CN106193499B - Anchoring and supporting structure of composite heat-insulation integrated plate and process method - Google Patents
Anchoring and supporting structure of composite heat-insulation integrated plate and process method Download PDFInfo
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- CN106193499B CN106193499B CN201610773457.5A CN201610773457A CN106193499B CN 106193499 B CN106193499 B CN 106193499B CN 201610773457 A CN201610773457 A CN 201610773457A CN 106193499 B CN106193499 B CN 106193499B
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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
- E04F13/0801—Separate fastening elements
- E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
- E04F13/0805—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements with additional fastening elements between furring elements and the wall
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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
- E04F13/0801—Separate fastening elements
- E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
- E04F13/081—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements with additional fastening elements between furring elements and covering elements
-
- 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
- E04F13/0866—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 composed of several layers, e.g. sandwich panels or layered panels
-
- 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)
- Building Environments (AREA)
- Finishing Walls (AREA)
Abstract
The utility model provides a compound heat preservation intergral template anchor holds in palm and hangs structure, includes dry pendant (1), thermal composite board, its characterized in that dry pendant is "L" type platelike, including fixed plate (11) and backup pad (12), the both sides of backup pad are located to the thermal composite board, backup pad one end is equipped with "worker" shape fastener (13), fixed plate central authorities are equipped with bar fixed orifices (14), the thermal composite board contains decorative board (2), heated board (3) from outside to inside, the decorative board both ends are opened has catching groove (4), the inboard and the catching groove face laminating of the outer wing (131) of fastener (13), the interior wing (132) embedding of fastener in the heated board, the lateral surface of outer wing is less than the decorative board lateral surface.
Description
Technical Field
The invention relates to a construction method of a heat insulation board, in particular to an anchoring and supporting structure of a composite heat insulation integrated board and a process method.
Background
With the global warming, the nation has come out a series of energy-saving and emission-reducing measures, including industrial and civil building heat preservation. The common method for wall heat preservation is to complete a main building including a wall body in the building construction process, then perform wall heat preservation, and finally perform outer wall or inner wall decoration. The wall body heat preservation is usually to compound the insulation board outside or inboard the wall body, such as polyphenyl board, polyurethane board, etc., adopt net cloth, anchor assembly, etc. to cooperate with special mortar to fix the insulation board inside or outside the wall, and then make the decorative cover outside the insulation board. The whole engineering workload is quite large, and local anchors fall off, so that the whole heat insulation layer easily falls off, and certain potential safety hazards exist.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a composite heat-insulation integrated plate anchoring and supporting structure and a process method, wherein the composite heat-insulation integrated plate anchoring and supporting structure comprises a dry hanging piece and a heat-insulation composite plate, and is characterized in that the dry hanging piece is in an L-shaped plate shape and comprises a fixing plate and a supporting plate, the heat-insulation composite plate is arranged on two sides of the supporting plate, an I-shaped fastener is arranged at one end of the supporting plate, a strip-shaped fixing hole is formed in the center of the fixing plate, the heat-insulation composite plate comprises a veneer and a heat-insulation plate from outside to inside, buckle grooves are formed in two ends of the veneer, the inner sides of outer buckle wings of the fasteners are attached to the surfaces of the buckle grooves, the inner buckle wings of the fasteners.
Furthermore, the fixing plate, the supporting plate and the fastener are integrally cast.
Further, the supporting plate is connected with the fastener through a countersunk bolt.
Furthermore, one side of an inner buckle wing of the fastener extends to form a connecting plate, the connecting plate is provided with a threaded hole, the supporting plate is provided with a second strip-shaped fixing hole, and the countersunk head bolt penetrates through the second fixing hole and is connected with the threaded hole.
Furthermore, the outer end of the threaded hole protrudes out of the connecting plate and is embedded in the heat insulation plate.
Further, the hole circumference of the second fixing hole is gradually reduced from inside to outside.
A construction method of a dry hanging structure of a heat-insulation composite board is characterized by comprising the following steps:
a. base layer treatment: firstly, chiseling or repairing a convex or concave part on a wall body base layer, wherein cement mortar is adopted for filling and coating during repairing, reinforcement measures of longitudinal bar planting and coating of an interface agent are required for the part with the depth of more than 35mm during repairing, and then polymer cement mortar with the strength of not less than M7.5 is adopted for leveling the base layer, and the thickness of not more than 15 mm;
b. and (3) measurement and paying-off: according to the design of a building vertical surface, popping a horizontal line, a vertical control line and a partition suture line of a door and window opening on a base layer;
c. hanging a reference line: hanging vertical datum lines at four large angles and other necessary positions of the building, and hanging a horizontal line at a proper position of each floor so as to control the verticality and the flatness of the heat-insulation composite board;
d. preparing bonding mortar: the bonding mortar is stirred along with the application, the stirring time of the handheld electric stirrer is not less than 3min, then the handheld electric stirrer is kept stand for 5min, and the stirred bonding mortar is used up within 2 to 4 hours.
e. Pasting the heat-insulation composite board: (1) before installation, typesetting according to the specification and design requirements of the heat-insulating composite board and the size of a construction site, arranging the heat-insulating composite board to be cut at the position of a male corner and a female corner, (2) coating the adhesive mortar prepared in the step D on one surface of the heat-insulating composite board, so that the adhesive mortar cannot be coated on the side surface of the heat-insulating board, then pasting the heat-insulating composite board on a base layer wall, softly and uniformly extruding the heat-insulating composite board when pasting, removing the overflowing adhesive mortar until the adhesive mortar overflows at the board edge, checking the verticality and the flatness by using a 2m guiding rule and a wire supporting plate, and (3) drilling an anchoring hole below the composite heat-insulating board, clamping an outer fastening wing of a fastener of a dry hanging piece on the surface of a slot, embedding an inner fastening wing into the heat-insulating board, simultaneously enabling a fixing plate of the dry hanging piece to be tightly pasted on the base layer wall and enabling the anchoring hole to be located at a strip-shaped fixing, the dry hanging piece plays a role in supporting the heat insulation board, another composite heat insulation board is adhered below the heat insulation board, the adhering construction sequence is from bottom to top in the vertical direction, the external corner is firstly arranged at the back of the internal corner, and the large surface, the small surface and the hole are arranged at the back in the horizontal direction;
f. sealing plate seams: and E, for the separation joint formed by the catching groove and the dry hanging piece between the two heat-insulation composite boards stuck in the step E, firstly cleaning the flashes and burrs on the two sides of the separation joint and overflowing bonding mortar, and then fully punching the separation joint by using the sealant, wherein the sealant is firstly punched into the internal corner and the external corner of the internal corner to 1-2mm to prevent the expansion caused by heat and the contraction caused by cold, and the separation joint is fully punched after the depth of the internal corner and the external corner is equal to the plate thickness.
The invention has the remarkable characteristics that in consideration of a method for externally hanging the composite insulation board, a row of dry hanging pieces are arranged on a base wall body at certain intervals, the insulation board is buckled in an I-shaped fastener of the hanging pieces, and simultaneously, each insulation board is provided with an upper buckling groove and a lower buckling groove matched with the dry hanging pieces.
Drawings
Fig. 1 is a schematic structural view of a dry-hang element according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a dry-hang element according to a second embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a dry-hang element according to a second embodiment of the present disclosure;
fig. 4 is a schematic structural view of a dry hanging piece and a composite heat-insulating board in cooperation in the first embodiment of the present invention;
fig. 5 is a schematic structural view of the dry hanging piece and the composite insulation board in the second embodiment of the invention;
FIG. 6 is a schematic structural view of the dry hanging piece and the composite insulation board in cooperation during construction according to the second embodiment of the invention;
FIG. 7 is a schematic view of the present invention during construction of external corners;
FIG. 8 is a schematic view of the present invention during construction of internal corners;
wherein, 1 is the dry pendant, 2 is the decorative board, 3 is the heated board, 4 is the catching groove, 5 is the countersunk bolt, 6 is the connecting plate, 7 is fixed orifices two, 8 is the screw hole, 9 is the inflation pipe fitting, 10 is the basic unit wall body, 11 is the fixed plate, 12 is the backup pad, 13 is the fastener, 14 is the bar fixed orifices, 15 is bonding mortar, 131 is outer buckle wing, 132 is interior buckle wing.
Detailed Description
In the first embodiment, as shown in fig. 1, 3, and 6 to 8, the invention relates to a composite heat-insulating integrated plate anchoring and supporting structure and a process method thereof, comprising a dry-hanging member (1) and a heat-insulating composite plate, it is characterized in that the dry hanging piece is in an L-shaped plate shape and comprises a fixing plate (11) and a supporting plate (12), the heat-insulating composite board is arranged on two sides of the supporting plate, one end of the supporting plate is provided with an I-shaped fastener (13), the fixing plate, the supporting plate and the fastener are cast integrally, a strip-shaped fixing hole (14) is arranged in the center of the fixing plate, the heat-insulating composite board comprises a veneer (2) and a heat-insulating board (3) from outside to inside, the two ends of the veneer are provided with buckle grooves (4), the inner sides of the outer buckle wings (131) of the fasteners (13) are jointed with the surfaces of the buckle grooves, an inner buckle wing (132) of the buckle is embedded into the heat insulation board, and the outer side face of the outer buckle wing is lower than the outer side face of the veneer.
Concrete construction preparation and construction conditions
1) The base course is firm, flat, dry and clean, and the construction quality of the base course is in line with the requirements of the system operating specifications except that the construction quality of the base course is in line with the current national standards of 'inspection and acceptance of construction decoration project quality' GB50210 and 'inspection and acceptance of construction project quality' GB 50300. When water exists on the wall surface, the wall surface can not be directly constructed, the environment temperature is not lower than 5 ℃, the wall surface can not be constructed in strong wind or rainy days with more than five levels, the door and window or the auxiliary frame are installed, various pipelines and embedded parts related to the outer wall are installed in place, and a space for a heat insulation plate is reserved.
2) The newly-built building base course should be leveled by adopting polymer cement mortar with the strength not lower than M7.5, the thickness should not be larger than 15mm, and the size deviation should meet the regulations.
3) When the existing building wall is subjected to energy-saving transformation, the original decorative surface layer of the outer wall is checked, and the construction of the outer wall external heat insulation project can be performed after the outer wall is checked and accepted.
4) When the base layer does not meet the requirements, the treatment method comprises the following steps:
(1) and (5) removing or repairing parts of the newly-built project where the verticality and the flatness of the base layer do not meet. When plastering repair is adopted and the total plastering thickness is more than or equal to 35mm, reinforcement measures are taken. Sundries such as concrete residues, lime soil and the like must be cleaned up, so that the infiltration of the bonding mortar and the base layer surface is fully ensured, and the bonding strength of the mortar is improved.
(2) When the existing building wall is subjected to energy-saving transformation, the part of the base layer which can not be firmly combined with the heat-insulating decorative composite board can not be guaranteed, and the base layer is cleaned, repaired and leveled. And after the base layer is checked and accepted, the next process construction can be carried out.
5) The material is qualified after being rechecked as required.
6) The field drawing experiment of the anchoring elements should be carried out on the base layer wall body, and the number of the anchoring elements per square meter is determined according to the design requirement. When the anchor drawing experiment does not meet the requirements of the specification, the strain is more designed or a strengthening treatment is carried out.
Construction process
1) The installation of the heat-preservation decorative composite board adopts a construction mode flow process from bottom to top, and the construction process flow is preferably carried out according to the following procedures:
2) base layer treatment
And treating the base layer according to the method in the construction preparation condition.
3) Measuring line
According to the design of the building facade (or wall surface), a door window horizontal line, a vertical control line, a separation suture line and the like are ejected on the base layer.
4) Hanging datum line
Vertical datum lines are hung on four large angles and other necessary positions of the building, and a horizontal line is hung at a proper position of each floor so as to control the verticality and the flatness of the heat-insulation decorative composite board.
5) Preparing adhesive mortar
The preparation is carried out according to the compounding ratio and the use instruction provided by manufacturers strictly, and special people are responsible for the preparation. The bonding mortar is stirred along with the application, the stirring time of the handheld electric stirrer is not less than 3min, then the handheld electric stirrer is kept stand for 5min, and the stirred bonding mortar is used up within 2 to 4 hours.
6) Adhesive thermal insulation composite board
(1) Before installation, typesetting according to the specification and design requirements of the heat-insulating composite board and the size of a construction site, numbering and marking. The heat-insulating composite board to be cut is arranged at the internal and external corner, and the width of the board is not less than 300 mm.
(2) The construction sequence is from bottom to top in the vertical direction, and the horizontal direction is from the external corner to the internal corner, from the large face to the small face and from the small face to the opening.
(3) The strip bonding method or the point frame method can be adopted for bonding, the bonding thickness is controlled to be 8-10 mm, the strip width in the strip bonding method is 10mm, the diameter in the point frame method is larger than or equal to phi 150, the bonding area of the bonding combined layer is not smaller than 90% of the area of the composite plate, the bonding area of the bonding combined layer of the adhesion expansion pipe is not smaller than 60% of the area of the composite plate, and bonding mortar is not required to be coated on the side face of the plate.
(4) When the composite board is pasted, the heat-insulation decorative composite board is gently and uniformly extruded, the adhesive mortar overflowing from the edge of the composite board is removed, and the verticality and the flatness are checked by using a 2m guiding rule and a wire supporting board in real time.
7) Installation dry hanging piece
(1) The dry hanging piece is installed by drilling with an electric drill, the anchoring depth of the dry hanging piece entering the base layer is more than or equal to 35mm, the anchoring depth of the dry hanging piece extending into the brick wall is more than or equal to 50mm, and the penetration of the air brick is about 220 mm. When drilling, the steel bars in the wall body are avoided, and the drilling depth is the anchoring depth plus 10 mm.
(2) The number of the dry hanging pieces should not be less than 5 per square meter
(3) The dry hanging piece is made of aluminum alloy, and the inner fastening wing of the fastener extends into the plate by 35 mm. The fastener should be forced against the panel.
(4) The expansion pipe fittings extend into the concrete wall body to be more than or equal to 35mm, extend into the brick wall body to be more than or equal to 50mm, the air brick penetrates through about 220mm, the material is nylon (recycled materials are forbidden to be used strictly), and the anchor bolts are galvanized.
8) Sealing, water-proof and exhaust treatment for plate seam
(1) And (4) cleaning the flashes, burrs and overflowed adhesive on two sides of the separation seam by using a special tool, and filling the separation seam according to design requirements.
(2) If the thermal insulation bar is made of foam plastics or polystyrene, the diameter or width of the thermal insulation bar is 1.3 times of the width of the seam, and the filling thickness is the same as the thickness of the thermal insulation bar.
(3) When the separation seams are sealed and subjected to waterproof treatment, the depth of the separation seams is about 50% of the width of the seams.
(4) The exhaust holes are preferably arranged at the separation seams, and are arranged in the middle of the plate seams or at the cross joints after the sealant is constructed for 24 hours. The exhaust hole is set with 1 per 15 square meters, the hole matched with the vent-cock is drilled, after the sealant is coated in the hole and around the vent-cock, the vent-cock is embedded in the hole, the exhaust hole is required to face downwards to prevent water from entering, the air hole is not blocked, the vent-cock must be firmly pasted without leakage when being installed, and a large vent-cock is installed near the top or a parapet.
9) Cleaning surface layer
(1) The protective film is torn off after the insulation board is adhered for 1 month, and the board surface is cleaned before the outer frame is detached.
(2) After all the processes are finished, the protective film of the board surface is torn off, and the masking paper is stuck when gluing. If the sealing glue is carelessly left on the board surface, the sealing glue is removed in time by dipping the special cleaning agent on the cloth and then removing the sealing glue once by using the clean water cloth. The tools with hardness exceeding the board surface are not strictly used for removing, and the decorative board surface is prevented from being damaged.
(3) The construction thickness of the sealant is controlled by combining the installation seam with the design drawing, the installation seam is full and cannot have gaps or bubbles, the mortar knife moves at a constant speed along the seam, and the sealant extruding force is uniform; the sealant is too thin, which is not beneficial to ensuring the sealing quality and preventing the leakage of rainwater, and is also not beneficial to the tensile stress generated by the thermal expansion and contraction of the thermal insulation decorative integrated plate; but not too thick, which is easily broken by pulling when the pointing agent is pulled, and the sealing and leakage prevention are failed.
10) Self-checking: if a problem is found, the relevant steps are repeated.
Example two
According to the drawings of 2 and 4 to 8, the embodiment of the invention is a composite heat-insulation integrated plate anchoring and supporting structure and the process method, the composite heat-insulation integrated plate anchoring and supporting structure comprises a dry hanging part (1) and a heat-insulation composite plate, and is characterized in that the dry hanging part is in an L-shaped plate shape and comprises a fixing plate (11) and a supporting plate (12), the heat-insulation composite plate is arranged on two sides of the supporting plate, an I-shaped fastener (13) is arranged at one end of the supporting plate, the supporting plate is connected with the fastener through a countersunk head bolt (5), a connecting plate (6) is formed by extending one side of an inner fastening wing of the fastener, the connecting plate is provided with a threaded hole (8), the supporting plate is provided with a bar-shaped fixing hole II (7), the countersunk head bolt penetrates through the fixing hole II to be connected with the threaded hole II, the outer, the heat-insulation composite board comprises a veneer (2) and a heat-insulation board (3) from outside to inside, buckle grooves (4) are formed in two ends of the veneer, the inner sides of outer buckle wings (131) of fasteners (13) are attached to the buckle groove faces, inner buckle wings (132) of the fasteners are embedded into the heat-insulation board, the outer side faces of the outer buckle wings are lower than the outer side faces of the veneer, and the hole circumference of each fixing hole II is gradually reduced from inside to outside.
The connecting plate is deviated from one side of the axle center of the I-shaped fastener, and the purpose is that when the dry hanging piece is combined, the axle center of the connecting and overlapping part of the connecting plate and the supporting plate is superposed with the axle center of the I-shaped fastener, so that the uniform stress is ensured, and the service life of a workpiece is prolonged.
The specific construction mode is the same as that of the first embodiment, and the different points are that the dry hanging piece is split, and the width of the dry hanging piece can be freely adjusted to adapt to composite insulation boards with different thicknesses.
The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any non-inventive changes that can be made by those skilled in the art and several modifications and amendments made without departing from the principle of the present invention shall fall within the protection scope of the present invention.
Claims (3)
1. The anchoring and supporting structure of the composite heat-insulation integrated board comprises a dry hanging piece (1) and a heat-insulation composite board, and is characterized in that the dry hanging piece is in an L-shaped plate shape and comprises a fixing plate (11) and supporting plates (12), the heat-insulation composite board is arranged on two sides of the supporting plates, an I-shaped fastener (13) is arranged at one end of each supporting plate, a strip-shaped fixing hole (14) is formed in the center of each fixing plate, the heat-insulation composite board comprises a veneer (2) and a heat-insulation board (3) from outside to inside, fastening grooves (4) are formed in two ends of each veneer, the inner sides of outer fastening wings (131) of the fasteners (13) are attached to the surfaces of the fastening grooves, inner fastening wings (132) of the fasteners are embedded into the heat-insulation board, and the outer; the supporting plate is connected with the fastener through a countersunk head bolt (5), one side of an inner fastening wing of the fastener extends to form a connecting plate (6), the connecting plate is provided with a threaded hole (8), the supporting plate is provided with a strip-shaped fixing hole II (7), the countersunk head bolt penetrates through the fixing hole II to be connected with the threaded hole, and the outer end of the threaded hole protrudes out of the connecting plate and is embedded in the heat insulation plate; the connecting plate is deviated from one side of the axle center of the H-shaped fastener (13), and the axle center of the connecting and overlapping part of the connecting plate and the supporting plate (12) is superposed with the axle center of the H-shaped fastener (13).
2. The anchoring and supporting structure of the composite heat-insulating integrated plate as claimed in claim 1, wherein the hole circumference of the second fixing hole is gradually reduced from inside to outside.
3. The process method of the anchoring and hanging structure of the composite heat-insulation integrated plate as claimed in any one of claims 1 to 2, characterized by comprising the following steps:
a. base layer treatment: firstly, chiseling or repairing a convex or concave part on a wall body base layer, wherein cement mortar is adopted for filling and coating during repairing, reinforcement measures of longitudinal bar planting and coating of an interface agent are required for the part with the depth of more than 35mm during repairing, and then polymer cement mortar with the strength of not less than M7.5 is adopted for leveling the base layer, and the thickness of not more than 15 mm;
b. and (3) measurement and paying-off: according to the design of a building vertical surface, popping a horizontal line, a vertical control line and a partition suture line of a door and window opening on a base layer;
c. hanging a reference line: hanging vertical datum lines at four large angles and other necessary positions of the building, and hanging a horizontal line at a proper position of each floor so as to control the verticality and the flatness of the heat-insulation composite board;
d. preparing bonding mortar: the bonding mortar is stirred along with application, the stirring time of the handheld electric stirrer is not less than 3min, then the handheld electric stirrer is kept stand for 5min, and the stirred bonding mortar is used up within 2 to 4 hours
e. Pasting the heat-insulation composite board: (1) before installation, typesetting according to the specification and design requirements of the heat-insulating composite board and the size of a construction site, arranging the heat-insulating composite board to be cut at the position of a male corner and a female corner, (2) coating the adhesive mortar prepared in the step on one surface of the heat-insulating composite board, not coating the adhesive mortar on the side surface of the heat-insulating board, then pasting the heat-insulating composite board on a base layer wall, softly and uniformly extruding the heat-insulating composite board when pasting, removing the overflowing adhesive mortar until the adhesive mortar overflows at the board edge, checking the verticality and the flatness by using a 2m guiding rule and a line supporting board, and (3) drilling an anchoring hole below the heat-insulating composite board, clamping an outer fastening wing of a fastener of a dry hanging piece on the surface of a slot, embedding an inner fastening wing in the heat-insulating board, simultaneously enabling a fixing plate of the dry hanging piece to be tightly pasted on the base layer wall and enabling the anchoring hole to be located at a, the dry hanging piece plays a role in supporting the insulation board, another composite insulation board is adhered below the insulation board, the adhering construction sequence is from top to bottom in the vertical direction, the external corner is firstly arranged at the external corner and then the internal corner is arranged at the horizontal direction, and the large surface, the small surface and the hole are arranged at the back of the external corner and then the internal corner;
f. sealing plate seams: and E, for the separation joint formed by the catching groove and the dry hanging piece between the two heat-insulation composite boards stuck in the step E, firstly cleaning the flashes and burrs on the two sides of the separation joint and the overflowed bonding mortar, then filling the separation joint with stone sealant, and filling the sealant into the gaps with the depth of 1-2mm for preventing the expansion and contraction of heat and the depth of the gaps being the board thickness in the female corners and the male corners, and then filling the separation joint.
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