CN112376837A - External thermal insulation system installation method and external thermal insulation system - Google Patents
External thermal insulation system installation method and external thermal insulation system Download PDFInfo
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- CN112376837A CN112376837A CN202011257592.7A CN202011257592A CN112376837A CN 112376837 A CN112376837 A CN 112376837A CN 202011257592 A CN202011257592 A CN 202011257592A CN 112376837 A CN112376837 A CN 112376837A
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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
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
-
- 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
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0801—Separate fastening elements
- E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
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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
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0885—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements specially adapted for being adhesively fixed to the wall; Fastening means therefor; Fixing by means of plastics materials hardening after application
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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
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0889—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections
- E04F13/0891—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections with joint fillings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
The invention discloses an external thermal insulation system installation method and an external thermal insulation system, wherein the external thermal insulation system installation method comprises the following steps: step S1: preprocessing a base layer wall; step S2: snapping line lattices are carried out on the pretreated base layer wall; step S3: leveling the outside of the base layer wall to form a leveling layer; step S4: the STP heat-insulation decorative plate is adhered to the leveling layer by adhering mortar, and then is fixed by the fixing piece; step S5: and sealing the plate seam of the STP heat-insulating decorative plate.
Description
Technical Field
The invention relates to the field of external wall insulation, in particular to an external insulation system and an installation method thereof for a veneer external wall.
Background
In recent years, with the development of the external thermal insulation industry of the external wall, the carbon emission of the building can be reduced by arranging an external thermal insulation system on the external wall, so that the building is developed in the field of building structures with high efficiency and energy conservation.
The existing external thermal insulation system mostly adopts polystyrene foam, polyurethane foam and rock wool boards as thermal insulation materials, but the materials have poor thermal insulation performance, and the problems of high construction difficulty, easy shedding and the like easily cause safety problems, and meanwhile, the construction efficiency is low due to poor operability during installation, and the economical efficiency is low due to high material cost and construction cost.
Therefore, it is desirable to develop a method for installing an external thermal insulation system and an external thermal insulation system that overcome the above-mentioned drawbacks.
Disclosure of Invention
In view of the above problems, the present invention provides an external thermal insulation system installation method, which includes:
step S1: preprocessing a base layer wall;
step S2: snapping line lattices are carried out on the pretreated base layer wall;
step S3: leveling the outside of the base layer wall to form a leveling layer;
step S4: the STP heat-insulation decorative plate is adhered to the leveling layer by adhering mortar, and then is fixed by the fixing piece;
step S5: and sealing the plate seam of the STP heat-insulating decorative plate.
The method for installing an external thermal insulation system, wherein the step S2 includes:
step S21: popping up a vertical control line and a horizontal control line by combining a building design drawing and a field actual control point;
step S22: measuring based on the vertical control line and the horizontal control line to obtain measurement data;
step S23: drawing a sketch of the outer vertical surface of the building according to the measurement data, determining an optimized plate arrangement and division scheme, and forming a layout design division construction drawing;
step S24: and performing line snapping and dividing by taking the vertical control line and the horizontal control line as references, popping the installation control line of each plate according to a typesetting design division construction drawing, determining the width of a joint, and manufacturing a uniform feeler gauge.
In the above method for installing an external thermal insulation system, step S4 includes:
step S41: determining an anchoring position according to the typesetting design grid construction drawing and drilling the anchoring position to form a fixing hole;
step S42: installing a full-length angle steel bracket in the positive and negative zero positions of the bottom of the first layer in the horizontal direction;
step S43: coating the bonding mortar on the back of the STP heat-insulating decorative plate in a sticking mode of a dot-frame method;
step S44: then installing the STP heat-insulating decorative plate on the wall surface according to the dividing lines and compacting;
step S45: and fixing the STP heat-insulating decorative plate by matching the fixing component with the fixing hole.
The method for installing an external thermal insulation system, wherein the step S5 includes:
step S51: cleaning the plate seams and the peripheral parts of the STP heat-insulating decorative plate;
step S52: uncovering the protective films on the two sides of the plate seam, sticking masking paper along the two sides of the plate seam, and extruding and injecting sealant;
step S53: filling gap filling materials into the plate seams;
step S54: and scraping the sealant and then removing the masking paper.
The installation method of the external thermal insulation system further comprises a step S6 of cleaning the surface layer of the STP thermal insulation decorative plate.
The method for installing an external thermal insulation system, wherein the step S6 includes: cleaning the coated dust and dirt on the edge of the STP heat-insulating decorative plate, removing the left mortar, and sequentially uncovering the protective film of the STP heat-insulating decorative plate from the top layer downwards.
In the above method for installing an external thermal insulation system, step S43 includes: coating uniformly mixed bonding mortar on the back surface of the heat-insulating composite board by using a trowel point, coating frame strip ash on the periphery of the board by using the mortar, controlling the width of the frame strip ash to be about 40mm, controlling the diameter of each coating point to be more than 150mm, and ensuring that the number of each coating point is not less than 8.
In the above method for installing an external thermal insulation system, step S44 includes: the method comprises the steps of firstly installing internal and external corners, then installing the STP heat-insulation decorative plate on a leveling layer according to dividing lines and compacting, wherein the installation sequence of the STP heat-insulation decorative plate is from bottom to top along a horizontal control line.
In the method for installing the external thermal insulation system, in step S53, a joint filling material is selected according to the size of the plate joint, the plate joint is filled, and the joint filling material extends 3mm to 5mm deep into the plate surface of the STP thermal insulation decorative plate.
In the method for installing the external thermal insulation system, in step S44, the adhering area of each STP thermal insulation decorative board is not less than 60%, and the adhering thickness is 10-12 mm.
In the installation method of the external thermal insulation system, the plate seam is less than or equal to 20mm, and the joint filling material is an elastic joint filling material.
In the above method for installing an external thermal insulation system, step S45 includes: the distance between the fixing components is less than or equal to 30cm, the fixing components comprise metal hangers and metal plastic anchor bolts, the metal hangers are connected with the panel of the STP heat-preservation decorative plate, and the standard value of the tensile bearing capacity of the single metal plastic anchor bolt is not less than 0.60 kN.
The method for installing the external thermal insulation system further includes step S7: and (4) inspecting the installed veneer external wall external thermal insulation system.
The invention also provides an external thermal insulation system, wherein the external thermal insulation system installation method is applied to any one of the above, and the external thermal insulation system comprises:
the leveling layer is arranged on the base layer wall body;
the STP heat-insulation decorative plates are adhered to the leveling layer through adhesive mortar;
the fixing components are matched with the fixing holes to fix the STP heat-insulating decorative plate;
and the plurality of joint filling materials are arranged between the plate joints of the STP heat-insulation decorative plate and are sealed through sealant.
In summary, compared with the prior art, the invention has the following effects: the invention has the advantages of strong operability during the construction of the external heat insulation system, reduced cost and capability of meeting various safety indexes.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a flow chart of a method of installing an external thermal insulation system of the present invention;
FIG. 2 is a flowchart illustrating the substeps of step S2 in FIG. 1;
FIG. 3 is a flowchart illustrating the substeps of step S4 in FIG. 1;
FIG. 4 is a flowchart illustrating the substeps of step S5 in FIG. 1;
fig. 5 is a schematic structural view of the external thermal insulation system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.
References to "a plurality" herein include "two" and "more than two".
Referring to fig. 1, fig. 1 is a flow chart of an installation method of an external thermal insulation system according to the present invention. As shown in fig. 1, the method for installing the external thermal insulation system of the present invention includes:
step S1: preprocessing a base layer wall;
step S2: snapping line lattices are carried out on the pretreated base layer wall;
step S3: leveling the outside of the base layer wall to form a leveling layer;
step S4: the STP heat-insulation decorative plate is adhered to the leveling layer by adhering mortar, and then is fixed by the fixing piece;
step S5: and sealing the plate seam of the STP heat-insulating decorative plate.
Further, the step S2 includes:
step S21: popping up a vertical control line and a horizontal control line by combining a building design drawing and a field actual control point;
step S22: measuring based on the vertical control line and the horizontal control line to obtain measurement data;
step S23: drawing a sketch of the outer vertical surface of the building according to the measurement data, determining an optimized plate arrangement and division scheme, and forming a layout design division construction drawing;
step S24: and performing line snapping and dividing by taking the vertical control line and the horizontal control line as references, popping the installation control line of each plate according to a typesetting design division construction drawing, determining the width of a joint, and manufacturing a uniform feeler gauge.
Still further, the step S4 includes:
step S41: determining an anchoring position according to the typesetting design grid construction drawing and drilling the anchoring position to form a fixing hole;
step S42: installing a full-length angle steel bracket in the positive and negative zero positions of the bottom of the first layer in the horizontal direction;
step S43: coating the bonding mortar on the back of the STP heat-insulating decorative plate in a sticking mode of a dot frame method, wherein the step S43 comprises the following steps: coating uniformly mixed bonding mortar on the back surface of the heat-insulating composite board by using a trowel point, coating frame strip ash on the mortar along the periphery of the board, wherein the width of the frame strip ash is controlled to be about 40mm, the diameter of each coating point is more than 150mm, and each square meter is not less than 8 coating points;
step S44: then installing the STP heat-insulating decorative plate on the wall surface according to the dividing lines and compacting; wherein, the step S44 includes: firstly, installing internal and external corners, then installing the STP heat-insulation decorative boards on the leveling layer according to the dividing lines and compacting, wherein the installation sequence of the STP heat-insulation decorative boards is that the STP heat-insulation decorative boards are installed from bottom to top along the horizontal control line, in the embodiment, the adhering area of each STP heat-insulation decorative board in the step S44 is not less than 60%, and the adhering thickness is 10-12 mm;
step S45: the STP heat-insulation decorative plate is fixed by matching the fixing component with the fixing hole; wherein, the step S45 includes: the distance between the fixing components is less than or equal to 30cm, the fixing components comprise metal hangers and metal plastic anchor bolts, the metal hangers are connected with the panel of the STP heat-preservation decorative plate, and the standard value of the tensile bearing capacity of the single metal plastic anchor bolt is not less than 0.60 kN.
Still further, the step S5 includes:
step S51: cleaning the plate seams and the peripheral parts of the STP heat-insulating decorative plate;
step S52: uncovering the protective films on the two sides of the plate seam, sticking masking paper along the two sides of the plate seam, and extruding and injecting sealant;
step S53: filling gap filling materials into the plate seams; in step S53, selecting a joint filling material according to the size of the board joint, and filling the board joint, wherein the joint filling material extends 3mm to 5mm deep into the board surface of the STP thermal insulation decorative board, in this embodiment, the board joint is controlled to be less than or equal to 20mm during construction, and the joint filling material is an elastic joint filling material;
step S54: and scraping the sealant and then removing the masking paper.
Still further, still include:
step S6: cleaning the surface layer of the STP heat-insulating decorative plate; wherein the step S6 includes: cleaning the coated dust and dirt on the edge of the STP heat-preservation decorative plate, removing the left mortar, and sequentially uncovering the protective film of the STP heat-preservation decorative plate from the top layer downwards;
step S7: and (5) inspecting the installed external thermal insulation system.
The method for installing the external thermal insulation system of the present invention will be described below with reference to fig. 1 to 4 by way of specific embodiments.
Firstly, a base wall body is treated before construction, the base is solid and flat, the surface is clean and free of oil stains, release agents and other attachments which hinder bonding, and meanwhile, the base and a connecting piece of the wall body, a downpipe clamp, a pipeline support of natural gas, a network cable and the like, an air conditioner hole and a wall bushing are reserved or installed in advance and are subjected to sealing and waterproof treatment.
Secondly, the snap line box and draw the platoon way territory, include:
1) and (4) popping up a vertical control line and a horizontal control line by combining a building design drawing and a field actual control point, and measuring the actual sizes of doors, windows, lines, walls and the like from the control lines. According to the actual paying-off condition, carrying out actual measurement, marking the actual measurement size on the measurement paying-off diagram, and drawing an actual measurement diagram by a designer;
2) drawing a draft of the outer vertical surface of the building according to the measurement data, determining an optimized layout plate division scheme, making a layout design division construction drawing, and recording after approval of Party A (including confirmation of the colors of the main board and the lines). The division scheme is material-saving, beautiful and safe;
3) when the snapping line is divided into squares, a vertical line and a horizontal line are set as straight references; popping up an installation control line of each plate according to a grid scheme of a designed plate arrangement, determining the width of a joint, and manufacturing a uniform feeler gauge;
4) according to the actual line snapping situation, combining a design plate arrangement drawing, issuing an actual size and a detailed stock list corresponding to each plate, and numbering the STP heat-insulation decorative plates with special specifications;
5) at the edge of the wall surface, when the whole STP heat-insulating decorative plate can not completely cover the heat-insulating part, the heat-insulating decorative plates made of other heat-insulating materials can be adopted for sticking.
When the bullet line is divided into squares, vertical lines and horizontal lines are set as straight references; popping up an installation control line of each plate according to a grid scheme of a designed plate arrangement, determining the width of a joint, and manufacturing a uniform feeler gauge; the measurement of the grid axis is matched with the measurement of the main structure, and the deviation of the grid axis is adjusted in time and cannot be accumulated; the installation positioning reference of the external thermal insulation decoration engineering should be checked regularly.
And thirdly, leveling the outer wall, if the size of the heat-insulation decorative plate is larger, plastering cakes on anchoring points of the heat-insulation decorative plate are needed to ensure that each corner is on a plane, the thickness of the bonding mortar is certainly larger than that of the plastering cakes, and the thickness of the bonding mortar is adjusted by extrusion.
And secondly, the preparation and installation of the special bonding mortar comprise the following steps:
1) and standing the stirred mortar for 10 minutes, and stirring for the second time for use. The preparation of each time is not excessive, the mortar is used up within 3 hours or within the time specified in the product specification according to different environmental temperature conditions, and attention is paid to that no other additives can be added into the special mortar;
2) drilling holes at the anchoring positions of the fixing assemblies are preferably drilled before the STP heat-insulation decorative plate is adhered, drilling holes at the anchoring positions determined according to the plate arrangement diagram for later use, and cleaning up dust around the drilled holes in time;
3) installing a full-length angle steel bracket in the positive and negative zero positions of the bottom of the first layer in the horizontal direction;
4) the adhesive method of the dot frame method is adopted, and the uniformly mixed adhesive mortar is firstly coated on the back of the heat-insulating composite board by using a trowel. Frame strip ash is firstly coated on the mortar along the periphery of the plate, the width of the frame strip ash is controlled to be about 40mm, the diameter of each coating point is more than 150mm, and each square meter is not less than 8 coating points. When the heat-insulating decorative plate is pasted, the heat-insulating decorative plate is uniformly extruded and slides to be in place, so that the flatness and the verticality are ensured, and the heat-insulating decorative plate is aligned to dividing seams; the panel is not hammered or beaten by other methods. When the plate enters the inner side of the control line after being compacted, the outward side of the plate is strictly forbidden to be adjusted to be flush with the control line, the plate is detached, the thickness of the bonding mortar is adjusted, the bonding mortar is re-bonded, the bonding mortar extruded from the periphery of the plate is timely cleaned, and gaps between the plates are uniform;
5) the construction sequence of the heat-insulating decorative plate is that construction is carried out along a horizontal line from bottom to top, wherein a concave-convex corner is installed firstly during construction, and then the heat-insulating decorative plate is installed on the wall surface according to dividing lines and compacted;
6) special STP heat preservation decoration matching plates are adopted at the positions of an air conditioner shelf, a cornice, an unclosed balcony, the inner side of a parapet, the side surface of a door and window hole, a wall through hole and the like;
7) after the STP heat-insulating decorative plate is adhered, temporary protection measures are taken for parts possibly polluted by subsequent engineering; temporary protection measures are taken for the inlet, the channel, the external corner and other parts which are likely to collide in the construction process;
8) when the STP plate is pasted, the flatness, the verticality and the square and square of the internal and external corners are checked at any time, and parts which do not meet the requirements are trimmed;
9) the sharp instrument is strictly forbidden to collide with a heavy object and extrude the surface of the STP plate, and if the STP plate is damaged, the STP plate is replaced in time;
10) and after the STP heat-insulating decorative plate is adhered, the fixing assembly can be installed. The flange anchor bolt is fixed on the base layer wall body and is screwed down, the tail portion of the flange anchor bolt is ensured to be screwed back to be fully anchored with the base layer, and the metal hanging piece in the assembly is connected with the decoration panel.
Then, the plate seam processing includes:
1) and sealing the bonding mortar after the bonding mortar is dried. Before treatment, plate seams and peripheral parts are cleaned, joint filling materials are embedded into the plate seams, protective films on two sides of the plate seams are firstly uncovered, masking paper is pasted along the two sides of the plate seams, and finally sealant is extruded;
2) according to the size of the plate seam, proper gap filling materials are selected to fill the plate seam, and the gap filling materials are 3-5 mm deep into the plate surface. The filling depth is straight and consistent;
3) cleaning and cleaning the seams and the peripheral parts of the thermal insulation decorative plate without dust, oil stains, accumulated water and other pollutants;
4) when the sealant is extruded, the gun nozzle is required to go deep into the gap, move uniformly, slowly and continuously, no cavity or bubble is generated, the sealant gap is required to be modified immediately after the sealant is applied, the sealant can be extruded into the gap by an elastic plastic plate, so that the sealant is fully contacted with the plate gap, and meanwhile, the sealant on the surface of the heat-insulation decorative plate is scraped smoothly;
5) after finishing the board seam scraping, the beautiful pattern paper can be taken off and properly treated. If the surface of the film-coated plate is the surface of the heat-preservation decorative plate, the protective film is timely uncovered when the scaffold is removed, and the surface of the heat-preservation decorative plate is cleaned.
Finally, the installed external thermal insulation system is inspected, and at least the inspection comprises the following steps:
1) a base layer attached to the heat-insulating decorative plate and surface treatment thereof;
2) bonding or fixing the heat-insulating decorative plate;
3) setting a fixed component;
4) mounting a keel;
5) processing a thermal bridge part;
6) processing plate seams and structural joints;
7) thickness of the thermal insulation material of the thermal insulation decorative plate.
Table 1 STP board installation allowance deviation and checking method
TABLE 2 STP board external thermal insulation finishing layer allowable deviation and inspection method
Surface layer size deviation of mounted surface of STP heat-insulating decorative plate with meter 5.3.6
Referring to fig. 5, fig. 5 is a schematic structural view of an external thermal insulation system according to the present invention. As shown in fig. 5, the external thermal insulation system of the present invention is characterized in that, by applying any one of the above-mentioned external thermal insulation system installation methods, the external thermal insulation system includes:
the leveling layer 1 is arranged on the base layer wall body 2; the STP heat-insulating decorative plates 3 are adhered to the leveling layer 1 through adhering mortar 4 by the plurality of STP heat-insulating decorative plates 3; the STP heat-insulation decorative plate 3 is fixed by matching a plurality of fixing components 5 with the fixing holes; and a plurality of joint filling materials are arranged between the plate seams of the STP heat-insulation decorative plate 3 and are sealed 6 through sealant.
In conclusion, the external thermal insulation system has strong operability during construction, reduces the cost and can meet various safety indexes.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An external thermal insulation system installation method, comprising:
step S1: preprocessing a base layer wall;
step S2: snapping line lattices are carried out on the pretreated base layer wall;
step S3: leveling the outside of the base layer wall to form a leveling layer;
step S4: the STP heat-insulation decorative plate is adhered to the leveling layer by adhering mortar, and then is fixed by the fixing piece;
step S5: and sealing the plate seam of the STP heat-insulating decorative plate.
2. The external thermal insulation system installation method of claim 1, wherein the step S2 includes:
step S21: popping up a vertical control line and a horizontal control line by combining a building design drawing and a field actual control point;
step S22: measuring based on the vertical control line and the horizontal control line to obtain measurement data;
step S23: drawing a sketch of the outer vertical surface of the building according to the measurement data, determining an optimized plate arrangement and division scheme, and forming a layout design division construction drawing;
step S24: and performing line snapping and dividing by taking the vertical control line and the horizontal control line as references, popping the installation control line of each plate according to a typesetting design division construction drawing, determining the width of a joint, and manufacturing a uniform feeler gauge.
3. The external thermal insulation system installation method of claim 1, wherein the step S4 includes:
step S41: determining an anchoring position according to the typesetting design grid construction drawing and drilling the anchoring position to form a fixing hole;
step S42: installing a full-length angle steel bracket in the positive and negative zero positions of the bottom of the first layer in the horizontal direction;
step S43: coating the bonding mortar on the back of the STP heat-insulating decorative plate in a sticking mode of a dot-frame method;
step S44: then installing the STP heat-insulating decorative plate on the wall surface according to the dividing lines and compacting;
step S45: and fixing the STP heat-insulating decorative plate by matching the fixing component with the fixing hole.
4. The external thermal insulation system installation method of claim 1, wherein the step S5 includes:
step S51: cleaning the plate seams and the peripheral parts of the STP heat-insulating decorative plate;
step S52: uncovering the protective films on the two sides of the plate seam, sticking masking paper along the two sides of the plate seam, and extruding and injecting sealant;
step S53: filling gap filling materials into the plate seams;
step S54: and scraping the sealant and then removing the masking paper.
5. The external thermal insulation system installation method of claim 1, further comprising a step S6 of cleaning a surface layer of the STP thermal insulation decorative panel, wherein the step S6 comprises: cleaning the coated dust and dirt on the edge of the STP heat-insulating decorative plate, removing the left mortar, and sequentially uncovering the protective film of the STP heat-insulating decorative plate from the top layer downwards.
6. The external thermal insulation system installation method of claim 3, wherein the step S43 includes: coating uniformly mixed bonding mortar on the back surface of the heat-insulating composite board by using a trowel point, coating frame strip ash on the periphery of the board by using the mortar, controlling the width of the frame strip ash to be about 40mm, controlling the diameter of each coating point to be more than 150mm, and ensuring that the number of each coating point is not less than 8.
7. The external thermal insulation system installation method of claim 3, wherein the step S44 includes: the method comprises the steps of firstly installing internal and external corners, then installing the STP heat-insulation decorative plates on a leveling layer according to dividing lines and compacting, wherein the installation sequence of the STP heat-insulation decorative plates is that the STP heat-insulation decorative plates are installed from bottom to top along a horizontal control line, wherein the adhering area of each STP heat-insulation decorative plate is not less than 60%, and the adhering thickness is 10-12 mm.
8. The external thermal insulation system installation method of claim 4, wherein the step S53 comprises selecting a joint filling material according to the size of the plate joint, and filling the plate joint, wherein the joint filling material extends into the plate surface of the STP thermal insulation decorative plate by 3-5 mm, the plate joint is less than or equal to 20mm, and the joint filling material is an elastic joint filling material.
9. The external thermal insulation system installation method of claim 3, wherein the step S45 includes: the distance between the fixing components is less than or equal to 30cm, the fixing components comprise metal hangers and metal plastic anchor bolts, the metal hangers are connected with the panel of the STP heat-preservation decorative plate, and the standard value of the tensile bearing capacity of the single metal plastic anchor bolt is not less than 0.60 kN.
10. An external thermal insulation system, characterized in that, by applying the method for installing an external thermal insulation system according to any one of claims 1 to 10, the external thermal insulation system comprises:
the leveling layer is arranged on the base layer wall body;
the STP heat-insulation decorative plates are adhered to the leveling layer through adhesive mortar;
the fixing components are matched with the fixing holes to fix the STP heat-insulating decorative plate;
and the plurality of joint filling materials are arranged between the plate joints of the STP heat-insulation decorative plate and are sealed through sealant.
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