Natural stone powder finishing construction process

Abstract

The application relates to a natural stone powder finishing construction process, which comprises the following steps: step one, material arrival inspection; step two, base layer pretreatment; step three, after the base layer treatment is completed, an alkali-resistant sealing liquid is sprayed to seal the bottom; step four, base coarse aggregate layer construction: a first coarse aggregate layer is scraped to form a base and an alkali-resistant grid cloth is attached, after the base is solidified and dried, a cake is attached to form a reinforcing rib, and a second coarse aggregate layer is sprayed and leveled by using a spraying machine; step five, middle coating layer construction: after the second coarse aggregate layer is solidified and dried, a first middle coating layer is scraped, vertical scraping and gradual leveling are carried out, after the first middle coating layer is solidified and dried, a second middle coating layer is scraped horizontally and is precisely leveled; and step six, surface coating layer construction: the surface coating layer is scraped vertically, and light is collected before the surface coating layer is initially solidified and hardened. Compared with a traditional construction method, the construction process is more suitable for natural stone powder construction, and is simple, convenient and environment-friendly.

Description

Technical Field

[0001] The present application relates to the field of building construction technology, and in particular to a natural stone powder finishing construction process. Background Art

[0002] Natural stone powder paint refers to a product made from natural carbonate monoclinic mineral hard stone that has been carefully selected, processed and ground using modern production technology. It is mainly powder and some auxiliary materials are added.

[0003] Currently, in civil engineering projects, functional coatings are applied to foundation walls to extend their lifespan and functionality, providing both protection and decoration. However, in damp, dark, and poorly ventilated basements, utility rooms, and public areas, surfaces coated with traditional coatings are prone to mildew, peeling, flaking, alkali reversion, and discoloration. Natural stone powder coatings, as an emerging coating, can effectively prevent these issues. However, applying natural stone powder coatings using traditional coating finishing techniques often fails to achieve the desired results, necessitating standardized application procedures for natural stone powder coatings. Summary of the Invention

[0004] Based on this, it is necessary to provide a natural stone powder paint finishing construction process to solve the problem that the natural stone powder paint applied by the traditional paint finishing construction process often fails to achieve the expected effect during the practical process.

[0005] A natural stone powder finishing construction process comprises the following steps:

[0006] Step 1: Material incoming inspection: inspect the appearance, specifications, quantity, material certificate and factory certificate of natural stone powder materials;

[0007] Step 2: Base pretreatment: Clean the base surface and initially level it to meet the coating base requirements.

[0008] Step 3: After the base treatment is completed, spray the anti-alkali bottom sealing liquid to seal the bottom;

[0009] Step 4: Construction of base coarse aggregate layer: scrape and apply the first coarse aggregate layer as a primer and apply alkali-resistant mesh cloth. After the primer solidifies and dries, apply the cakes and punch the ribs. Use a sprayer to spray and level the second coarse aggregate layer.

[0010] Step 5: Construction of the middle coating layer: After the second coarse aggregate layer solidifies and dries, apply the first middle coating layer vertically and gradually level it. After the first middle coating layer solidifies and dries, apply the second middle coating layer horizontally and level it precisely.

[0011] Step 6: Topcoat application: Apply the topcoat vertically and smooth it before the topcoat solidifies.

[0012] As a preferred construction process of natural stone powder finishing in the present invention, in the step 2, the pretreatment includes: checking the surface of the base layer, removing loose and non-dense mortar joints, shaving the tongue ash and protruding parts on the surface of the base layer, and cleaning the wall surface with one or more of a wire brush, coarse gauze and a broom, removing dust, dirt and oil stains on the surface of the base layer, and filling and leveling the holes and grooves after the scaffolding and water and electricity concealed pipes are installed in layers.

[0013] As a preferred embodiment of the natural stone powder finishing construction process in the present invention, in the step three, the alkali-resistant sealing liquid is diluted with clean water with a maximum dilution amount of not more than 15%. When brushing, a roller or a brush is used to evenly roll the treatment area at least once in directions perpendicular to each other, or it is evenly sprayed once.

[0014] As a preferred embodiment of the natural stone powder finishing construction process in the present invention, in step 4, the natural stone powder composition ratio used in the base coarse aggregate layer is quartz ore powder: dried sand: silicate cement or ordinary silicate cement: lime calcium = 0.13:0.5:0.27:0.1, and the natural stone powder: water in the coating used for the base coarse aggregate layer is 1:0.45.

[0015] As a preferred embodiment of the natural stone powder finishing construction process in the present invention, in the step four, the plastering and rib punching include: determining the plaster layer thickness control line according to the verticality and flatness of the wall, mixing the base coarse aggregate with clean water into a slurry, and plastering it into a 30mm*50mm square. After determining the position of the plaster cake, first apply the upper plaster cake and then the lower plaster cake. After the plaster cake hardens, use the base coarse aggregate with the same grade as the base coarse aggregate layer to punch the ribs, and the width of the rib strips is 30mm.

[0016] As a preferred embodiment of the natural stone powder finishing construction process of the present invention, in step 4, the alkali-resistant mesh cloth is laid on both sides of the wall where the masonry wall and the concrete wall or the beam and column meet, with a width of not less than 100 mm on each side.

[0017] As a preferred embodiment of the natural stone powder finishing construction process in the present invention, in the step five, the natural stone powder composition ratio used in the middle coating layer is quartz ore powder: electrolytic calcium silicate: gray calcium: ultrafine filler: inorganic silicon powder: inorganic rubber powder = 0.6:0.2:0.1:0.05:0.03:0.02, the natural stone powder in the coating used in the first layer: water = 3:1, and the natural stone powder in the coating used in the second layer: water = 2.8:1.

[0018] As a preferred embodiment of the natural stone powder finishing construction process in the present invention, in step six, the composition ratio of the natural stone powder used in the top coating is quartz ore powder: electrolytic calcium carbonate: gray calcium: ultrafine filler: inorganic silicon powder: inorganic rubber powder = 0.6:0.22:0.13:0.05:0.03:0.02, and the natural stone powder: water in the coating used in the top coating is 2.5:1.

[0019] As a preferred embodiment of the natural stone powder finishing construction process of the present invention, in step six, the finishing must be done three times straight up and down, with one scraper covering 1 / 3-1 / 4 of the upper scraper.

[0020] As a preferred construction process of natural stone powder finishing in the present invention, the base coarse aggregate layer, the middle coating layer and the top coating layer should be constructed in a top-down order, first the details and then the large surface, and the wall separation seams, the wall corners or pipelines should be used as dividing lines when dividing the sections.

[0021] Beneficial effects of the present invention:

[0022] The present invention provides a construction process for natural stone powder facing that is suitable for finishing and decoration in humid building environments and for buildings with high requirements for environmental hygiene and fire protection, and can meet the requirements of being moisture-proof, mildew-proof, non-flammable, breathable, and not prone to aging and fading; the natural stone facing effect is restored through the mutual cooperation of an anti-alkali bottom sealing liquid, an anti-alkali mesh cloth, a base coarse aggregate layer, a middle coating layer, and a top coating layer. The natural stone powder coating layer can penetrate into the wall surface to form a silicified surface layer that is waterproof, acid-proof, and alkali-resistant; the natural stone powder material itself is alkaline and will not peel, powder, or other alkali-returning phenomena when it comes into contact with concrete or block bases, and has good antibacterial properties; the natural stone powder surface coating layer will not undergo any chemical reaction when in contact with water, is durable, and will not peel, fall off, be alkali-resistant, or change color when in contact with water; the construction process of the present invention is more suitable for natural stone powder facing construction than traditional construction methods. DETAILED DESCRIPTION

[0023] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar modifications without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0024] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, which indicate orientations or positional relationships, are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present application.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. Throughout the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0026] In this application, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0027] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0028] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0029] This embodiment provides a construction process for natural stone powder walls, which specifically includes the following steps:

[0030] S1: Inspection of natural stone powder materials: Inspection of appearance, specifications, quantity, material certificate and factory certificate of natural stone powder materials, and re-inspection; quality certification documents, including production license, factory certificate, inspection report and Chinese mark.

[0031] S2: Base Preparation: Before applying the coarse aggregate, inspect the base surface and remove any loose, loose mortar joints. Smooth out any grime and protrusions on the base surface and clean it thoroughly with a wire brush, emery cloth, or a broom. Remove any dust, dirt, and oil stains from the base surface. Fill and level any holes or grooves for scaffolding and concealed plumbing installations in layers. If the base is concrete, scrub or roughen the surface. If the base is aerated concrete, first point the joints and repair any missing edges or corners.

[0032] When the base is a concrete base, it must be treated after it is more than 28 days old; when the base is a masonry structure, it must be treated 14 days after the top brick is completed. For defects such as floating dust, slurry, slag inclusions, misalignment, cracks, honeycombs, and template strips on the base surface, chisel and grind them; for oil-contaminated surfaces, use alkali solution and detergent to clean them, and then rinse with fresh water to make the surface oil-free and clean; for rust spots such as metal steel bars, nails, and wires remaining on the concrete base, cut and grind them, and do anti-rust treatment, and seal the openings to meet the requirements of the coating base surface.

[0033] S3: Spraying Alkali-Resistant Sealing Liquid: The construction environment must be dry, with a relative humidity of less than 70% and good ventilation. The base layer and ambient temperature should not drop below +5°C. The base layer should be clean, firm, and free of dust. Grease, moss, and adhesive should be removed. Loose and cracked areas should be chiseled out and repaired in advance. Apply at least one coat perpendicular to the base layer surface, evenly and without missing any areas. Alternatively, spray the base layer evenly.

[0034] The anti-alkali sealing liquid can be applied by brushing, roller coating or spraying. A high-quality sponge roller should be used for roller coating. The roller should be applied from the center and then cross-coated up, down, left and right. At the end, it should be rolled back lightly in one direction to obtain the same refractive index.

[0035] S4: Construction of the Base Coarse Aggregate Layer: Due to the high water retention of the base coarse aggregate, pre-construction wetting of the wall surface is not necessary. Pre-construction mortar should be used to fill joints and repair chipped edges. If the base is a concrete wall, spray the wall with an anti-alkali sealant. Apply the first coarse aggregate layer and then plaster it. Apply firm pressure to force the mortar into the cracks. At the junction of the masonry wall and concrete wall, or beams and columns, lay an anti-alkali mesh cloth at least 200mm wide along the entire length of both sides of the wall. The mesh spacing should be 4*5mm. The fiberglass mesh should have a unit weight of 130g / m² or more, and the reinforcing mesh should have a unit weight of 260g / m² or more.

[0036] After the first coarse aggregate layer solidifies and dries, apply the plastering reinforcement. The thickness control line for the plaster layer is determined based on the wall's flatness. Coarse aggregate is mixed with clean water and plastered into a 30mm x 50mm square. After determining the placement of the plastering, apply the upper plastering first, followed by the lower plastering. The verticality and flatness of the plastering should be checked during construction. After the plastering has hardened, use mortar of the same grade as the base coarse aggregate layer for reinforcement. The number of reinforcement bars should be determined based on the width and height of the wall. For walls less than 3.5m high, vertical reinforcement should be used, with the spacing between the two bars not exceeding 1.5m. For walls greater than 3.5m high, horizontal reinforcement should be used, with the spacing between the two bars not exceeding 2m.

[0037] Construction of the second coarse aggregate layer: Use a multi-function sprayer, adjust the water level, pour the coarse aggregate into the hopper, and use the sprayer to spray the coarse aggregate onto the wall surface. Then use a long scraper to level the wall surface. Use a square to straighten the corners. Then use a wooden trowel to smooth the surface to achieve a rough surface, a flat wall surface, and straight edges and corners. After the rough wall plaster is completed, perform local finishing. After passing the test, apply the topcoat plaster and topcoat paint.

[0038] The natural stone powder used in the base coarse aggregate layer is composed of a ratio of 300-mesh quartz ore powder: 60-80-mesh dried sand: 4.25 Portland cement: limescale = 0.13:0.5:0.27:0.1. The coating used in the base coarse aggregate layer has a ratio of natural stone powder: water = 1:0.45. The water usage depends on the calcium content of the limescale, ambient temperature, humidity, and wind speed. The consistency also depends on the roughness, dryness, smoothness, and thickness of the base layer. Lubricants and water-retaining agents may be added during the preparation process based on actual site conditions. Stir for 5 minutes, then let it stand for at least 6 minutes after mixing thoroughly. Stir for another 5 minutes before use. Mix thoroughly, ensuring there are no raw materials or lumps, and the coating is uniform. After mixing thoroughly, application should be completed within 1.5-2 hours.

[0039] The base coarse aggregate layer is relatively coarse, which can well control the flatness and play a role in preliminary leveling.

[0040] S5: Application of the mid-coat layer: Before applying the first mid-coat layer, remove any small bumps and sand particles on the base coarse aggregate layer. Manually level the potholes and unevenness on the base coarse aggregate layer. After the base material layer is leveled and dry, apply the first mid-coat layer. The first mid-coat layer should be applied vertically and leveled gradually. After application, there should be no scratches on the surface. After the first mid-coat layer is cured and dry, apply the second mid-coat layer horizontally and level it accurately.

[0041] The natural stone powder used in the middle coating layer is composed of a ratio of 208-300 mesh quartz ore powder: electrolytic calcium silicate: 320-400 mesh limestone: ultrafine filler: inorganic silica powder: inorganic rubber powder = 0.6:0.2:0.1:0.05:0.03:0.02. The natural stone powder: water ratio for the first middle coating layer is 3:1, and the natural stone powder: water ratio for the second middle coating layer is 2.8:1. The water consumption during the preparation process is related to the calcium content of the limestone, ambient temperature, humidity, wind speed, the roughness of the base coarse aggregate layer, and the dryness of the base coarse aggregate layer. Additives such as water retaining agents, lubricants, defoamers, rheology control agents, dispersants, emulsifiers, wetting agents, anti-cratering agents, scratch resistance improvers, and wear resistance enhancers may be added according to actual site conditions. Stir for 5 minutes, let it stand for no less than 6 minutes after stirring evenly, and then stir for another 5 minutes before use. Stir evenly, and ensure there is no raw material and no lumps.

[0042] The middle coating layer has the special property of connecting the base coarse aggregate layer and the top coating layer, and can provide the top coating layer with a smooth base layer that meets the requirements; it plays an important role in improving the rigid base layer and the flexible coating layer; it eliminates the surface defects of the base coarse aggregate layer and improves the flatness of the base coarse aggregate layer; it plays a role of bonding transition between the base coarse aggregate layer and the top coating layer; as the three levels of the surface layer process: the wall, the middle coating layer and the top coating layer, the deformation coefficients are different when the ambient temperature changes, and the deformation size is also different, which will inevitably cause stress concentration. The middle coating layer among the three levels of natural stone powder relies on its own elasticity to undertake the task of eliminating stress concentration, thereby resisting the cracking of the base layer and effectively preventing the wall from peeling and falling off.

[0043] S6: Topcoat Application: Before application, clean the surface dust and repair any defects on the middle coating layer. Apply the topcoat vertically with a scraper. Finish before the topcoat solidifies. Control the timing of finishing based on the dryness of the topcoat, temperature, humidity, and ventilation conditions. Finish three times in a straight line, with each scraper covering 1 / 3-1 / 4 of the previous one.

[0044] The natural stone powder used in the topcoat is composed of a ratio of 400-600 mesh quartz ore powder: electrolytic calcium carbonate: 320-400 mesh limestone: ultrafine filler: inorganic silica fume: inorganic rubber powder (0.6:0.22:0.13:0.05:0.03:0.02). The topcoat's natural stone powder: water ratio is 2.5:1. The water usage during the formulation process depends on the calcium content of the limestone, ambient temperature, humidity, wind speed, the roughness of the underlying coarse aggregate layer, and the dryness of the underlying coarse aggregate layer. Additives such as water-retaining agents, lubricants, defoamers, rheology control agents, dispersants, emulsifiers, wetting agents, anti-cratering agents, scratch resistance modifiers, and wear resistance enhancers may be added based on site conditions. Stir for 5 minutes, then let stand for at least 6 minutes after mixing thoroughly. Stir for another 5 minutes before use. Mix thoroughly to ensure a uniform, free-from-clumping, free-from-clumping consistency.

[0045] The topcoat can isolate the corrosive media from the outside world, prevent corrosion, and extend the service life. The topcoat has the characteristics of brightness, beauty, vividness, clear lines, and pleasing color. It can change the original color of the object, harmonize colors, improve the environment, and beautify life.

[0046] The base coarse aggregate layer, mid-coat layer, and topcoat should be applied from top to bottom, first with details and then with large surfaces. The dividing lines should be wall joints, corners, or pipelines. Each layer of paint should be dry before the next one can be applied.

[0047] The thickness of each coating varies according to the wall base surface, as shown in Table 1.

[0048] Table 1 Construction materials and layering methods of natural stone powder coatings

[0049]

[0050]

[0051] The construction process of the present invention is carried out in the order of "substrate treatment, base coarse aggregate layer, middle coating layer, and top coating layer". The construction should be carried out according to the construction procedures of cleaning the base layer, applying anti-alkali bottom sealing liquid, pasting and punching ribs (wall surface), leveling the natural stone powder base coarse aggregate, repairing the inner / outer corners, applying the first coat of natural stone powder middle coating, applying the second coat of natural stone powder middle coating, and applying the natural stone powder top coating. The natural stone powder top coating is formed by the mutual cooperation of the anti-alkali bottom sealing liquid, the anti-alkali mesh cloth, the base coarse aggregate layer, the middle coating layer and the top coating. The natural stone powder top coating can penetrate into the wall to form a waterproof, acid-proof, and alkali-resistant silicified surface layer; the natural stone powder material itself is alkaline and will not exhibit alkali-return phenomena such as peeling and powdering and has good antibacterial properties; the natural stone powder top coating will not undergo any chemical reaction when it comes into contact with water, is durable, will not peel or fall off when in contact with water, will not be alkali-adverse, and will not change color. It can be used for finishing and decoration in humid building environments and buildings with high requirements for environmental hygiene or fire protection.

[0052] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0053] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A natural stone powder finishing construction process, characterized in that: The steps include: Step 1: Material incoming inspection: inspect the appearance, specifications, quantity, material certificate and factory certificate of natural stone powder materials; Step 2: Base pretreatment: clean the base surface and initially level it to meet the coating base requirements; Step 3: After the base treatment is completed, spray the anti-alkali bottom sealing liquid to seal the bottom; Step 4: Construction of base coarse aggregate layer: scrape and apply the first coarse aggregate layer as a primer and apply alkali-resistant mesh cloth. After the primer solidifies and dries, apply the cakes and punch the ribs. Use a sprayer to spray and level the second coarse aggregate layer. Step 5: Construction of the middle coating layer: After the second coarse aggregate layer solidifies and dries, apply the first middle coating layer vertically and gradually level it. After the first middle coating layer solidifies and dries, apply the second middle coating layer horizontally and level it precisely. Step 6: Topcoat application: Apply the topcoat vertically and finish the coating before it solidifies. In the step 4, the composition ratio of the natural stone powder used in the base coarse aggregate layer is quartz ore powder: dried sand: silicate cement or ordinary silicate cement: lime calcium = 0.13:0.5:0.27:0.1, and the natural stone powder: water in the coating used in the base coarse aggregate layer is 1:0.

45.

2. The natural stone powder finishing construction process according to claim 1, characterized in that: In the step 2, the pretreatment includes: checking the surface of the base layer, removing loose and non-dense mortar joints, shaving the tongue ash and protruding parts of the base layer surface, and cleaning the wall surface with one or more of a wire brush, coarse gauze and a broom, removing dust, dirt and oil stains on the surface of the base layer, and filling and leveling the holes and grooves after the scaffolding and water and electricity concealed pipes are installed in layers.

3. The natural stone powder finishing construction process according to claim 1, characterized in that: In the step three, the alkali-resistant bottom sealing liquid is diluted with clean water with a maximum dilution amount not higher than 15%. When applying, a roller or a brush is used to evenly roll the liquid on the treated parts in directions perpendicular to each other at least once, or evenly spray it once.

4. The natural stone powder finishing construction process according to claim 1, characterized in that: In the step 4, the plastering and rib punching include: determining the plaster layer thickness control line according to the verticality and flatness of the wall surface, mixing the base coarse aggregate with clean water into a slurry, and plastering it into a 30mm*50mm square. After determining the position of the plaster cake, first apply the upper plaster cake and then the lower plaster cake. After the plaster cake hardens, use the base coarse aggregate with the same grade as the base coarse aggregate layer to punch the ribs, and the width of the rib strips is 30mm.

5. The natural stone powder finishing construction process according to claim 1, characterized in that: In the step 4, the alkali-resistant mesh cloth is laid on both sides of the wall where the masonry wall and the concrete wall or the beam and column meet, with a width of not less than 100 mm on each side.

6. The natural stone powder finishing construction process according to claim 1, characterized in that: In the step five, the composition ratio of the natural stone powder used in the middle coating layer is quartz mineral powder: electrolytic calcium silicate: gray calcium: ultrafine filler: inorganic silicon powder: inorganic rubber powder = 0.6:0.2:0.1:0.05:0.03:0.02, the natural stone powder in the coating used in the first layer: water = 3:1, and the natural stone powder in the coating used in the second layer: water = 2.8:

1.

7. The natural stone powder finishing construction process according to claim 1, characterized in that: In step six, the composition ratio of the natural stone powder used in the top coating is quartz mineral powder: electrolytic calcium carbonate: gray calcium: ultrafine filler: inorganic silicon powder: inorganic rubber powder = 0.6:0.22:0.13:0.05:0.03:0.02, and the natural stone powder: water in the coating used in the top coating is 2.5:

1.

8. The natural stone powder finishing construction process according to claim 1, characterized in that: In step six, the scraper should be scraped straight up and down three times when finishing, with each scraper covering 1 / 3-1 / 4 of the upper scraper.

9. The natural stone powder finishing construction process according to claim 1, characterized in that: The base coarse aggregate layer, middle coating layer and top coating layer should be constructed in the order of top to bottom, first details and then large surfaces. When dividing into sections, the wall separation joints, wall corners or pipelines should be used as dividing lines.

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