CN112392162A - Method for insulating external wall - Google Patents
Method for insulating external wall Download PDFInfo
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- CN112392162A CN112392162A CN202011444566.5A CN202011444566A CN112392162A CN 112392162 A CN112392162 A CN 112392162A CN 202011444566 A CN202011444566 A CN 202011444566A CN 112392162 A CN112392162 A CN 112392162A
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- heat
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- paving
- base layer
- insulating plates
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000009413 insulation Methods 0.000 claims abstract description 59
- 239000002585 base Substances 0.000 claims abstract description 43
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 16
- 239000004744 fabric Substances 0.000 claims abstract description 15
- 239000003513 alkali Substances 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- 238000004321 preservation Methods 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 7
- 238000010422 painting Methods 0.000 claims abstract description 6
- 238000010009 beating Methods 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 239000003973 paint Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 11
- 238000004873 anchoring Methods 0.000 claims description 8
- 230000001680 brushing effect Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 8
- 235000019362 perlite Nutrition 0.000 claims description 8
- 239000010451 perlite Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 4
- 238000005336 cracking Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims 1
- 239000003292 glue Substances 0.000 description 3
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- 230000008439 repair process Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/665—Sheets or foils impervious to water and water vapor
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/20—Tools or apparatus for applying mortar
Abstract
The application discloses an external wall heat insulation method, which comprises the following steps: cleaning the wall base layer, painting the wall base layer, detecting the painted base layer, performing drawing detection on the painted base layer before paving and pasting the heat insulation board, and performing next procedure construction after the heat insulation board is qualified; before the heat preservation plate is paved, firstly, hanging wires are carried out, namely horizontal lines are popped out along the periphery of a wall surface on the paving starting surface of an operation layer, and an aluminum bracket is arranged at the bottom of the paving starting surface; paving and pasting the heat-insulating plates, namely paving and pasting the heat-insulating plates on the painting layer by using a point bonding method, beating the heat-insulating plates by using a tool to enable the heat-insulating plates to be tightly pressed and pasted on a wall surface, repairing gaps between adjacent heat-insulating plates, and detecting the flatness of the heat-insulating plates by using a guiding rule of more than 2 meters; and (3) subsequent protection treatment, namely adhering an alkali-resistant mesh cloth to one side of the heat insulation plate, paving anti-crack mortar at one end of the alkali-resistant mesh cloth, coating flexible putty on the anti-crack mortar after the anti-crack mortar is dried, and coating a paint veneer at one end of the flexible putty.
Description
Technical Field
The application relates to an external wall heat insulation, in particular to an external wall heat insulation method.
Background
The external wall insulation is compounded by polymer mortar, glass fiber gridding cloth, flame-retardant molded polystyrene foam board (EPS) or extruded sheet (XPS) and other materials, the on-site bonding construction is carried out, the novel insulation and decoration integrated board is produced by a flow line, integrates the functions of insulation, water resistance, facing and the like, meets the energy-saving requirement of the current house building, improves the insulation level of the external wall of the industrial and civil buildings, and is also a preferred material for energy-saving reconstruction of the existing building.
The traditional external wall heat insulation method has certain defects, so that heat insulation boards of different sizes are inconvenient to install according to different climatic environments, and material waste is easily caused. Therefore, a method for insulating the external wall is provided for solving the problems.
Content of application
A method for insulating an external wall comprises the following steps:
(1) cleaning a wall base layer, mixing plastering slurry, plastering the wall base layer, wherein the quality of plastering has a decisive effect on paving the heat insulation board, the requirement on the flatness is that every two meters is not more than 4mm, then detecting the plastered base layer, drawing and testing the plastered base layer before paving the heat insulation board, and performing next procedure construction after the heat insulation board is qualified;
(2) before the heat preservation plate is paved, firstly, hanging wires are carried out, namely horizontal lines are popped out along the periphery of a wall surface on the paving starting surface of an operation layer, and an aluminum bracket is arranged at the bottom of the paving starting surface;
(3) paving and pasting the heat-insulating plates, namely paving and pasting the heat-insulating plates on the painting layer by using a point bonding method, beating the heat-insulating plates by using a tool to enable the heat-insulating plates to be tightly pressed and pasted on a wall surface, detecting the flatness of the heat-insulating plates by using a guiding rule more than 2 meters, repairing gaps between adjacent heat-insulating plates, cutting off parts protruding out of the wall surface by using a cutter, processing the uneven positions of the gaps between the heat-insulating plates by using a polishing plate, and detecting the flatness of the heat-insulating plates by using the guiding rule more than 2 meters again;
(4) and (3) subsequent protection treatment, namely adhering an alkali-resistant mesh cloth to one side of the heat insulation plate, paving anti-crack mortar at one end of the alkali-resistant mesh cloth, coating flexible putty on the anti-crack mortar after the anti-crack mortar is dried, and coating a paint veneer at one end of the flexible putty.
Further, the brushing slurry is stirred in the step (1), the brushing slurry comprises dry powder and water, and the dry powder is mixed with the water in a weight ratio of 4: 1 (dry powder: water), standing for 5 minutes, and stirring for half a minute.
Further, the detection of the painted base layer in the step (1) shows that the adhesive strength of the painted base layer is greater than or equal to 0.45MPA, and the moisture content is less than or equal to 10 percent, so that the base layer is qualified.
Furthermore, in the step (1), the painted base layer is subjected to spot measurement, several points are selected on the painted base layer for detection, the positions of the points are scattered, and the gathering positions are far, so that spot measurement data are representative.
Further, when the insulation board is laid in the step (3), the insulation board needs to be installed by using an auxiliary fixing method, namely, a circular through hole is formed in one end of the insulation board, an anchoring piece is installed inside the circular through hole, and one end of the anchoring piece penetrates through the insulation board and extends into the wall body base layer.
Further, use the suspension wire to beat out the water flat line in step (2), the horizontal line's design makes things convenient for the horizontal fixed mounting of aluminum tray, and the design of aluminum tray is convenient to connect the support in the palm to the heated board of bottom for the slope phenomenon appears in the installation of heated board avoiding.
Further, the heat-insulation board is laid in the step (3) by using a point bonding method, 15-20 points (5-6 points in the top row and 5-7 points in the lower row) are arranged on the heat-insulation board, the thickness of the adhesive is controlled to be 5-7 mm, and the diameter of the adhesive is controlled to be 140-160 mm.
Further, the insulation board in the step (3) should be an expanded perlite board, and the thickness of the expanded perlite board is 6cm-9 cm.
Further, repair the gap between the adjacent heated board in step (3), should use sealed glue to carry out the shutoff, whole heat preservation wall's roughness is no longer than 4mm/2m when using the guiding rule more than 2 meters to detect the roughness of heated board.
Further, the main function of the alkali-resistant mesh fabric design in the step (4) is as follows: the mechanical strength of the veneer layer is changed, the resistance continuity of the veneer layer is guaranteed, the contraction pressure and the heat preservation stress of the veneer layer are dispersed, stress concentration is avoided, and cracking of the veneer layer caused by temperature and humidity changes in the nature and accidental impact is resisted.
The beneficial effect of this application is: the application provides an external wall insulation method convenient for installing insulation boards of different sizes according to specific environments.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a flow chart of the method of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The first embodiment is as follows:
a method for insulating an external wall comprises the following steps:
(1) cleaning a wall base layer, mixing plastering slurry, plastering the wall base layer, wherein the quality of plastering has a decisive effect on paving the heat insulation board, the requirement on the flatness is that every two meters is not more than 4mm, then detecting the plastered base layer, drawing and testing the plastered base layer before paving the heat insulation board, and performing next procedure construction after the heat insulation board is qualified;
(2) before the heat preservation plate is paved, firstly, hanging wires are carried out, namely horizontal lines are popped out along the periphery of a wall surface on the paving starting surface of an operation layer, and an aluminum bracket is arranged at the bottom of the paving starting surface;
(3) paving and pasting the heat-insulating plates, namely paving and pasting the heat-insulating plates on the painting layer by using a point bonding method, beating the heat-insulating plates by using a tool to enable the heat-insulating plates to be tightly pressed and pasted on a wall surface, detecting the flatness of the heat-insulating plates by using a guiding rule more than 2 meters, repairing gaps between adjacent heat-insulating plates, cutting off parts protruding out of the wall surface by using a cutter, processing the uneven positions of the gaps between the heat-insulating plates by using a polishing plate, and detecting the flatness of the heat-insulating plates by using the guiding rule more than 2 meters again;
(4) and (3) subsequent protection treatment, namely adhering an alkali-resistant mesh cloth to one side of the heat insulation plate, paving anti-crack mortar at one end of the alkali-resistant mesh cloth, coating flexible putty on the anti-crack mortar after the anti-crack mortar is dried, and coating a paint veneer at one end of the flexible putty.
Further, the brushing slurry is stirred in the step (1), the brushing slurry comprises dry powder and water, and the dry powder is mixed with the water in a weight ratio of 4: 1 (dry powder: water), standing for 5 minutes, and stirring for half a minute.
Further, the detection of the painted base layer in the step (1) shows that the adhesive strength of the painted base layer is greater than or equal to 0.45MPA, and the moisture content is less than or equal to 10 percent, so that the base layer is qualified.
Furthermore, in the step (1), the painted base layer is subjected to spot measurement, several points are selected on the painted base layer for detection, the positions of the points are scattered, and the gathering positions are far, so that spot measurement data are representative.
Further, when the insulation board is laid in the step (3), the insulation board needs to be installed by using an auxiliary fixing method, namely, a circular through hole is formed in one end of the insulation board, an anchoring piece is installed inside the circular through hole, and one end of the anchoring piece penetrates through the insulation board and extends into the wall body base layer.
Further, use the suspension wire to beat out the water flat line in step (2), the horizontal line's design makes things convenient for the horizontal fixed mounting of aluminum tray, and the design of aluminum tray is convenient to connect the support in the palm to the heated board of bottom for the slope phenomenon appears in the installation of heated board avoiding.
Further, in the step (3), the heat-insulating plate is laid by using a point bonding method, 20 points (6 points in the top row and 7 points in the next row) are arranged on the heat-insulating plate, the thickness of the adhesive is controlled to be 7mm, and the diameter of the adhesive is 160 mm.
Further, the insulation board in the step (3) should be an expanded perlite board, and the thickness of the expanded perlite board is 9 cm.
Further, repair the gap between the adjacent heated board in step (3), should use sealed glue to carry out the shutoff, whole heat preservation wall's roughness is no longer than 4mm/2m when using the guiding rule more than 2 meters to detect the roughness of heated board.
Further, the main function of the alkali-resistant mesh fabric design in the step (4) is as follows: the mechanical strength of the veneer layer is changed, the resistance continuity of the veneer layer is guaranteed, the contraction pressure and the heat preservation stress of the veneer layer are dispersed, stress concentration is avoided, and cracking of the veneer layer caused by temperature and humidity changes in the nature and accidental impact is resisted.
The method is suitable for areas with lower temperature, cold climate and larger thickness of the insulation board.
Example two:
a method for insulating an external wall comprises the following steps:
(1) cleaning a wall base layer, mixing plastering slurry, plastering the wall base layer, wherein the quality of plastering has a decisive effect on paving the heat insulation board, the requirement on the flatness is that every two meters is not more than 4mm, then detecting the plastered base layer, drawing and testing the plastered base layer before paving the heat insulation board, and performing next procedure construction after the heat insulation board is qualified;
(2) before the heat preservation plate is paved, firstly, hanging wires are carried out, namely horizontal lines are popped out along the periphery of a wall surface on the paving starting surface of an operation layer, and an aluminum bracket is arranged at the bottom of the paving starting surface;
(3) paving and pasting the heat-insulating plates, namely paving and pasting the heat-insulating plates on the painting layer by using a point bonding method, beating the heat-insulating plates by using a tool to enable the heat-insulating plates to be tightly pressed and pasted on a wall surface, detecting the flatness of the heat-insulating plates by using a guiding rule more than 2 meters, repairing gaps between adjacent heat-insulating plates, cutting off parts protruding out of the wall surface by using a cutter, processing the uneven positions of the gaps between the heat-insulating plates by using a polishing plate, and detecting the flatness of the heat-insulating plates by using the guiding rule more than 2 meters again;
(4) and (3) subsequent protection treatment, namely adhering an alkali-resistant mesh cloth to one side of the heat insulation plate, paving anti-crack mortar at one end of the alkali-resistant mesh cloth, coating flexible putty on the anti-crack mortar after the anti-crack mortar is dried, and coating a paint veneer at one end of the flexible putty.
Further, the brushing slurry is stirred in the step (1), the brushing slurry comprises dry powder and water, and the dry powder is mixed with the water in a weight ratio of 4: 1 (dry powder: water), standing for 5 minutes, and stirring for half a minute.
Further, the detection of the painted base layer in the step (1) shows that the adhesive strength of the painted base layer is greater than or equal to 0.45MPA, and the moisture content is less than or equal to 10 percent, so that the base layer is qualified.
Furthermore, in the step (1), the painted base layer is subjected to spot measurement, several points are selected on the painted base layer for detection, the positions of the points are scattered, and the gathering positions are far, so that spot measurement data are representative.
Further, when the insulation board is laid in the step (3), the insulation board needs to be installed by using an auxiliary fixing method, namely, a circular through hole is formed in one end of the insulation board, an anchoring piece is installed inside the circular through hole, and one end of the anchoring piece penetrates through the insulation board and extends into the wall body base layer.
Further, use the suspension wire to beat out the water flat line in step (2), the horizontal line's design makes things convenient for the horizontal fixed mounting of aluminum tray, and the design of aluminum tray is convenient to connect the support in the palm to the heated board of bottom for the slope phenomenon appears in the installation of heated board avoiding.
Further, the following steps: and (3) paving the heat-insulating plate by using a point bonding method, wherein 15 points (5 points in the top row and the lower row) are arranged on the heat-insulating plate, the thickness of the adhesive is controlled to be 5mm, and the diameter of the adhesive is 140 mm.
Further, the insulation board in the step (3) should be an expanded perlite board, and the thickness of the expanded perlite board is 6 cm.
Further, repair the gap between the adjacent heated board in step (3), should use sealed glue to carry out the shutoff, whole heat preservation wall's roughness is no longer than 4mm/2m when using the guiding rule more than 2 meters to detect the roughness of heated board.
Further, the main function of the alkali-resistant mesh fabric design in the step (4) is as follows: the mechanical strength of the veneer layer is changed, the resistance continuity of the veneer layer is guaranteed, the contraction pressure and the heat preservation stress of the veneer layer are dispersed, stress concentration is avoided, and cracking of the veneer layer caused by temperature and humidity changes in the nature and accidental impact is resisted.
The method is suitable for areas with higher temperature and smaller thickness of the insulation board.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A method for insulating an external wall is characterized in that: the method for insulating the external wall comprises the following steps:
(1) cleaning a wall base layer, mixing plastering slurry, plastering the wall base layer, wherein the quality of plastering has a decisive effect on paving the heat insulation board, the requirement on the flatness is that every two meters is not more than 4mm, then detecting the plastered base layer, drawing and testing the plastered base layer before paving the heat insulation board, and performing next procedure construction after the heat insulation board is qualified;
(2) before the heat preservation plate is paved, firstly, hanging wires are carried out, namely horizontal lines are popped out along the periphery of a wall surface on the paving starting surface of an operation layer, and an aluminum bracket is arranged at the bottom of the paving starting surface;
(3) paving and pasting the heat-insulating plates, namely paving and pasting the heat-insulating plates on the painting layer by using a point bonding method, beating the heat-insulating plates by using a tool to enable the heat-insulating plates to be tightly pressed and pasted on a wall surface, detecting the flatness of the heat-insulating plates by using a guiding rule more than 2 meters, repairing gaps between adjacent heat-insulating plates, cutting off parts protruding out of the wall surface by using a cutter, processing the uneven positions of the gaps between the heat-insulating plates by using a polishing plate, and detecting the flatness of the heat-insulating plates by using the guiding rule more than 2 meters again;
(4) and (3) subsequent protection treatment, namely adhering an alkali-resistant mesh cloth to one side of the heat insulation plate, paving anti-crack mortar at one end of the alkali-resistant mesh cloth, coating flexible putty on the anti-crack mortar after the anti-crack mortar is dried, and coating a paint veneer at one end of the flexible putty.
2. The method of insulating an exterior wall according to claim 1, wherein: in the step (1), the brushing slurry is stirred, the brushing slurry is composed of dry powder and water, and after the dry powder enters a field, the weight ratio of the dry powder to the water is 4: 1 (dry powder: water), standing for 5 minutes, and stirring for half a minute.
3. The method of insulating an exterior wall according to claim 1, wherein: and (3) detecting the painted base layer in the step (1), wherein the adhesive strength of the painted base layer is greater than or equal to 0.45MPA, and the moisture content is less than or equal to 10 percent, so that the painted base layer is qualified.
4. The method of insulating an exterior wall according to claim 1, wherein: in the step (1), the painted base layer is subjected to spot measurement, several points are selected for detection, the positions of the points are scattered and the gathering positions are far, so that spot measurement data are representative.
5. The method of insulating an exterior wall according to claim 1, wherein: when the insulation board is laid in the step (3), the insulation board needs to be installed by using an auxiliary fixing method, namely, a circular through hole is formed in one end of the insulation board, an anchoring piece is installed in the circular through hole, and one end of the anchoring piece penetrates through the insulation board and extends into the wall body base layer.
6. The method of insulating an exterior wall according to claim 1, wherein: and (3) a horizontal line is marked out by using a suspension wire in the step (2), the horizontal line is designed to facilitate the horizontal fixed installation of the aluminum bracket, and the design of the aluminum bracket facilitates the supporting and supporting of the insulation board at the bottom layer, so that the inclination phenomenon is avoided in the installation of the insulation board.
7. The method of insulating an exterior wall according to claim 1, wherein: and (3) paving the heat-insulating plate by using a point bonding method, wherein 15-20 points (5-6 points in the top row and 5-7 points in the lower row) are arranged on the heat-insulating plate, the thickness of the adhesive is controlled to be 5-7 mm, and the diameter of the adhesive is controlled to be 140-160 mm.
8. The method of insulating an exterior wall according to claim 1, wherein: the insulation board in the step (3) should be an expanded perlite board, and the thickness of the expanded perlite board is 6cm-9 cm.
9. The method of insulating an exterior wall according to claim 1, wherein: and (4) repairing gaps between adjacent insulation boards in the step (3), plugging by using sealant, wherein the flatness of the whole insulation wall surface is not more than 4mm/2m when the guiding rule with the length of more than 2m is used for detecting the flatness of the insulation boards.
10. The method of insulating an exterior wall according to claim 1, wherein: the design of the alkali-resistant mesh cloth in the step (4) mainly has the following functions: the mechanical strength of the veneer layer is changed, the resistance continuity of the veneer layer is guaranteed, the contraction pressure and the heat preservation stress of the veneer layer are dispersed, stress concentration is avoided, and cracking of the veneer layer caused by temperature and humidity changes in the nature and accidental impact is resisted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011444566.5A CN112392162A (en) | 2020-12-08 | 2020-12-08 | Method for insulating external wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011444566.5A CN112392162A (en) | 2020-12-08 | 2020-12-08 | Method for insulating external wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112392162A true CN112392162A (en) | 2021-02-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114991326A (en) * | 2022-06-16 | 2022-09-02 | 重庆欧克斯新型建材股份有限公司 | Heat insulation board convenient to construct and construction method |
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| CN114991326A (en) * | 2022-06-16 | 2022-09-02 | 重庆欧克斯新型建材股份有限公司 | Heat insulation board convenient to construct and construction method |
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Application publication date: 20210223 |