CN112142423A - Formula and construction process of putty-free plastering mortar for external wall heat insulation - Google Patents
Formula and construction process of putty-free plastering mortar for external wall heat insulation Download PDFInfo
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- CN112142423A CN112142423A CN202011027670.4A CN202011027670A CN112142423A CN 112142423 A CN112142423 A CN 112142423A CN 202011027670 A CN202011027670 A CN 202011027670A CN 112142423 A CN112142423 A CN 112142423A
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- 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
- C04B28/10—Lime cements or magnesium oxide cements
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- 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
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- 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
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- 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
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
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- 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
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/82—Coloured materials
Abstract
The invention relates to the field of building materials, in particular to a formula of putty-free plastering mortar for external wall heat insulation and a construction process thereof. The formula of putty-free plastering mortar for external wall heat insulation comprises the following components in parts by weight: 30-50 parts of white cement, 5-11 parts of ash calcium, 50-65 parts of white marble machine-made sand, 0.2-0.5 part of hydroxypropyl methyl cellulose, 0.1-0.3 part of wood fiber, 0.1-0.2 part of polypropylene fiber and latex powder: 0.5-1.5 parts; surface layer plastering mortar: 40-60 parts of white cement, 5-10 parts of ash calcium, 35-45 parts of white marble machine-made sand, 0.2-0.5 part of hydroxypropyl methyl cellulose, 0.1-0.3 part of wood fiber, 0.1-0.2 part of polypropylene fiber, 0.5-1.5 parts of latex powder and 0.05-0.1 part of cellulose ether. The putty-free plastering mortar for external wall insulation prepared by the formula saves materials, working procedures and time of a putty layer, and can better save cost.
Description
Technical Field
The invention relates to the field of building materials, in particular to a formula of putty-free plastering mortar for external wall heat insulation and a construction process thereof.
Background
With the development of society, more and more high buildings are pulled out of the ground, so that in order to adapt to the sound insulation, heat preservation and decoration effects of modern buildings, the performances of bonding strength, crack resistance and the like need to be considered during the construction of external walls, and the beautiful decoration effect also needs to be considered. On the outer side of the brick body, firstly, the thermal insulation material is hung by using the bonding mortar, then the anti-crack glass fiber net is fixed by using the plastering mortar, the wall body can be prevented from cracking by the anti-crack glass fiber net, and after the anti-crack glass fiber net is fixed by using the plastering mortar, the engineering of an external decorative layer can be carried out. In order to ensure the thickness and the flatness of the decorative layer, an outer wall putty layer is often required to be coated on the outer side of the finishing mortar, generally, the outer wall putty layer is required to be coated for 2 times, the total thickness is about 3 mm, and paint is further coated outside the outer wall putty layer. Thick putty layer is only in order when brushing the lacquer layer of decoration, and the bottom surface is smooth, not only wasted a large amount of materials, and under the condition of high altitude construction, carry out the coating of putty layer 2 nd time, and after outer putty coating, still need polish again, need consume a large amount of manual works, and the coating of putty 2 nd time will be finished at putty layer coating 1 st time, need the sunning can be gone on after a period, increased the time cost. And after the multilayer coating, influence the integral type of outer wall structure, its wholeness is relatively poor, appears falling the skin easily and drops, the problem such as fracture, brings the potential safety hazard for construction and later stage use.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a formula and a construction process of exterior wall plastering putty-free mortar.
In order to solve the problems of the prior art, the invention discloses a formula of putty-free plastering mortar for external wall heat insulation, which comprises bottom layer plastering mortar and surface layer plastering mortar, wherein the formula of the bottom layer plastering mortar comprises the following components in parts by weight: 30-50 parts of white cement, 5-11 parts of ash calcium, 50-65 parts of white marble machine-made sand, 0.2-0.5 part of hydroxypropyl methyl cellulose, 0.1-0.3 part of wood fiber, 0.1-0.2 part of polypropylene fiber and latex powder: 0.5-1.5 parts; the formula of the surface layer plastering mortar comprises the following components in percentage by weight: 40-60 parts of white cement, 5-10 parts of ash calcium, 35-45 parts of white marble machine-made sand, 0.2-0.5 part of hydroxypropyl methyl cellulose, 0.1-0.3 part of wood fiber, 0.1-0.2 part of polypropylene fiber, 0.5-1.5 parts of latex powder and 0.05-0.1 part of cellulose ether.
Preferably, the formulation of the bottom layer plastering mortar is (by weight): 30-40 parts of white cement, 8-10 parts of ash calcium, 55-60 parts of white marble machine-made sand, 0.3-0.5 part of hydroxypropyl methyl cellulose, 0.2-0.3 part of wood fiber, 0.1-0.15 part of polypropylene fiber and latex powder: 1-1.2 parts; the formula of the surface layer plastering mortar comprises the following components in percentage by weight: 40-50 parts of white cement, 8-10 parts of ash calcium, 40-45 parts of white marble machine-made sand, 0.3-0.5 part of hydroxypropyl methyl cellulose, 0.1-0.3 part of wood fiber, 0.1-0.15 part of polypropylene fiber, 1-1.5 parts of latex powder and 0.07-0.1 part of cellulose ether.
Preferably, the formulation of the bottom layer plastering mortar is (by weight): 30 parts of white cement, 10 parts of ash calcium, 60 parts of white marble machine-made sand, 0.2 part of hydroxypropyl methyl cellulose, 0.2 part of wood fiber, 0.1 part of polypropylene fiber and latex powder: 1 part; the formula of the surface layer plastering mortar comprises the following components in percentage by weight: 45 parts of white cement, 10 parts of ash calcium, 45 parts of white marble machine-made sand, 0.4 part of hydroxypropyl methyl cellulose, 0.2 part of wood fiber, 0.12 part of polypropylene fiber, 1 part of latex powder and 0.08 part of cellulose ether.
Preferably, the white cement is white portland cement # 425.
Preferably, the particle size of the gray calcium is more than 325 meshes.
Preferably, the white marble machine-made sand has a particle size of 70 to 100 mesh.
Preferably, 0.1 to 0.5 part of pigment is added to the surface layer plastering mortar.
A construction process of putty-free plastering mortar for external wall heat insulation comprises the following steps:
the first step is as follows: coating adhesive mortar outside the outer wall brick body;
the second step is that: bonding a heat insulation material outside the bonding mortar, and fixing the heat insulation material by using an anchoring part;
the third step: mixing the bottom layer plastering mortar and water in proportion, and coating the heat preservation material with a coating thickness of 3-5 mm;
the fourth step: laying an anti-crack glass fiber net outside the bottom layer plastering mortar;
the fifth step: mixing surface layer plastering mortar and water in proportion, coating the surface layer plastering mortar outside the crack-resistant glass fiber web to a coating thickness of 3-5mm, and performing calendaring after coating;
and a sixth step: and after the surface layer plastering mortar is dried, coating or spraying latex paint, real stone paint or sand-in-water.
The invention is applied to the construction of building exterior walls, and the coating of a putty layer can be avoided after the product prepared by the formula is used. The product prepared by the formula can reach or even exceed a white and fine outer wall structure with a putty layer in the traditional building construction after being coated by the construction method, and the principle is as follows: 1. in the formula, white cement #425 is used as the strength material, and the strength material is characterized by higher whiteness and bright color; the adhesive filling function is gray calcium, and the main component of the gray calcium powder is Ca (OH)2CaO and a small amount of CaCO3The mixture of (1) is a fine processing product of lime, and the appearance of the product is white and fine; the supporting aggregate is white marble machine-made sand which is white in color and uniform in particle. Therefore, the main materials are materials with higher whiteness, and the color of the finished product can be white and fine after the finished product is prepared, so that the same appearance effect as that of the traditional putty can be achieved, and the beautiful effect cannot be influenced when the decorative paint layer is coated outside the finished product. If the materials used in the formula are replaced, for example, white cement is replaced by ordinary portland cement, on one hand, the appearance of the formula is gray, and when a decorative paint layer is coated, a gray ground color is obviously penetrated when some lighter paint colors are sprayed, so that the decorative effect of the outer wall is influenced. 2. White cement is a white hard gelled internal material which is prepared by bleaching silicate clinker with extremely low iron content and adding a proper amount of gypsum to be ground, is mostly used for decoration, has a manufacturing process much better than that of common silicate cement, and is more exquisite and uniform than that of common silicate cement in the aspects of product granularity, fineness and the like. The lime calcium is prepared by calcining natural high-quality limestone at high temperature to obtain quicklime, selecting, partially digesting, and pulverizing with a high-speed winnowing hammer mill, and has fineness of over 600 meshes, high viscosity,can increase the viscosity of the product and can improve the calcification speed of the product to make the product harder. In the formula, if the gray calcium is replaced by the coarse whiting, the performance requirement of fine structure of the putty-free mortar can not be obviously met, and the putty-free effect in construction can not be achieved.
During construction, coating slurry mixed by adding water into bottom layer plastering mortar in proportion on the outer part of the heat insulation material, wherein the coating thickness is 3-5mm, paving an anti-crack glass fiber net, coating slurry mixed by adding water into surface layer plastering mortar in proportion on the outer part of the anti-crack glass fiber net, wherein the coating thickness is 3-5mm, performing press polishing after coating is finished, and coating a decorative paint layer after the surface layer plastering mortar is dried. Therefore, the construction effect after the putty is coated in the prior art can be completely achieved or even surpassed.
The invention has the beneficial effects that:
1. saving construction material and time cost. After the product prepared by the formula is used, the materials used for painting 2 times of putty, the consumed labor and the waiting time are saved during the construction of the outer wall, so the construction cost is greatly saved.
2. The product performance is excellent. The formula comprises bottom layer plastering mortar and surface layer plastering mortar, wherein the proportion of white cement in the formula of the bottom layer plastering mortar is low, and the proportion of white marble machine-made sand is higher, and the requirement on the support strength is higher because the bottom layer plastering mortar is connected with a heat insulation material; in the formula of the surface layer plastering mortar, the proportion of white cement is higher, while the proportion of white marble machine-made sand is lower, because the surface layer plastering mortar is in contact with the decorative paint layer, the requirements on the smoothness and the smoothness of the surface are higher. Therefore, the bottom layer plastering mortar achieves the purpose of bonding, and the surface layer plastering mortar achieves the effect of smooth and flat decorative bottom layer of the putty layer. And additives such as hydroxypropyl methyl cellulose, wood fiber, polypropylene fiber, emulsion powder, cellulose ether and the like are added to achieve the effects of water retention, delayed coagulation, crack resistance, sag resistance and the like.
3. The whole surface mortar is of an integrated structure, so that the problem that the outer wall falls off is avoided. In traditional construction process, the structure outside the exterior wall brick body is: adhesive mortar, heat insulating material, finishing mortar, crack-resistant glass fiber net, finishing mortar, putty layer and decorative paint layer; the external part of the insulation material comprises a layer of rendering mortar, a 2-pass layer of putty and a layer of decorative paint, it is clear that for the construction, the structural integrity of each more layer of material is poorer and the possibility of problems is higher. In the invention, as the main body composition materials of the bottom layer plastering mortar and the surface layer plastering mortar are consistent, and the mortar is of an integral structure by one-step molding during coating, the integral structure has better performance, the conditions of delamination, peeling, cracking and the like can not occur, and the mortar is safer.
4. 0.1-0.5 part of pigment is added into the surface layer plastering mortar, so that the surface layer plastering mortar can be directly used as a decorative paint layer, and the cost is saved. After the pigment is added into the surface layer plastering mortar, the surface layer plastering mortar can present different colors, and when the surface layer plastering mortar is coated, the crack-resistant glass fiber net can be fixed on one hand, and the decorative effect can also be directly played on the other hand. The material, the working procedure and the construction time for coating the putty layer twice are saved, the material, the working procedure and the construction time for coating the decorative paint layer can be saved, and the cost is obviously saved. When the operation is carried out in this way, after finishing coating the surface layer plastering mortar, a layer of transparent finishing paint is required to be coated on the surface after finishing calendering. Due to the existence of the lime calcium in the surface layer plastering mortar, the mortar can be calcified more quickly, the structure is better, and the finishing paint can protect the surface layer plastering mortar. In the prior art, when the latex paint is coated, the latex paint is generally coated after the primer is coated, and some latex paint outer layers are coated with the finishing paint, obviously, the construction method is simpler. And after the latex paint is coated, the problem of color fading can occur after long-term wind, wind and rain, but the invention has the color matched with the surface layer plastering mortar, so that the problem of paint layer falling and color fading can obviously not occur.
Detailed Description
The present invention will be further described below. The following examples are merely intended to more clearly illustrate the structure of the present invention.
The first embodiment is as follows:
the formula of the exterior wall heat-insulating putty-free plastering mortar comprises bottom layer plastering mortar and surface layer plastering mortar, wherein the formula of the bottom layer plastering mortar comprises the following components in parts by weight: 30 parts of white cement, 10 parts of ash calcium, 60 parts of white marble machine-made sand, 0.3 part of hydroxypropyl methyl cellulose, 0.2 part of wood fiber, 0.1 part of polypropylene fiber and latex powder: 1 part; the formula of the surface layer plastering mortar comprises the following components in percentage by weight: 45 parts of white cement, 10 parts of ash calcium, 44 parts of white marble machine-made sand, 0.4 part of hydroxypropyl methyl cellulose, 0.2 part of wood fiber, 0.1 part of polypropylene fiber, 1 part of latex powder and 0.8 part of cellulose ether.
White cement is white Portland cement #425, the granularity of the lime calcium is more than 325 meshes, the granularity of the white marble machine-made sand is 70-100 meshes, and 0.1-0.5 part of pigment is added into the surface layer plastering mortar.
The materials of the formula are put into a stirrer to be uniformly stirred and then are respectively packaged and transported. When in construction, the method comprises the following steps:
the first step is as follows: coating adhesive mortar outside the outer wall brick body;
the second step is that: bonding a heat insulation material outside the bonding mortar, and fixing the heat insulation material by using an anchoring part;
the third step: mixing the bottom layer plastering mortar and water in proportion, and coating the heat preservation material with a coating thickness of 3-5 mm;
the fourth step: laying an anti-crack glass fiber net outside the bottom layer plastering mortar;
the fifth step: mixing surface layer plastering mortar and water in proportion, coating the surface layer plastering mortar outside the crack-resistant glass fiber web to a coating thickness of 3-5mm, and performing calendaring after coating;
and a sixth step: and after the surface layer plastering mortar is dried, coating or spraying latex paint, real stone paint or sand-in-water.
After the construction of the construction site, the construction effect is good, and compared with the prior art, the construction site saves about 14 yuan of material cost and labor cost per square meter.
Example two:
the formula of the exterior wall heat-insulating putty-free plastering mortar comprises bottom layer plastering mortar and surface layer plastering mortar, wherein the formula of the bottom layer plastering mortar comprises the following components in parts by weight: 40 parts of white cement, 10 parts of ash calcium, 50 parts of white marble machine-made sand, 0.3 part of hydroxypropyl methyl cellulose, 0.2 part of wood fiber, 0.1 part of polypropylene fiber and latex powder: 1 part; the formula of the surface layer plastering mortar comprises the following components in percentage by weight: 55 parts of white cement, 10 parts of ash calcium, 35 parts of white marble machine-made sand, 0.4 part of hydroxypropyl methyl cellulose, 0.2 part of wood fiber, 0.1 part of polypropylene fiber, 1 part of latex powder and 0.8 part of cellulose ether.
Compared with the first embodiment, the construction coating effect is finer and smoother, and the material cost and the labor cost are saved by about 12 yuan per square meter.
Example three: the formula of the exterior wall heat-insulating putty-free plastering mortar comprises bottom layer plastering mortar and surface layer plastering mortar, wherein the formula of the bottom layer plastering mortar comprises the following components in parts by weight: 25 parts of white cement, 10 parts of ash calcium, 65 parts of white marble machine-made sand, 0.3 part of hydroxypropyl methyl cellulose, 0.2 part of wood fiber, 0.1 part of polypropylene fiber and latex powder: 1 part; the formula of the surface layer plastering mortar comprises the following components in percentage by weight: 30 parts of white cement, 10 parts of ash calcium, 60 parts of white marble machine-made sand, 0.4 part of hydroxypropyl methyl cellulose, 0.2 part of wood fiber, 0.1 part of polypropylene fiber, 1 part of latex powder and 0.8 part of cellulose ether.
Compared with the first embodiment, the formula components reduce the proportion of white cement, improve the proportion of white marble machine-made sand, and have poor coating effect, obvious surface particles, rough interface and poor decorative effect after paint spraying.
The invention is applied to the construction of building exterior walls, and the coating of a putty layer can be avoided after the product prepared by the formula is used. The product prepared by the formula can reach or even exceed a white and fine outer wall structure with a putty layer in the traditional building construction after being coated by the construction method, and the principle is as follows: 1. in the formulation, strengthWhite cement #425 is used as the material, and is characterized by higher whiteness and bright color; the adhesive filling function is gray calcium, and the main component of the gray calcium powder is Ca (OH)2CaO and a small amount of CaCO3The mixture of (1) is a fine processing product of lime, and the appearance of the product is white and fine; the supporting aggregate is white marble machine-made sand which is white in color and uniform in particle. Therefore, the main materials are materials with higher whiteness, and the color of the finished product can be white and fine after the finished product is prepared, so that the same appearance effect as that of the traditional putty can be achieved, and the beautiful effect cannot be influenced when the decorative paint layer is coated outside the finished product. If the materials used in the formula are replaced, for example, white cement is replaced by ordinary portland cement, on one hand, the appearance of the formula is gray, and when a decorative paint layer is coated, a gray ground color is obviously penetrated when some lighter paint colors are sprayed, so that the decorative effect of the outer wall is influenced. 2. White cement is a white hard gelled internal material which is prepared by bleaching silicate clinker with extremely low iron content and adding a proper amount of gypsum to be ground, is mostly used for decoration, has a manufacturing process much better than that of common silicate cement, and is more exquisite and uniform than that of common silicate cement in the aspects of product granularity, fineness and the like. The lime calcium is prepared by calcining natural high-quality limestone at high temperature to obtain quicklime, selecting, partially digesting, and pulverizing with a high-speed winnowing hammer mill, and has a fineness of over 600 meshes, high viscosity, high calcification rate, and high hardness. In the formula, if the gray calcium is replaced by the coarse whiting, the performance requirement of fine structure of the putty-free mortar can not be obviously met, and the putty-free effect in construction can not be achieved.
During construction, coating slurry mixed by adding water into bottom layer plastering mortar in proportion on the outer part of the heat insulation material, wherein the coating thickness is 3-5mm, paving an anti-crack glass fiber net, coating slurry mixed by adding water into surface layer plastering mortar in proportion on the outer part of the anti-crack glass fiber net, wherein the coating thickness is 3-5mm, performing press polishing after coating is finished, and coating a decorative paint layer after the surface layer plastering mortar is dried. Therefore, the construction effect after the putty is coated in the prior art can be completely achieved or even surpassed.
The invention has the beneficial effects that:
1. saving construction material and time cost. After the product prepared by the formula is used, the materials used for painting 2 times of putty, the consumed labor and the waiting time are saved during the construction of the outer wall, so the construction cost is greatly saved.
2. The product performance is excellent. The formula comprises bottom layer plastering mortar and surface layer plastering mortar, wherein the proportion of white cement in the formula of the bottom layer plastering mortar is low, and the proportion of white marble machine-made sand is higher, and the requirement on the support strength is higher because the bottom layer plastering mortar is connected with a heat insulation material; in the formula of the surface layer plastering mortar, the proportion of white cement is higher, while the proportion of white marble machine-made sand is lower, because the surface layer plastering mortar is in contact with the decorative paint layer, the requirements on the smoothness and the smoothness of the surface are higher. Therefore, the bottom layer plastering mortar achieves the purpose of bonding, and the surface layer plastering mortar achieves the effect of smooth and flat decorative bottom layer of the putty layer. And additives such as hydroxypropyl methyl cellulose, wood fiber, polypropylene fiber, emulsion powder, cellulose ether and the like are added to achieve the effects of water retention, delayed coagulation, sag resistance and the like.
3. The whole surface mortar is of an integrated structure, so that the problem that the outer wall falls off is avoided. In traditional construction process, the structure outside the exterior wall brick body is: adhesive mortar, heat insulating material, finishing mortar, crack-resistant glass fiber net, finishing mortar, putty layer and decorative paint layer; the external part of the insulation material comprises a layer of rendering mortar, a 2-pass layer of putty and a layer of decorative paint, it is clear that for the construction, the structural integrity of each more layer of material is poorer and the possibility of problems is higher. In the invention, the main body composition materials of the bottom layer plastering mortar and the surface layer plastering mortar are consistent, and when coating, one layer of coating is not needed after one layer is dried, and the coating is of an integral structure after construction is finished, so that the integral structure has better performance, the conditions of layering, falling, peeling and the like are avoided, and the coating is safer.
4. 0.1-0.5 part of pigment is added into the surface layer plastering mortar, so that the surface layer plastering mortar can be directly used as a decorative paint layer, and the cost is saved. After the pigment is added into the surface layer plastering mortar, the surface layer plastering mortar can present different colors, and when the surface layer plastering mortar is coated, the crack-resistant glass fiber net can be fixed on one hand, and the decorative effect can also be directly played on the other hand. The material, the working procedure and the construction time for coating the putty layer twice are saved, the material, the working procedure and the construction time for coating the decorative paint layer can be saved, and the cost is obviously saved. When the operation is carried out in this way, after finishing coating the surface layer plastering mortar, a layer of transparent finishing paint is required to be coated on the surface after finishing calendering. Due to the existence of the lime calcium in the surface layer plastering mortar, the mortar can be calcified more quickly, the structure is better, and the finishing paint can protect the surface layer plastering mortar. In the prior art, when the latex paint is coated, the latex paint is generally coated after the primer is coated, and some latex paint outer layers are coated with the finishing paint, obviously, the construction method is simpler. And after the latex paint is coated, the problem of color fading can occur after long-term wind, wind and rain, but the invention has the color matched with the surface layer plastering mortar, so that the problem of paint layer falling and color fading can obviously not occur.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The formula of the putty-free plastering mortar for the external wall heat insulation is characterized by comprising the following components in parts by weight: comprises bottom layer plastering mortar and surface layer plastering mortar,
the formula of the bottom layer plastering mortar comprises the following components in percentage by weight: 30-50 parts of white cement, 5-11 parts of ash calcium, 50-65 parts of white marble machine-made sand, 0.2-0.5 part of hydroxypropyl methyl cellulose, 0.1-0.3 part of wood fiber, 0.1-0.2 part of polypropylene fiber and latex powder: 0.5-1.5 parts;
the formula of the surface layer plastering mortar comprises the following components in percentage by weight: 40-60 parts of white cement, 5-10 parts of ash calcium, 35-45 parts of white marble machine-made sand, 0.2-0.5 part of hydroxypropyl methyl cellulose, 0.1-0.3 part of wood fiber, 0.1-0.2 part of polypropylene fiber, 0.5-1.5 parts of latex powder and 0.05-0.1 part of cellulose ether.
2. The formula of the exterior wall thermal insulation putty-free plastering mortar of claim 1, which is characterized in that:
the formula of the bottom layer plastering mortar comprises the following components in percentage by weight: 30-40 parts of white cement, 8-10 parts of ash calcium, 55-60 parts of white marble machine-made sand, 0.3-0.5 part of hydroxypropyl methyl cellulose, 0.2-0.3 part of wood fiber, 0.1-0.15 part of polypropylene fiber and latex powder: 1-1.2 parts;
the formula of the surface layer plastering mortar comprises the following components in percentage by weight: 40-50 parts of white cement, 8-10 parts of ash calcium, 40-45 parts of white marble machine-made sand, 0.3-0.5 part of hydroxypropyl methyl cellulose, 0.1-0.3 part of wood fiber, 0.1-0.15 part of polypropylene fiber, 1-1.5 parts of latex powder and 0.07-0.1 part of cellulose ether.
3. The formula of the exterior wall thermal insulation putty-free plastering mortar of claim 2, which is characterized in that: the formula of the bottom layer plastering mortar comprises the following components in percentage by weight: 30 parts of white cement, 10 parts of ash calcium, 60 parts of white marble machine-made sand, 0.2 part of hydroxypropyl methyl cellulose, 0.2 part of wood fiber, 0.1 part of polypropylene fiber and latex powder: 1 part;
the formula of the surface layer plastering mortar comprises the following components in percentage by weight: 45 parts of white cement, 10 parts of ash calcium, 45 parts of white marble machine-made sand, 0.4 part of hydroxypropyl methyl cellulose, 0.2 part of wood fiber, 0.12 part of polypropylene fiber, 1 part of latex powder and 0.08 part of cellulose ether.
4. The formulation of the exterior wall thermal insulation putty-free plastering mortar of claim 1 or 3, which is characterized in that: the white cement was white portland cement # 425.
5. The formula of the exterior wall thermal insulation putty-free plastering mortar of claim 4, which is characterized in that: the particle size of the gray calcium is more than 325 meshes.
6. The formula of the exterior wall thermal insulation putty-free plastering mortar of claim 5, which is characterized in that: the granularity of the white marble machine-made sand is 70-100 meshes.
7. The formula of the exterior wall thermal insulation putty-free plastering mortar of claim 6, which is characterized in that: 0.1-0.5 part of pigment is added into the surface layer plastering mortar.
8. A construction process of putty-free plastering mortar for external wall heat insulation is characterized by comprising the following steps: the method comprises the following steps:
the first step is as follows: coating adhesive mortar outside the outer wall brick body;
the second step is that: bonding a heat insulation material outside the bonding mortar, and fixing the heat insulation material by using an anchoring part;
the third step: mixing the bottom layer plastering mortar and water in proportion, and coating the heat preservation material with a coating thickness of 3-5 mm;
the fourth step: laying an anti-crack glass fiber net outside the bottom layer plastering mortar;
the fifth step: mixing surface layer plastering mortar and water in proportion, coating the surface layer plastering mortar outside the crack-resistant glass fiber web to a coating thickness of 3-5mm, and performing calendaring after coating;
and a sixth step: and after the surface layer plastering mortar is dried, coating or spraying latex paint, real stone paint or sand-in-water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011027670.4A CN112142423A (en) | 2020-09-25 | 2020-09-25 | Formula and construction process of putty-free plastering mortar for external wall heat insulation |
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| CN202011027670.4A CN112142423A (en) | 2020-09-25 | 2020-09-25 | Formula and construction process of putty-free plastering mortar for external wall heat insulation |
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| CN202011027670.4A Pending CN112142423A (en) | 2020-09-25 | 2020-09-25 | Formula and construction process of putty-free plastering mortar for external wall heat insulation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113929415A (en) * | 2021-11-06 | 2022-01-14 | 南通鸿东建材有限公司 | Novel thermal insulation mortar manufacturing process |
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| CN107023132A (en) * | 2017-04-05 | 2017-08-08 | 霸州市瑞硕盈装饰装修工程有限公司 | Extruded sheet exterior-wall heat insulation construction technology |
| CN108383461A (en) * | 2018-05-15 | 2018-08-10 | 周喜福 | A kind of thin matter plastering mortar material and preparation method thereof |
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| WO2006100531A1 (en) * | 2005-03-23 | 2006-09-28 | Nikolaos Houlis | Lightweight mortar for floors and walls |
| CN101913803A (en) * | 2010-07-21 | 2010-12-15 | 胡康宁 | Mortar special for gas concrete building block and application thereof in wall self heat preservation system |
| CN103771793A (en) * | 2013-12-13 | 2014-05-07 | 天津市科垣新型建材有限公司 | Embossed texture decorative mortar as well as preparation and construction methods thereof |
| CN106699053A (en) * | 2016-12-09 | 2017-05-24 | 新昌县永佳耐火材料厂 | Cracking-resistant plastering mortar |
| CN107023132A (en) * | 2017-04-05 | 2017-08-08 | 霸州市瑞硕盈装饰装修工程有限公司 | Extruded sheet exterior-wall heat insulation construction technology |
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| CN113929415A (en) * | 2021-11-06 | 2022-01-14 | 南通鸿东建材有限公司 | Novel thermal insulation mortar manufacturing process |
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Application publication date: 20201229 |