sand wall texture outer wall surface and construction method thereof - Google Patents
Sand wall texture outer wall surface and construction method thereof Download PDFInfo
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- CN109797922B CN109797922B CN201910115559.1A CN201910115559A CN109797922B CN 109797922 B CN109797922 B CN 109797922B CN 201910115559 A CN201910115559 A CN 201910115559A CN 109797922 B CN109797922 B CN 109797922B
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Abstract
The invention discloses an external wall with sand wall texture and a construction method thereof, belonging to the technical field of building wall decoration, and the technical key points are as follows: the utility model provides an outer wall surface is felt to sand wall, includes the wall basic unit, the outer coating of wall basic unit has putty layer, priming paint layer, real stone lacquer layer and finish paint layer, be equipped with the composite fiber layer between wall basic unit and the putty layer. The invention can improve the texture of the sand wall only by adopting a spraying mode, so that the whole external wall surface with the texture of the sand wall has more texture and beautiful decorative degree, and simultaneously, the phenomenon that the skin of the external wall surface falls off can be reduced, and the integral firmness of the external wall surface is improved.
Description
Technical Field
The invention belongs to the technical field of building wall decoration, and particularly relates to an external wall with a sand wall texture and a construction method thereof.
Background
With the rapid development of economy, people pay more and more attention to the living standard and the living quality, and the demand on the external wall of a building is more and more, such as the external wall surface with the texture of a sand wall.
The outer wall surface with the sand wall texture is mainly characterized in that a layer of sand wall paint is coated on the outer wall surface, the sand wall paint is produced by using a water-based acrylic adhesive and other auxiliary agents, belongs to one of elastic texture paint, and has excellent weather resistance, ultraviolet resistance and aging resistance, so that the outer wall surface can be long-lived and new. The specially designed viscosity structure has good flexibility and can bridge small wall cracks. The coating is washable, the thick paste coating can protect the building more effectively, and the sand wall has changeable texture decorative effect.
At present, the existing external wall with sand wall texture is mainly sprayed on the external wall surface by a spray head, the texture formed after spraying mainly comes from the particle size of sand wall paint, but the texture of the external wall surface formed only by a spraying mode is not obvious in overall effect, and construction workers are required to perform secondary or multiple processing to enrich the decorative effect of the sand wall texture, so that the construction period of the external wall surface is prolonged, the technical difficulty of construction is increased, and the project price is improved. Therefore, a new technical solution is needed to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the external wall surface with the sand wall texture, which can improve the sand wall texture only by adopting a spraying mode, so that the whole external wall surface with the sand wall texture has the texture and the decorative aesthetic degree, the phenomenon of skin shedding of the external wall surface can be reduced, and the integral firmness of the external wall surface is improved.
In order to achieve the first purpose, the invention provides the following technical scheme: the utility model provides an outer wall surface is felt to sand wall, includes the wall basic unit, the outer coating of wall basic unit has putty layer, priming paint layer, real stone lacquer layer and finish paint layer, be equipped with the composite fiber layer between wall basic unit and the putty layer.
By adopting the technical scheme, the composite fiber layer (such as the plant fiber layer, the industrial polyester waste silk layer and the like) is arranged, namely, the plant fiber, the industrial polyester waste silk and other fibers are doped in the putty coating, and then the putty coating is coated on the surface of the putty layer, so that the whole putty layer can be connected into a whole by taking the putty coating as the channels and collaterals or bones similar to the human body by means of the toughness and the connection strength of the fibers, and the connection fastness of the whole sand wall texture outer wall surface is improved. Simultaneously, the existence of fibre has still increased the unsmooth sense when the real stone lacquer layer of spraying, and the sand wall feel not only can rely on the particle size of real stone material in the real stone lacquer layer this moment, but also can be with the help of the unsmooth sense that a large amount of fibre in the composite fiber layer brought to increase the sand wall feel of outer wall face. The sand wall texture that only adopts the mode of spraying can improve from this for the whole sand wall texture's outer wall face has feel and the pleasing to the eye degree of decoration more, can also reduce the phenomenon emergence that the outer wall face epidermis drops simultaneously, has improved the holistic firmness of outer wall face.
The invention is further configured to: the composite fiber layer is provided with a polypropylene fiber net on one side far away from the wall surface base layer.
By adopting the technical scheme, the polypropylene fiber net is arranged, and the polypropylene fibers in the polypropylene fiber net are arranged in a criss-cross mode, so that the whole putty layer is connected into a whole, and the connection fastness of the whole sand wall texture outer wall surface is improved.
The invention is further configured to: a plurality of grooves are formed in the surface of the wall surface base layer.
Through adopting above-mentioned technical scheme, the setting of recess has increased the unsmooth sense of outer wall face, can further enrich the decorative effect of sand wall feel.
The invention is further configured to: the wall surface base layer is characterized in that a plurality of expansion screws are arranged on the polypropylene fiber net, one ends of the expansion screws are fixedly connected to the polypropylene fiber net, and the other ends of the expansion screws sequentially penetrate through the composite fiber layer and are fixedly installed in grooves of the wall surface base layer.
By adopting the technical scheme, the connection strength between the polypropylene fiber net and the wall surface base layer is increased, and the probability of mutual separation of the composite fiber layer and the wall surface base layer is reduced; thereby improving the connection fastness of the whole sand wall texture outer wall surface and further prolonging the service life of the sand wall texture outer wall surface.
The invention is further configured to: the composite fiber layer comprises straw fibers, palm fibers and polyester fibers, and the ratio of the straw fibers to the palm fibers to the polyester fibers is 1:1 (0.3-0.5).
Through adopting above-mentioned technical scheme, straw fiber and palm fibre all are common plant fiber, but straw fiber's price is more substantial, and when using with palm fibre and polyester fiber collocation, on the basis of keeping the good fibre toughness of composite fiber layer, can also practice thrift the cost, very practical.
The invention is further configured to: the straw fiber is treated by soaking in boiled water for 15-30min, and draining.
By adopting the technical scheme, the straw fiber after being soaked and boiled in boiled water has better toughness, so that the overall strength of the composite fiber layer is improved.
Aiming at the defects in the prior art, the second purpose of the invention is to provide a construction method of an external wall surface with sand wall texture, which can not only ensure the good texture requirement of the external wall surface, but also shorten the construction period and reduce the technical difficulty of construction, thereby saving the construction cost and improving the quality and efficiency of the engineering.
In order to achieve the second purpose, the invention provides the following technical scheme: a construction method of an external wall surface with sand wall texture comprises the following steps:
firstly, soaking and boiling straw fibers and palm fibers in boiled water for 15-30min, and dewatering and draining for later use;
secondly, cutting a plurality of rows of grooves on the wall surface base layer;
thirdly, cleaning peeling, redundant oil stains, dust and loose wall skin on the wall surface base layer;
step four, putty coating: coating putty on the cleaned wall surface base layer obtained in the third step;
step five, immersing the composite fiber layer in the putty slurry, then attaching the composite fiber layer to the putty layer obtained in the step four, then filling gaps among the composite fiber layers with putty, and naturally drying for 4-6 hours;
step six, a layer of polypropylene fiber net is laid on the composite fiber layer obtained in the step five, and is respectively fixed in the grooves by adopting expansion screws, then putty is added in the grooves for filling, and the mixture is naturally dried for 4 to 6 hours;
and seventhly, rolling and coating a primer layer outside the polypropylene fiber mesh layer obtained in the sixth step, naturally drying for 3-5 hours, spraying a real stone paint layer again, and rolling and coating a surface paint layer after drying for 3-5 hours.
By adopting the technical scheme, the good texture requirement of the outer wall surface can be ensured according to the outer wall surface obtained by the construction in the steps, the construction period can be shortened, and the technical difficulty of construction is reduced, so that the construction cost is saved, and the quality and the efficiency of engineering are improved.
The invention is further configured to: in the seventh step, the air pressure of a spray gun is 4-7kg/cm when the real stone paint layer is sprayed2The thickness is 2-3 cm.
By adopting the technical scheme, the spraying work is carried out under the air pressure, and the texture of the real stone paint layer formed by spraying is better.
In conclusion, the invention has the following beneficial effects:
1. the invention can improve the texture of the sand wall only by adopting a spraying mode, so that the whole external wall surface with the texture of the sand wall has more texture and beautiful decorative degree, and simultaneously, the phenomenon that the skin of the external wall surface falls off can be reduced, and the integral firmness of the external wall surface is improved;
2. the connection strength between the polypropylene fiber net and the wall surface base layer is improved, and the probability of mutual separation of the composite fiber layer and the wall surface base layer is reduced; thereby improving the connection fastness of the whole sand wall texture outer wall surface and further prolonging the service life of the sand wall texture outer wall surface;
3. the optimized construction method can not only ensure the good texture requirement of the outer wall surface, but also shorten the construction period and reduce the technical difficulty of construction, thereby saving the construction cost and improving the quality and the efficiency of the project.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a process flow diagram of example 4 or example 5 of the present invention.
Description of the drawings: 1. a wall surface base layer; 2. a putty layer; 3. a primer layer; 4. a real stone paint layer; 5. a surface paint layer; 6. a composite fiber layer; 7. a polypropylene fiber web; 8. a groove; 9. and (4) expanding the screw.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: the utility model provides an outer wall of sand wall feel, as shown in figure 1, includes wall basic unit 1, and above-mentioned wall basic unit 1 can adopt reinforced concrete layer, has putty layer 2, priming paint layer 3, real stone paint layer 4 and finish paint layer 5 in the coating in proper order outside above-mentioned wall basic unit 1. Wherein, the putty layer 2 can adopt a flexible waterproof putty layer 2, belongs to a cement-based system, and can be subjected to the next procedure after being coated by a blade and dried once so as to avoid the phenomenon of alkali reversion. And secondly, the base coat layer 3 can adopt an alkali-resistant transparent base coat layer 3 (the main raw material is water-based transparent alkali-resistant primer 26D) which is used for sealing capillary pores of the base material, has good sealing property and alkali resistance and mildew resistance, and can enhance the firmness and durability of the base layer. The real stone paint layer 4 can adopt a natural real stone paint layer 4 (the main raw material is natural real stone paint PSZ-I). In addition, the surface paint layer 5 can be made of thermal insulation finishing paint (the main raw material is architectural reflective thermal insulation paint outer wall paint GB 305). The materials are common raw materials for construction, have excellent performance and can ensure that the outer wall surface has better texture.
In order to further improve the texture of the sand wall, a composite fiber layer 6 is arranged between the wall surface base layer 1 and the putty layer 2, the thickness of the composite fiber layer 6 is one third of that of the putty layer 2, and the proportion of the composite fiber layer 6 can be controlled to be one fifth or even one tenth of that of the putty layer 2. The composite fiber layer 6 can comprise straw fibers, palm fibers and polyester fibers, and the ratio of the straw fibers to the palm fibers to the polyester fibers is 1:1: 0.3. The composite fiber layer 6 is doped with straw fiber, palm fiber, hemp stalk fiber, and polyester fiber at intervals of 5-10cm/m to form composite fiber unit of about 1 square meter2The composite fiber units are coated on the outer upper surface of the putty layer 2 (the adjacent composite fiber units can be mutually staggered and bonded when the putty is supplemented to form a mutually connected whole), and at the moment, the composite fiber units can be used as channels and collaterals or bones similar to a human body to connect the whole putty layer 2 into a whole by means of the toughness and the connection strength of the fibers, so that the connection fastness of the whole sand wall texture outer wall surface is improved. Meanwhile, the existence of the fiber also increases the concave-convex feeling when the real stone paint layer 4 is sprayed to a certain extent (the concave-convex feeling only causes local concave-convex change due to the dead weight of the composite fiber layer 6, and the numerical value of the local concave-convex change is controlled between 3cm and 5 cm). At this time, the texture of the sand wall can be increased by means of the particle size of the real stone material in the real stone paint layer 4 and the concave-convex feeling brought by a large amount of fibers in the composite fiber layer 6. The sand wall texture that only adopts the mode of spraying can improve from this for the whole sand wall texture's outer wall face has feel and the pleasing to the eye degree of decoration more, can also reduce the phenomenon emergence that the outer wall face epidermis drops simultaneously, has improved the holistic firmness of outer wall face.
In order to improve the overall strength of the composite fiber layer 6, the straw fiber is treated by soaking and boiling in boiled water for 15min, and then dewatering and draining. At the moment, the straw fiber is firmer in use, so that the straw fiber is woven with fibers such as palm fiber and polyester fiber or directly mixed and doped in the putty glue stock for use, the strength of the composite fiber layer 6 is greatly improved, and the fastness of the whole outer wall surface is effectively improved.
In order to further improve the connection fastness of the whole sand-textured outer wall surface, the polypropylene fiber net 7 is arranged on the side of the composite fiber layer 6 far away from the wall surface base layer 1, at the moment, the polypropylene fiber net 7 can be directly laid outside the composite fiber layer 6 in a dry mode, and the polypropylene fiber net 7 can also be fixed on the wall surface base layer 1 by a stapler or a nail gun. Therefore, the polypropylene fibers in the polypropylene fiber net 7 are arranged in a criss-cross mode, and the whole putty layer 2 is connected into a whole, so that the connection fastness of the whole sand wall texture outer wall surface is improved.
In order to further enrich the decoration effect of the sand wall texture, the surface of the wall surface base layer 1 is provided with a plurality of comprehensively staggered grooves 8, the side surfaces of the grooves 8 are rectangular, and the depth and the width of each groove 8 are controlled to be 2-3 cm. Therefore, the concave-convex feeling of the outer wall surface can be increased, and the decorative effect of the sand wall texture can be further enriched.
In order to further prolong the service life of the outer wall surface, expansion screws 9 are arranged on the polypropylene fiber net 7 (namely four expansion screws 9 are arranged at four corners of the polypropylene fiber net 7 in unit area, and one expansion screw 9 is shared by four adjacent polypropylene fiber nets 7 in unit area), and the surface of each expansion screw 9 is coated with a layer of antirust paint. And secondly, one end of the expansion screw 9 is bound on the polypropylene fiber net 7 by adopting a plastic binding tape, and the other end of the expansion screw penetrates through the composite fiber layer 6 in sequence and is fixedly installed in the groove 8 of the wall surface base layer 1. Therefore, the connection strength between the polypropylene fiber net 7 and the wall surface base layer 1 is increased, and the probability that the composite fiber layer 6 is separated from the wall surface base layer 1 is reduced; thereby improving the connection fastness of the whole sand wall texture outer wall surface and further prolonging the service life of the sand wall texture outer wall surface.
Example 2: an exterior wall with a sand wall texture, which is different from the exterior wall in the embodiment 1: the composite fiber layer 6 comprises straw fibers, palm fibers and polyester fibers, and the ratio of the straw fibers to the palm fibers to the polyester fibers is 1:1: 0.5.
Example 3: an exterior wall with a sand wall texture, which is different from the exterior wall in the embodiment 1: the straw fiber is treated by soaking in boiled water for 30min, dewatering and draining. Thereby greatly improving the toughness and the strength of the fiber.
Example 4: a method for constructing an exterior wall with a sand texture, as shown in fig. 2, which can be used to complete the construction of any one of the exterior walls of examples 1-3, comprising the steps of:
firstly, soaking and boiling straw fibers and palm fibers in boiled water for 15min, and draining off water for later use;
secondly, cutting a plurality of rows of rectangular grooves 8 on the wall surface base layer 1, wherein the width of each groove 8 is equal to the maximum diameter of each expansion screw 9;
step three, cleaning the peeling, redundant oil stains, dust and loose wall skin on the wall surface base layer 1, knocking off the convex part to polish the convex part smoothly, and knocking off the hollowing part to polish the convex part again; then filling the staggered parts of the joints and the larger depressions with polymerized cement mortar, and drying for 4 hours;
step four, putty coating: coating putty on the cleaned wall surface base layer 1 obtained in the step three, firstly adding water into putty powder, stirring the putty powder to be viscous, standing the mixture for 5 to 10 minutes, stirring the mixture once again, scraping the mixture by 0.1 to 1.0mm in batches, and scraping the mixture to be flat when the mixture is thin and easy to scrape in batches;
step five, immersing the composite fiber layer 6 in putty, then attaching the putty layer 6 to the putty layer 2 obtained in the step four, then filling gaps among the composite fiber layers with the putty, and naturally drying for 4 hours;
step six, a layer of polypropylene fiber net 7 is laid on the composite fiber layer 6 obtained in the step five, and is respectively fixed in the groove 8 by adopting expansion screws 9, and then putty is added in the groove 8 to fill up a gap formed by fixing the expansion screws; naturally drying for 4 h;
and seventhly, coating a priming paint layer 3 on the dried putty layer 2 by rolling by using a hair roller outside the polypropylene fiber mesh 7 obtained in the sixth step, naturally drying for 3 hours, then spraying a real stone paint layer 4 by using a spray gun, drying the surface of the real stone paint layer 4 after drying for 3 hours, and coating a surface paint layer 5 on the surface of the dried real stone paint layer 4 by rolling.
Example 5: a method for constructing an exterior wall with a sand texture, as shown in fig. 2, which can be used to complete the construction of any one of the exterior walls of examples 1-3, comprising the steps of:
firstly, soaking and boiling straw fibers and palm fibers in boiled water for 30min, and draining off water for later use;
secondly, cutting a plurality of rows of rectangular grooves 8 of the grooves 8 on the wall surface base layer 1, wherein the width of each groove 8 is equal to the maximum diameter of each expansion screw 9;
step three, cleaning the peeling, redundant oil stains, dust and loose wall skin on the wall surface base layer 1, knocking off the convex part to polish the convex part smoothly, and knocking off the hollowing part to polish the convex part again; then filling the staggered parts of the joints and the larger depressions with polymerized cement mortar, and drying for 5 hours;
step four, putty coating: coating putty on the cleaned wall surface base layer 1 obtained in the step three, firstly adding water into putty powder, stirring the putty powder to be viscous, standing the mixture for 5 to 10 minutes, stirring the mixture once again, scraping the mixture by 0.1 to 1.0mm in batches, and scraping the mixture to be flat when the mixture is thin and easy to scrape in batches;
step five, immersing the composite fiber layer 6 in putty, then attaching the putty layer 6 to the putty layer 2 obtained in the step four, then filling gaps among the composite fiber layers with the putty, and naturally drying for 6 hours;
step six, a layer of polypropylene fiber net 7 is laid on the composite fiber layer 6 obtained in the step five, and is respectively fixed in the groove 8 by adopting expansion screws 9, then putty is added in the groove 8 to fill up the gap formed by fixing the expansion screws, and the mixture is naturally dried for 6 hours;
and seventhly, coating a priming paint layer 3 on the dried putty layer 2 by rolling by using a hair roller outside the polypropylene fiber net 7 obtained in the sixth step, naturally drying for 5 hours, then spraying a real stone paint layer 4 by using a spray gun, drying the surface of the real stone paint layer 4 after drying for 3 hours, and rolling and coating a surface paint layer 5 after drying for 5 hours.
Comparative example 1: an exterior wall with a sand wall texture, which is different from the exterior wall in the embodiment 1: the outer wall surface does not contain the composite fiber layer 6, but contains the polypropylene fiber net 7, and the polypropylene fiber net 7 is fixed on the wall surface base layer 1 by a stapler.
Comparative example 2: an exterior wall with a sand wall texture, which is different from the exterior wall in the embodiment 1: the outer wall surface does not contain the polypropylene fiber net 7, but contains the composite fiber layer 6, the composite fiber layer 6 is directly laid outside the putty layer 2 in a dry mode, and the step of immersing the composite fibers in the composite fiber layer 6 in the putty layer 2 in advance for pre-dipping treatment is omitted.
Comparative example 3: an exterior wall with a sand wall texture, which is different from the exterior wall in the embodiment 1: the outer wall surface does not contain the composite fiber layer 6 and the polypropylene fiber net 7.
Test one: the paper texture of sand wall and the overall firmness test object of outer wall surface: examples 1-3 were used as test samples 1-3, each group of samples had 10 hand samples of 1 square meter, comparative examples 1-3 were used as control samples 1-3, and each group of samples had 10 hand samples of 1 square meter.
The test method comprises the following steps: randomly selecting 70 consumers, wherein the age groups are different from 30 to 60 years old, firstly carrying out sensory evaluation on the paper feeling of the sand wall, respectively evaluating the test samples 1 to 3 and the comparison samples 1 to 3, carrying out scoring statistics according to detection standards, removing a highest score and a lowest score, calculating an average score, and registering the average score in a table 2.
Firmness detection mode: after each group of samples is marked, the destructive test is carried out uniformly, and the test samples 1-3 and the control samples 1-3 are respectively carried out.
And (3) test results: as shown in tables 1 and 2, the sand walls of the test samples 1 to 3 have good paper quality (the paper quality refers to that the formed exterior wall surface can form texture, texture or shading similar to the surface of paper), the exterior wall surface has a certain concave-convex feeling, and the overall firmness and appearance of the exterior wall surface are not changed greatly after destructive test, so that the sand walls meet the fastness requirement; the texture of the wallpaper of the comparison sample 1 is general, the concave-convex feeling of the outer wall surface is not prominent, and the overall firmness and the appearance of the outer wall surface are slightly changed after destructive test, but meet the requirements. In addition, the texture of the wallpaper of the control sample 2 is poor, the concave-convex feeling of the outer wall surface is too large, and the overall firmness and appearance change of the outer wall surface after destructive test is not satisfactory. The texture of the wallpaper of the control sample 3 is general, the concave-convex feeling of the outer wall surface is not prominent, and the overall firmness and the appearance of the outer wall surface are slightly changed after destructive test, but meet the requirements, but are obviously slightly lower than the scores of the test samples 1-3 in terms of data score.
TABLE 1 test criteria score
TABLE 2 results of scoring for test samples 1-3 and control samples 1-3
| Sample numbering | Score of | Sample numbering | Score of |
| Test sample 1 | 84.4 | Control sample 1 | 55 |
| Test sample 2 | 79.6 | Control sample 2 | 28.6 |
| Test sample 3 | 89 | Control sample 3 | 69 |
The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (2)
1. The sand wall texture outer wall comprises a wall surface base layer (1), wherein a putty layer (2), a primer layer (3), a real stone paint layer (4) and a surface paint layer (5) are coated outside the wall surface base layer (1), and the sand wall texture outer wall is characterized in that a composite fiber layer (6) is arranged between the wall surface base layer (1) and the putty layer (2), and a polypropylene fiber net (7) is arranged on one side, far away from the wall surface base layer (1), of the composite fiber layer (6); the surface of the wall surface base layer (1) is provided with a plurality of grooves (8), the polypropylene fiber net (7) is provided with a plurality of expansion screws (9), one end of each expansion screw (9) is fixedly connected to the polypropylene fiber net (7), and the other end of each expansion screw penetrates through the composite fiber layer (6) in sequence and is fixedly installed in the groove (8) of the wall surface base layer (1); the composite fiber layer (6) comprises straw fibers, palm fibers and polyester fibers, and the proportion of the straw fibers, the palm fibers and the polyester fibers is 1:1 (0.3-0.5);
the construction method of the sand wall texture outer wall surface is characterized by comprising the following steps:
firstly, soaking and boiling straw fibers and palm fibers in boiled water for 15-30min, and dewatering and draining for later use;
secondly, digging a plurality of rows of grooves (8) on the wall surface base layer (1);
thirdly, cleaning peeling, redundant oil stains, dust and loose wall skin on the wall surface base layer (1);
step four, putty coating: coating putty on the cleaned wall surface base layer (1) obtained in the step three;
step five, immersing the composite fiber layer (6) in the putty slurry, then attaching the putty layer to the putty layer (2) obtained in the step four, then filling gaps among the composite fiber layers with putty, and naturally drying for 4-6 hours; the specific operation mode of coating the composite fiber layer (6) on the putty layer (2) is as follows: the straw fiber, the palm fiber, the hemp stalk fiber and the polyester fiber in the composite fiber layer (6) are doped in the putty coating to be used as a composite fiber unit with the square meter of 1, and are arranged at intervals of 5-10cm/m2Coating the composite fiber unit on the outer upper surface of the putty layer (2);
step six, a layer of polypropylene fiber net (7) is laid on the composite fiber layer (6) obtained in the step five, and is respectively fixed in the groove (8) by adopting an expansion screw (9), and then putty is added in the groove (8) for filling; naturally drying for 4-6 h;
and seventhly, rolling and coating a primer layer (3) outside the polypropylene fiber net (7) obtained in the sixth step, naturally drying for 3-5 hours, spraying a real stone paint layer (4) again, and rolling and coating a surface paint layer (5) after drying for 3-5 hours.
2. The exterior wall with sand texture as claimed in claim 1, wherein in step seven, the air pressure of the spray gun used for spraying the real stone paint layer (4) is 4-7kg/cm2The thickness is 2-3 cm.
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| CN111286226B (en) * | 2020-04-16 | 2021-06-08 | 湖南威邦新材料有限公司 | High-strength anti-cracking type external wall elastic putty powder additive master batch and preparation method thereof |
| CN112814300B (en) * | 2020-12-31 | 2022-04-01 | 富思特新材料科技发展股份有限公司 | Coating method capable of replacing wall decoration layer |
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| CN208072834U (en) * | 2018-03-27 | 2018-11-09 | 湖北启利新材料股份有限公司 | A kind of imitative stone decoration board of exterior wall |
| CN108756103A (en) * | 2018-07-10 | 2018-11-06 | 太仓市美航涂料有限公司 | A kind of lacquer coating that fastness is good |
| CN109025356A (en) * | 2018-09-13 | 2018-12-18 | 湖南省金海科技有限公司 | A kind of exterior wall retrofit coating process |
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| CN109797922A (en) | 2019-05-24 |
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