CN114370147A - External wall spraying construction process with high smoothness - Google Patents
External wall spraying construction process with high smoothness Download PDFInfo
- Publication number
- CN114370147A CN114370147A CN202210125744.0A CN202210125744A CN114370147A CN 114370147 A CN114370147 A CN 114370147A CN 202210125744 A CN202210125744 A CN 202210125744A CN 114370147 A CN114370147 A CN 114370147A
- Authority
- CN
- China
- Prior art keywords
- wall
- parts
- spraying
- coating
- putty
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005507 spraying Methods 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 85
- 239000011248 coating agent Substances 0.000 claims abstract description 84
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 17
- 239000004744 fabric Substances 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000005498 polishing Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 108010081750 Reticulin Proteins 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 239000000839 emulsion Substances 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 7
- 239000011398 Portland cement Substances 0.000 claims description 6
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 229920003086 cellulose ether Polymers 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 238000005336 cracking Methods 0.000 claims description 6
- 230000002950 deficient Effects 0.000 claims description 6
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 239000003995 emulsifying agent Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 6
- 229910021487 silica fume Inorganic materials 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 230000009974 thixotropic effect Effects 0.000 claims description 6
- 244000137852 Petrea volubilis Species 0.000 claims description 3
- -1 acrylic ester Chemical class 0.000 claims description 2
- 239000000701 coagulant Substances 0.000 claims description 2
- 239000010881 fly ash Substances 0.000 claims description 2
- 239000004816 latex Substances 0.000 claims description 2
- 229920000126 latex Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000003892 spreading Methods 0.000 claims description 2
- 241000755266 Kathetostoma giganteum Species 0.000 claims 1
- 239000003973 paint Substances 0.000 abstract description 10
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- 229920002522 Wood fibre Polymers 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 239000002025 wood fiber Substances 0.000 description 4
- 238000010422 painting Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
- E04F13/047—Plaster carrying meshes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/16—Implements for after-treatment of plaster or the like before it has hardened or dried, e.g. smoothing-tools, profile trowels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/002—Arrangements for cleaning building facades
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00508—Cement paints
Abstract
The invention discloses an external wall spraying construction process with high smoothness, which comprises the following process flows of: cleaning an outer wall, repairing the outer wall, performing waterproof treatment on the outer wall, leveling the outer wall, polishing a putty layer, spraying the outer wall, drying mortar of the outer wall, performing waterproof treatment on the mortar of the outer wall and inspecting the sprayed outer wall. This outer wall spraying construction process that smoothness is high is provided with many levels step, through the restoration to the outer wall base member, twice putty powder paint, fill the cavity on the surface of outer wall body, clear up outstanding part simultaneously, make the outer wall body just keep good roughness before the spraying, the roughness of the spraying of outer wall coating has been improved, the adhesive force of outer wall and coating has been increased simultaneously, reduce the spraying degree of difficulty, improve the efficiency of construction, and inlay netted fiber cloth through the putty in situ, strengthen the overall structure intensity of putty layer, prevent that the putty layer takes place to drop at the in-process putty layer of coating spraying, the spraying intensity of this technology has been improved.
Description
Technical Field
The invention relates to the technical field of external wall spraying, in particular to an external wall spraying construction process with high smoothness.
Background
The paint for external wall is used for painting external vertical wall of building, so that the most important index is ultraviolet radiation resistance, and long-time radiation is required to be realized without color change. At present, the energy-saving and environment-friendly liquid stone water-based paint is more and more concerned by people. Some exterior wall coatings also require water resistance and self-cleaning properties. The paint film is hard and flat, and dirt can be washed off. The exterior wall coating can be used for painting interior walls because the exterior wall coating also has water resistance; the inner wall coating does not have the sun-proof function, so the inner wall coating cannot be used as the outer wall coating, and the outer wall coating is divided into four types according to the decorative texture: thin exterior wall coating: the coating has fine texture and less material consumption, and can also be used for inner wall decoration, including plane coating, sand wall-shaped coating and mica-shaped coating; multilayer pattern coating: the patterns are concave-convex and rich in stereoscopic impression; color sand coating: the dyed quartz sand and the porcelain mica powder are used as main raw materials, so that the color is novel and glittering and translucent; thick coating: the paint can be sprayed, coated, rolled and napped, and can also be used for making patterns with different textures, and the existing exterior wall paint is easily uneven in surface distribution of an exterior wall body during spraying, so that the surface smoothness of the exterior wall body is reduced, and the spraying effect of the exterior wall paint is influenced.
We have therefore proposed a smooth exterior wall painting process to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide an external wall spraying construction process with high smoothness, and aims to solve the problems that the existing external wall coating in the prior market is easy to cause uneven distribution of the surface of an external wall when sprayed, so that the surface smoothness of the external wall is reduced, and the spraying effect of the external wall coating is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a high-smoothness external wall spraying construction process comprises the following process flows:
(1) cleaning an outer wall: cleaning the outer wall by using a brush, removing dust and other impurities on the surface of the outer wall, then washing by using clear water, and naturally drying;
(2) repairing the outer wall: checking the integral structure of the outer wall, finding out the protruding and sunken areas, removing the protruding areas of the outer wall, and repairing the sunken areas of the outer wall by using concrete;
(3) waterproof treatment of the outer wall: spraying the waterproof coating on the outer wall treated in the step (2), drying in the air, and spraying again;
(4) leveling the outer wall: performing putty coating treatment on the outer wall treated in the step (3), uniformly coating the prepared putty slurry on the surface of the outer wall, wherein the thickness of the coating is 0.3-0.4cm, then spreading a reticular fiber cloth on the surface of the putty layer, slightly pressing the reticular fiber cloth to enable the reticular fiber cloth to be embedded into the putty layer, airing for 20-24h, performing putty coating treatment on the outer wall for one time, wherein the thickness of the coating is 0.2-0.3cm, and naturally airing for 36-48 h;
(5) polishing the putty layer: polishing the outer surface of the putty layer by using sand paper, repairing the height of the putty layer, and removing the bulge on the putty layer to enable the surface of the outer wall to be more smooth;
(6) spraying the outer wall: spraying the outer wall mortar on the outer wall treated in the step (5) by using a spraying machine, and repeatedly spraying for 2-3 times;
(7) drying the outer wall mortar: hanging a sun-proof net on the outer wall treated in the step (6), and airing naturally, wherein the sun-proof net is used for preventing the wall surface from being exposed to the sun and preventing the outer wall surface coating from cracking;
(8) waterproof treatment of the external wall mortar: spraying the waterproof coating on the outer wall treated in the step (7) again, and airing;
(9) and (3) inspecting the outer wall spraying: and (5) finally checking the outer wall processed in the step (8), checking whether an uneven place exists or not, and repairing the defective place.
Preferably, the brush in the step (1) is a hard plastic brush, and is washed with clean water for 3-4 times and dried for 3-6 hours.
Preferably, the shoveling in the step (2) is performed by using a flat head shovel, and the concrete comprises the following components in parts by mass: 300 parts of water, 200 parts of Portland cement, 290 parts of silica fume, 60-70 parts of fine sand, 10-15 parts of water reducing agent and 8-15 parts of coagulant, and the concrete is uniformly stirred by a stirrer for use.
Preferably, the waterproof coating in the step (3) comprises the following components in parts by mass: 100-150 parts of acrylic ester waterproof emulsion, 30-50 parts of sodium bicarbonate, 5-10 parts of dispersing agent, 4-9 parts of defoaming agent, 8-12 parts of film-forming assistant, 10-20 parts of talcum powder and 7-11 parts of emulsifying agent.
Preferably, the putty slurry in the step (4) comprises the following components in parts by mass: 130 parts of 100-130 parts of water, 220 parts of white cement, 800 parts of 700-800 parts of fly ash, 10-20 parts of cellulose ether, 12-18 parts of starch ether, 13-16 parts of thixotropic lubricant and 20-30 parts of latex powder.
Preferably, the specification of the sandpaper in the step (5) is #400 or # 600.
Preferably, the exterior wall mortar in the step (6) comprises the following components in parts by mass: 400 parts of cement 350-.
Preferably, the airing time in the step (7) is 12-24 h.
Preferably, the spraying of the waterproof coating in the step (8) is performed by using the waterproof coating in the step (3).
Compared with the prior art, the invention has the beneficial effects that: the spraying construction process of the external wall with high smoothness,
(1) the method is provided with a plurality of leveling steps, the cavities on the surface of the outer wall body are filled by repairing the outer wall matrix and painting putty powder twice, the protruding parts are cleaned simultaneously, the outer wall body keeps good flatness before spraying, the flatness of spraying of the outer wall paint is improved, the adhesive force between the outer wall and the paint is increased, the spraying difficulty is reduced, the construction efficiency is improved, and the mesh fiber cloth is embedded in the putty layer to enhance the overall structural strength of the putty layer, so that the putty layer is prevented from falling off in the paint spraying process, and the spraying strength of the process is improved.
(2) Be provided with bilayer's water repellent, outer waterproof coating helps preventing the erosion of rainwater to outer wall coating, has improved outer wall coating's life, makes outer wall coating keep lasting vividness, and inlayer waterproof coating helps weakening the diffusion of rainwater in the coating is inside, prevents that after outer waterproof coating is damaged, the erosion of rainwater to inside wall body reduces the harm degree of outer wall, provides more time for the outer wall maintenance.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
A high-smoothness external wall spraying construction process comprises the following process flows:
(1) cleaning an outer wall: cleaning the outer wall by using a brush, removing dust and other impurities on the surface of the outer wall, then washing by using clear water for 3 times, and naturally airing for 3 hours;
(2) repairing the outer wall: the overall structure of the outer wall is checked, the protruding and sunken area of the outer wall is found out, the protruding area of the outer wall is eradicated, the sunken area of the outer wall is repaired by using concrete, and the concrete comprises the following components in percentage by mass: 100 parts of water, 200 parts of Portland cement, 60 parts of silica fume, 90 parts of fine sand, 10 parts of a water reducing agent and 8 parts of a coagulation accelerator, wherein the concrete is uniformly stirred by a stirrer for use;
(3) waterproof treatment of the outer wall: and (3) spraying a waterproof coating on the outer wall treated in the step (2), wherein the waterproof coating comprises the following components in parts by mass: 100 parts of acrylate waterproof emulsion, 30 parts of sodium bicarbonate, 5 parts of dispersing agent, 4 parts of defoaming agent, 8 parts of film-forming assistant, 10 parts of talcum powder and 7 parts of emulsifying agent, drying in the air, and spraying again;
(4) leveling the outer wall: and (3) performing putty coating treatment on the outer wall treated in the step (3), and uniformly coating the prepared putty slurry on the surface of the outer wall, wherein the putty slurry comprises the following components in parts by mass: 100 parts of water, 180 parts of white cement, 700 parts of double flying powder, 10 parts of cellulose ether, 12 parts of starch ether, 13 parts of thixotropic lubricant and 20 parts of emulsion powder, wherein the coating thickness is 0.3cm, then the reticular fiber cloth is spread on the surface of the putty layer, the reticular fiber cloth is lightly pressed to be embedded into the putty layer, the airing is carried out for 20 hours, the outer wall is subjected to one-time putty coating treatment, the coating thickness is 0.2cm, and the airing is carried out naturally for 36 hours;
(5) polishing the putty layer: polishing the outer surface of the putty layer by using abrasive paper, wherein the specification of the abrasive paper is #400, repairing the height of the putty layer, and removing the bulge on the putty layer to enable the surface of the outer wall to be more smooth;
(6) spraying the outer wall: and (3) spraying outer wall mortar on the outer wall treated in the step (5) by using a spraying machine, wherein the outer wall mortar comprises the following components in parts by mass: 350 parts of cement, 600 parts of sand, 2 parts of cellulose, 5 parts of rubber powder, 2 parts of wood fiber and 100 parts of pigment, and repeatedly spraying for 2 times;
(7) drying the outer wall mortar: hanging a sun-proof net on the outer wall treated in the step (6), and airing in a natural airing mode for 12 hours, wherein the sun-proof net is used for preventing the wall surface from being exposed to the sun and preventing the outer wall surface coating from cracking;
(8) waterproof treatment of the external wall mortar: spraying the waterproof coating on the outer wall treated in the step (7) again, and airing;
(9) and (3) inspecting the outer wall spraying: and (5) finally checking the outer wall processed in the step (8), checking whether an uneven place exists or not, and repairing the defective place.
Example two
A high-smoothness external wall spraying construction process comprises the following process flows:
(1) cleaning an outer wall: cleaning the outer wall by using a brush, removing dust and other impurities on the surface of the outer wall, then washing by using clear water for 4 times, and naturally airing for 6 hours;
(2) repairing the outer wall: the overall structure of the outer wall is checked, the protruding and sunken area of the outer wall is found out, the protruding area of the outer wall is eradicated, the sunken area of the outer wall is repaired by using concrete, and the concrete comprises the following components in percentage by mass: 300 parts of water, 290 parts of Portland cement, 70 parts of silica fume, 120 parts of fine sand, 15 parts of a water reducing agent and 15 parts of a coagulation accelerator, wherein the concrete is uniformly stirred by a stirrer for use;
(3) waterproof treatment of the outer wall: and (3) spraying a waterproof coating on the outer wall treated in the step (2), wherein the waterproof coating comprises the following components in parts by mass: 150 parts of acrylate waterproof emulsion, 50 parts of sodium bicarbonate, 10 parts of dispersing agent, 9 parts of defoaming agent, 12 parts of film-forming assistant, 20 parts of talcum powder and 11 parts of emulsifying agent, drying in the air, and spraying again;
(4) leveling the outer wall: and (3) performing putty coating treatment on the outer wall treated in the step (3), and uniformly coating the prepared putty slurry on the surface of the outer wall, wherein the putty slurry comprises the following components in parts by mass: 130 parts of water, 220 parts of white cement, 800 parts of double-flying powder, 20 parts of cellulose ether, 18 parts of starch ether, 16 parts of thixotropic lubricant and 30 parts of emulsion powder, wherein the coating thickness is 0.4cm, then the reticular fiber cloth is flatly laid on the surface of the putty layer, the reticular fiber cloth is lightly pressed to be embedded into the putty layer, the airing is carried out for 24 hours, the outer wall is subjected to one-time putty coating treatment, the coating thickness is 0.3cm, and the natural airing is carried out for 48 hours;
(5) polishing the putty layer: polishing the outer surface of the putty layer by using abrasive paper, wherein the specification of the abrasive paper is #600, repairing the height of the putty layer, and removing the bulge on the putty layer to enable the surface of the outer wall to be more smooth;
(6) spraying the outer wall: and (3) spraying outer wall mortar on the outer wall treated in the step (5) by using a spraying machine, wherein the outer wall mortar comprises the following components in parts by mass: 400 parts of cement, 650 parts of sand, 3 parts of cellulose, 7 parts of rubber powder, 5 parts of wood fiber and 200 parts of pigment, and repeatedly spraying for 3 times;
(7) drying the outer wall mortar: hanging a sun-proof net on the outer wall treated in the step (6), and airing in a natural airing mode for 24 hours, wherein the sun-proof net is used for preventing the wall surface from being exposed to the sun and preventing the outer wall surface coating from cracking;
(8) waterproof treatment of the external wall mortar: spraying the waterproof coating on the outer wall treated in the step (7) again, and airing;
(9) and (3) inspecting the outer wall spraying: and (5) finally checking the outer wall processed in the step (8), checking whether an uneven place exists or not, and repairing the defective place.
EXAMPLE III
A high-smoothness external wall spraying construction process comprises the following process flows:
(1) cleaning an outer wall: cleaning the outer wall by using a brush, removing dust and other impurities on the surface of the outer wall, then washing by using clear water for 3 times, and naturally airing for 5 hours;
(2) repairing the outer wall: the overall structure of the outer wall is checked, the protruding and sunken area of the outer wall is found out, the protruding area of the outer wall is eradicated, the sunken area of the outer wall is repaired by using concrete, and the concrete comprises the following components in percentage by mass: 200 parts of water, 240 parts of Portland cement, 65 parts of silica fume, 100 parts of fine sand, 13 parts of a water reducing agent and 10 parts of a coagulation accelerator, wherein the concrete is uniformly stirred by a stirrer for use;
(3) waterproof treatment of the outer wall: and (3) spraying a waterproof coating on the outer wall treated in the step (2), wherein the waterproof coating comprises the following components in parts by mass: 120 parts of acrylate waterproof emulsion, 40 parts of sodium bicarbonate, 8 parts of dispersing agent, 5 parts of defoaming agent, 10 parts of film-forming assistant, 15 parts of talcum powder and 9 parts of emulsifying agent, drying in the air, and spraying again;
(4) leveling the outer wall: and (3) performing putty coating treatment on the outer wall treated in the step (3), and uniformly coating the prepared putty slurry on the surface of the outer wall, wherein the putty slurry comprises the following components in parts by mass: 120 parts of water, 200 parts of white cement, 750 parts of double-flying powder, 15 parts of cellulose ether, 16 parts of starch ether, 14 parts of thixotropic lubricant and 25 parts of emulsion powder, wherein the coating thickness is 0.4cm, then the reticular fiber cloth is spread on the surface of the putty layer, the reticular fiber cloth is lightly pressed to be embedded into the putty layer, the airing is carried out for 22 hours, the outer wall is subjected to one-time putty coating treatment, the coating thickness is 0.3cm, and the airing is naturally carried out for 40 hours;
(5) polishing the putty layer: polishing the outer surface of the putty layer by using abrasive paper, wherein the specification of the abrasive paper is #400, repairing the height of the putty layer, and removing the bulge on the putty layer to enable the surface of the outer wall to be more smooth;
(6) spraying the outer wall: and (3) spraying outer wall mortar on the outer wall treated in the step (5) by using a spraying machine, wherein the outer wall mortar comprises the following components in parts by mass: 360 parts of cement, 620 parts of sand, 3 parts of cellulose, 6 parts of rubber powder, 3 parts of wood fiber and 150 parts of pigment, and repeatedly spraying for 2 times;
(7) drying the outer wall mortar: hanging a sun-proof net on the outer wall treated in the step (6), and airing in a natural airing mode for 20 hours, wherein the sun-proof net is used for preventing the wall surface from being exposed to the sun and preventing the outer wall surface coating from cracking;
(8) waterproof treatment of the external wall mortar: spraying the waterproof coating on the outer wall treated in the step (7) again, and airing;
(9) and (3) inspecting the outer wall spraying: and (5) finally checking the outer wall processed in the step (8), checking whether an uneven place exists or not, and repairing the defective place.
Example four
A high-smoothness external wall spraying construction process comprises the following process flows:
(1) cleaning an outer wall: cleaning the outer wall by using a brush, removing dust and other impurities on the surface of the outer wall, then washing by using clear water for 3 times, and naturally airing for 3 hours;
(2) repairing the outer wall: the overall structure of the outer wall is checked, the protruding and sunken area of the outer wall is found out, the protruding area of the outer wall is eradicated, the sunken area of the outer wall is repaired by using concrete, and the concrete comprises the following components in percentage by mass: 120 parts of water, 230 parts of Portland cement, 61 parts of silica fume, 100 parts of fine sand, 12 parts of a water reducing agent and 9 parts of a coagulation accelerator, wherein the concrete is uniformly stirred by a stirrer for use;
(3) waterproof treatment of the outer wall: and (3) spraying a waterproof coating on the outer wall treated in the step (2), wherein the waterproof coating comprises the following components in parts by mass: 120 parts of acrylate waterproof emulsion, 35 parts of sodium bicarbonate, 5 parts of dispersing agent, 4 parts of defoaming agent, 12 parts of film-forming assistant, 16 parts of talcum powder and 10 parts of emulsifying agent, drying in the air, and spraying again;
(4) leveling the outer wall: and (3) performing putty coating treatment on the outer wall treated in the step (3), and uniformly coating the prepared putty slurry on the surface of the outer wall, wherein the putty slurry comprises the following components in parts by mass: 115 parts of water, 191 parts of white cement, 760 parts of double-flying powder, 16 parts of cellulose ether, 15 parts of starch ether, 14 parts of thixotropic lubricant and 26 parts of emulsion powder, wherein the coating thickness is 0.4cm, then the reticular fiber cloth is flatly laid on the surface of the putty layer, the reticular fiber cloth is lightly pressed to be embedded into the putty layer, the airing is carried out for 20 hours, the outer wall is subjected to one-time putty coating treatment, the coating thickness is 0.3cm, and the airing is carried out for 39 hours naturally;
(5) polishing the putty layer: polishing the outer surface of the putty layer by using abrasive paper, wherein the specification of the abrasive paper is #400, repairing the height of the putty layer, and removing the bulge on the putty layer to enable the surface of the outer wall to be more smooth;
(6) spraying the outer wall: and (3) spraying outer wall mortar on the outer wall treated in the step (5) by using a spraying machine, wherein the outer wall mortar comprises the following components in parts by mass: 380 parts of cement, 640 parts of sand, 2 parts of cellulose, 5 parts of rubber powder, 4 parts of wood fiber and 140 parts of pigment, and repeatedly spraying for 2 times;
(7) drying the outer wall mortar: hanging a sun-proof net on the outer wall treated in the step (6), and airing in a natural airing mode for 18 hours, wherein the sun-proof net is used for preventing the wall surface from being exposed to the sun and preventing the outer wall surface coating from cracking;
(8) waterproof treatment of the external wall mortar: spraying the waterproof coating on the outer wall treated in the step (7) again, and airing;
(9) and (3) inspecting the outer wall spraying: and (5) finally checking the outer wall processed in the step (8), checking whether an uneven place exists or not, and repairing the defective place.
And those not described in detail in this specification are well within the skill of those in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The spraying construction process of the external wall with high smoothness is characterized by comprising the following process flows of:
(1) cleaning an outer wall: cleaning the outer wall by using a brush, removing dust and other impurities on the surface of the outer wall, then washing by using clear water, and naturally drying;
(2) repairing the outer wall: checking the integral structure of the outer wall, finding out the protruding and sunken areas, removing the protruding areas of the outer wall, and repairing the sunken areas of the outer wall by using concrete;
(3) waterproof treatment of the outer wall: spraying the waterproof coating on the outer wall treated in the step (2), drying in the air, and spraying again;
(4) leveling the outer wall: performing putty coating treatment on the outer wall treated in the step (3), uniformly coating the prepared putty slurry on the surface of the outer wall, wherein the thickness of the coating is 0.3-0.4cm, then spreading a reticular fiber cloth on the surface of the putty layer, slightly pressing the reticular fiber cloth to enable the reticular fiber cloth to be embedded into the putty layer, airing for 20-24h, performing putty coating treatment on the outer wall for one time, wherein the thickness of the coating is 0.2-0.3cm, and naturally airing for 36-48 h;
(5) polishing the putty layer: polishing the outer surface of the putty layer by using sand paper, repairing the height of the putty layer, and removing the bulge on the putty layer to enable the surface of the outer wall to be more smooth;
(6) spraying the outer wall: spraying the outer wall mortar on the outer wall treated in the step (5) by using a spraying machine, and repeatedly spraying for 2-3 times;
(7) drying the outer wall mortar: hanging a sun-proof net on the outer wall treated in the step (6), and airing naturally, wherein the sun-proof net is used for preventing the wall surface from being exposed to the sun and preventing the outer wall surface coating from cracking;
(8) waterproof treatment of the external wall mortar: spraying the waterproof coating on the outer wall treated in the step (7) again, and airing;
(9) and (3) inspecting the outer wall spraying: and (5) finally checking the outer wall processed in the step (8), checking whether an uneven place exists or not, and repairing the defective place.
2. The exterior wall spraying construction process with high smoothness of claim 1, characterized in that: and (2) adopting a hard plastic brush as the brush in the step (1), washing the brush for 3-4 times by using clear water, and airing for 3-6 hours.
3. The exterior wall spraying construction process with high smoothness of claim 1, characterized in that: the shoveling in the step (2) is carried out by using a flat-head shovel, and the concrete comprises the following components in parts by mass: 300 parts of water, 200 parts of Portland cement, 290 parts of silica fume, 60-70 parts of fine sand, 10-15 parts of water reducing agent and 8-15 parts of coagulant, and the concrete is uniformly stirred by a stirrer for use.
4. The exterior wall spraying construction process with high smoothness of claim 1, characterized in that: the waterproof coating in the step (3) comprises the following components in parts by mass: 100-150 parts of acrylic ester waterproof emulsion, 30-50 parts of sodium bicarbonate, 5-10 parts of dispersing agent, 4-9 parts of defoaming agent, 8-12 parts of film-forming assistant, 10-20 parts of talcum powder and 7-11 parts of emulsifying agent.
5. The exterior wall spraying construction process with high smoothness of claim 1, characterized in that: the putty slurry in the step (4) comprises the following components in parts by mass: 130 parts of 100-130 parts of water, 220 parts of white cement, 800 parts of 700-800 parts of fly ash, 10-20 parts of cellulose ether, 12-18 parts of starch ether, 13-16 parts of thixotropic lubricant and 20-30 parts of latex powder.
6. The exterior wall spraying construction process with high smoothness of claim 1, characterized in that: the specification of the sand paper in the step (5) adopts #400 or # 600.
7. The exterior wall spraying construction process with high smoothness of claim 1, characterized in that: the external wall mortar in the step (6) comprises the following components in parts by mass: 400 parts of cement 350-.
8. The exterior wall spraying construction process with high smoothness of claim 1, characterized in that: and (4) airing time in the step (7) is 12-24 h.
9. The exterior wall spraying construction process with high smoothness of claim 1, characterized in that: and (3) spraying the waterproof coating in the step (8) by adopting the waterproof coating in the step (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210125744.0A CN114370147A (en) | 2022-02-10 | 2022-02-10 | External wall spraying construction process with high smoothness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210125744.0A CN114370147A (en) | 2022-02-10 | 2022-02-10 | External wall spraying construction process with high smoothness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114370147A true CN114370147A (en) | 2022-04-19 |
Family
ID=81145093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210125744.0A Pending CN114370147A (en) | 2022-02-10 | 2022-02-10 | External wall spraying construction process with high smoothness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114370147A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934644A (en) * | 2022-06-10 | 2022-08-23 | 徐州腾美建筑装饰工程有限公司 | 5M construction process for building exterior wall decorative coating |
| CN115557742A (en) * | 2022-10-27 | 2023-01-03 | 青岛青建新型材料集团有限公司 | Anti-falling concrete wall body layer and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025110A (en) * | 2018-08-23 | 2018-12-18 | 浙江绿宇装饰有限公司 | A kind of exterior coating crack resistence painting technique |
| CN109138377A (en) * | 2018-07-27 | 2019-01-04 | 庐江荣睿建设工程有限公司 | A kind of spray coating constructing technique of external wall |
| CN110644626A (en) * | 2019-08-22 | 2020-01-03 | 金鹏建筑产业有限公司 | Green and environment-friendly building construction method |
| CN111519849A (en) * | 2020-05-08 | 2020-08-11 | 上海全筑住宅装饰工程有限公司 | Anti-cracking construction method for residential outer wall |
| CN112576010A (en) * | 2020-12-07 | 2021-03-30 | 中冶天工集团有限公司 | Construction method of outer wall surface of bark texture coating |
-
2022
- 2022-02-10 CN CN202210125744.0A patent/CN114370147A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138377A (en) * | 2018-07-27 | 2019-01-04 | 庐江荣睿建设工程有限公司 | A kind of spray coating constructing technique of external wall |
| CN109025110A (en) * | 2018-08-23 | 2018-12-18 | 浙江绿宇装饰有限公司 | A kind of exterior coating crack resistence painting technique |
| CN110644626A (en) * | 2019-08-22 | 2020-01-03 | 金鹏建筑产业有限公司 | Green and environment-friendly building construction method |
| CN111519849A (en) * | 2020-05-08 | 2020-08-11 | 上海全筑住宅装饰工程有限公司 | Anti-cracking construction method for residential outer wall |
| CN112576010A (en) * | 2020-12-07 | 2021-03-30 | 中冶天工集团有限公司 | Construction method of outer wall surface of bark texture coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934644A (en) * | 2022-06-10 | 2022-08-23 | 徐州腾美建筑装饰工程有限公司 | 5M construction process for building exterior wall decorative coating |
| CN115557742A (en) * | 2022-10-27 | 2023-01-03 | 青岛青建新型材料集团有限公司 | Anti-falling concrete wall body layer and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114370147A (en) | External wall spraying construction process with high smoothness | |
| JP5049090B2 (en) | Thermal insulation laminate | |
| CN107044196A (en) | A kind of concrete is plastered face emulsion paint brushing technique | |
| CN101168988A (en) | Construction method for water-based texture wallpaper paint and special-purpose tool for the same | |
| CN106393395A (en) | Manufacturing method for concrete decorative hanging plate | |
| CN111677280A (en) | Construction method of exterior wall coating | |
| CN106869428A (en) | A kind of heat insulating reflecting colored mortar construction technology | |
| CN1903954A (en) | Double layer rock wall imitation external wall paint and its coating technology | |
| CN106284890A (en) | A kind of construction method of art colored stone paint | |
| CN112960959A (en) | Clear water-like concrete protective agent and construction method thereof | |
| CN111305592B (en) | Composition layer structure and application thereof in renovation of old ceramic tile wall surface | |
| CN109403650B (en) | Antique finishing method for brushing and pressing outer wall of historical building to finish wall surface | |
| JP2006334525A (en) | Method for forming pattern | |
| CN209958651U (en) | Ceramic tile outer wall waterproof construction | |
| CN207140656U (en) | It is a kind of to protect color, the landscape metope of emulation | |
| CN205777208U (en) | Flexible texture coating body of wall | |
| CN113417417A (en) | Old-imitation red brick veneer structure and construction process thereof | |
| CN108005321A (en) | A kind of method that exterior wall bulk finish coat adds stone-like coating layer | |
| CN109138480B (en) | Antique-finishing method for wall surface painted by water-brushed stone on outer wall of historical building | |
| CN1046888C (en) | Method for producing artistic cement products using cement mould | |
| CN209837754U (en) | Antique structure of wall surface painted by water brushing stone on outer wall of historical building | |
| CN112576010A (en) | Construction method of outer wall surface of bark texture coating | |
| CN106497405A (en) | A kind of water burnt-in sand environmental protection coating material with the wet on wet construction of high build paint and preparation method thereof | |
| CN209837528U (en) | Old-making structure for brushing and pressing hair on wall surface of external wall of historical building | |
| CN203097165U (en) | Internal-external wall tile-imitating artistic texture coating structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |