CN110792191A - Construction method of foam concrete heat-insulation plate building exterior wall external heat-insulation system - Google Patents
Construction method of foam concrete heat-insulation plate building exterior wall external heat-insulation system Download PDFInfo
- Publication number
- CN110792191A CN110792191A CN201910884066.4A CN201910884066A CN110792191A CN 110792191 A CN110792191 A CN 110792191A CN 201910884066 A CN201910884066 A CN 201910884066A CN 110792191 A CN110792191 A CN 110792191A
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- wall
- insulation board
- heat
- mortar
- construction
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- 238000009413 insulation Methods 0.000 title claims abstract description 56
- 238000010276 construction Methods 0.000 title claims abstract description 37
- 239000011381 foam concrete Substances 0.000 title claims abstract description 16
- 239000004567 concrete Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 239000011449 brick Substances 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 34
- 239000004744 fabric Substances 0.000 claims description 9
- 238000004873 anchoring Methods 0.000 claims description 7
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000010422 painting Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- 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
- E04B1/762—Exterior insulation of exterior walls
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0296—Repairing or restoring facades
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a construction method of an external thermal insulation system of a foam concrete thermal insulation board building external wall, which comprises the following steps of firstly, construction preparation; step two, treating a base layer, namely cleaning a wall surface, and spraying water to wet a brick wall and an aerated concrete wall before treatment; and step three, snapping the datum lines, installing a base bracket, hanging vertical datum lines at each large angle of the outer wall, and hanging a horizontal line at a proper position of each floor to control the verticality and the levelness of the insulation board. The construction method of the foam concrete heat-insulation plate building outer wall outer heat-insulation system is good in adaptability, so that the outer wall outer heat-insulation system is good in durability.
Description
The technical field is as follows:
the invention relates to the field of buildings, in particular to a construction method of an external thermal insulation system of a foam concrete thermal insulation board building external wall.
Background art:
the construction method of the foam concrete heat-insulation plate building outer wall external heat-insulation system is a construction method of a novel external heat-insulation system by using an inorganic heat-insulation material, namely a foam concrete heat-insulation plate, as a main heat-insulation material. The foam concrete heat-insulation board building outer wall external heat-insulation system has good wall heat-insulation performance, can effectively solve the technical problems of air permeability and interface bonding which are difficult to solve in the field of outer wall external heat insulation, enables the heat-insulation system to have higher reliability and safety, but has complex existing construction method, is easy to weaken heat insulation performance due to improper construction, and causes poor system stability.
The invention content is as follows:
the invention aims to solve the technical problem of providing a construction method of an external thermal insulation system of a foam concrete thermal insulation board building, which is simple and easy to implement, and has good adaptability and good stability.
The technical proposal of the invention is to provide a construction method of an external thermal insulation system of a foam concrete thermal insulation board building external wall, which comprises the following steps,
firstly, construction preparation;
step two, treating a base layer, namely cleaning a wall surface, and spraying water to wet a brick wall and an aerated concrete wall before treatment;
step three, snapping reference lines, installing a base bracket, hanging vertical reference lines at each large angle of an outer wall, and hanging a horizontal line at a proper position of each floor to control the verticality and the levelness of the heat-insulation board;
step four, coating interface mortar;
step five, preparing bonding mortar;
step six, pasting the heat insulation board;
step seven, preparing plastering mortar;
step eight, smearing plastering mortar;
step nine, paving and pressing the grid cloth;
step ten, installing an anchoring piece;
step eleven, smearing the plastering mortar again;
and step twelve, finishing layer construction.
Preferably, in the sixth step, the construction of the heat insulation board starts from the first floor, a horizontal line is popped up at a position 300mm away from the plinth ground, 1:3 cement mortar is used, a waterproof layer with the same thickness as the heat insulation board is used as a bracket after being painted according to requirements, the heat insulation board is transversely paved along the horizontal direction from bottom to top after being dried and solidified, and the adhesion of the heat insulation board between the upper row and the lower row is 1/2 boards long in a staggered joint mode.
Compared with the prior art, the invention has the following advantages after adopting the scheme: the construction method is suitable for various civil and industrial building outer walls of new construction, extension and reconstruction, is also suitable for energy-saving reconstruction of the existing building outer walls and building energy-saving heat-insulating fireproof engineering with special thermal engineering requirements, and has the advantages of simple and easy operation, good adaptability and stable system service performance besides excellent heat-insulating performance.
The specific implementation mode is as follows:
the invention is further illustrated with respect to specific embodiments below:
example 1
A construction method of an external thermal insulation system of a foam concrete thermal insulation board building external wall comprises the following steps,
firstly, construction preparation, wherein a basic wall body meets the requirements of 'acceptance criteria for construction quality of concrete structure engineering' GB50204 and 'acceptance criteria for construction quality of masonry engineering' GB 50203 and corresponding acceptance criteria for quality of the basic wall body, and structural acceptance is confirmed with related departments before heat preservation construction. If the deviation of the base wall is too large, mortar is applied for leveling; finishing the installation of each large-angle control steel vertical line of the house; the balcony rails, the water drop pipe brackets, the outer fire ladders and the like on the outer wall surface are installed completely, and the influence of the thickness of the heat insulation system is considered; the scaffold holes, the wall through holes and the wall defect parts of the wall surface are finished by corresponding materials; removing the reinforcement heads and the protrusions of the concrete beam or the wall surface; the deformation joint of the main body structure is processed in advance;
step two, treating a base layer, namely cleaning a wall surface, and spraying water to wet a brick wall and an aerated concrete wall before treatment;
and step three, snapping reference lines, installing a base bracket, hanging vertical reference lines at large angles (external angles and internal angles) and other necessary positions of the outer wall, and hanging horizontal lines at proper positions of each floor to control the verticality and the levelness of the insulation board. Installing a base bracket according to the specification of a drawing;
coating interface mortar to enhance the binding force between the foam concrete plate and the adhesive mortar, wherein the interface mortar is uniformly coated on the wall surface before the foam concrete plate is adhered, and the adhesive mortar can be coated after the interface mortar is dried to carry out foam concrete plate adhesive construction;
preparing bonding mortar, wherein the bonding mortar and the plastering mortar are single-component materials, the water-cement ratio is prepared according to the specifications of material suppliers, the materials are uniformly stirred by a mortar stirrer, the dosage of one-time preparation is preferably used up within 4 hours, and the construction time in summer is preferably controlled within 2 hours;
step six, pasting the heat insulation board; the heat-insulating board is adhered to the base wall by a full adhesion method, and the following requirements are met: removing floating dust on the surface of the heat-insulating plate before paving; the construction of the heat insulation plate starts from the first layer, a horizontal line is popped up at a position 300mm away from a plinth ground, 1:3 cement mortar is used, a certain waterproof agent is added according to requirements, a waterproof layer with the same thickness as the heat insulation plate is painted to be used as a bracket, the heat insulation plate is transversely paved along the horizontal direction from bottom to top after being dried and solidified, and the sticking of the heat insulation plate between the upper row and the lower row is matched with the length of 1/2 plates; when in pasting, an iron trowel is used for scraping a layer of pasting mortar with the thickness not less than 3mm on each insulation board in batch, the pasting area is up to 90%, the mortar is pasted and extruded on the base layer in time, and the seam gap between the boards is not more than 1 mm; the heat insulation boards are arranged at the corners of the wall surface in size, and are cut to be vertically connected in a staggered manner, and the verticality of the corners is ensured; when pasting window frame external corner and outer wall corner all around, should pop out perpendicular datum line earlier, vertical foundation about as control external corner, the heated board of door and window entrance to a cave four corners position should adopt the monoblock heated board to cut out into L shape and spread and paste, must not splice. The distance between the seam and the periphery of the hole is more than or equal to 100 mm;
step seven, preparing plastering mortar;
step eight, smearing plastering mortar; after the large-area paving of the heat insulation board is finished, the construction of mortar plastering is carried out after 48 hours; before construction, a 2m guiding rule is used for checking the flatness, and after the protruding part is scraped and cleaned, mortar plastering construction can be carried out; when plastering mortar is constructed, slopes are made on the eave, the windowsill, the lintel, the awning, the balcony, the coping and the top surface of the protruding wall surface, and a water dripping groove or a water dripping line is made on the bottom surface;
step nine, paving and pressing the grid cloth; specifically, plastering mortar is powdered on the heat-insulation plate by using an iron trowel, the thickness is controlled to be 3-5 mm, the plastering mortar is firstly scraped by a large bar and then combed by a plastic trowel, and the pre-sheared mesh is pressed on the surface of the plastering mortar by using the iron trowel; the lapping width between the planes of the mesh cloth is not less than 100mm, the lapping width at the male and female corners is not less than 200mm, and the mesh cloth is laid to be smooth and without wrinkles; the first-layer wall surface is constructed by adopting a three-plastering method, after the first-layer plastering mortar construction, screen cloth is pressed in, after the first-layer wall surface is slightly dry and hard, reinforced screen cloth (the reinforced screen cloth can be butted and is not suitable for lap joint) is pressed in after the second-layer plastering construction, and the screen cloth is completely covered by the third-layer plastering;
step ten, installing an anchoring piece; the anchoring piece construction should be carried out when the first plastering mortar (pressed mesh) is initially set. Punching at the corner joint of the heat preservation plate by using an electric drill, inserting the anchoring piece into the hole and screwing the plane of the plastic disc into plastering mortar, wherein the effective anchoring depth is as follows: concrete walls are not less than 25mm, lightweight walls such as aerated concrete are not less than 50mm, and hollow building blocks (bodies) are required to adopt back-screwing knotting type anchoring parts;
step eleven, smearing the plastering mortar again;
and step twelve, finishing layer construction.
The foregoing is illustrative of the preferred embodiments of the present invention only and is not to be construed as limiting the claims. All the equivalent structures or equivalent process changes made by the description of the invention are included in the scope of the patent protection of the invention.
Claims (2)
1. A construction method of an external thermal insulation system of a foam concrete thermal insulation board building external wall is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
firstly, construction preparation;
step two, treating a base layer, namely cleaning a wall surface, and spraying water to wet a brick wall and an aerated concrete wall before treatment;
step three, snapping reference lines, installing a base bracket, hanging vertical reference lines at each large angle of an outer wall, and hanging a horizontal line at a proper position of each floor to control the verticality and the levelness of the heat-insulation board;
step four, coating interface mortar;
step five, preparing bonding mortar;
step six, pasting the heat insulation board;
step seven, preparing plastering mortar;
step eight, smearing plastering mortar;
step nine, paving and pressing the grid cloth;
step ten, installing an anchoring piece;
step eleven, smearing the plastering mortar again;
and step twelve, finishing layer construction.
2. The construction method of the exterior wall external thermal insulation system of the foam concrete thermal insulation board building according to claim 1, characterized in that: and sixthly, popping up a horizontal line at a position 300mm away from the plinth ground from the first layer in the construction of the heat insulation board, adding a waterproof agent by using 1:3 cement mortar according to the requirement, painting the waterproof layer with the same thickness as the heat insulation board to form a bracket, transversely paving the heat insulation board along the horizontal direction from bottom to top after the heat insulation board is dried and solidified, and paving the heat insulation board between the upper row and the lower row to have a staggered joint of 1/2 board lengths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910884066.4A CN110792191A (en) | 2019-09-19 | 2019-09-19 | Construction method of foam concrete heat-insulation plate building exterior wall external heat-insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910884066.4A CN110792191A (en) | 2019-09-19 | 2019-09-19 | Construction method of foam concrete heat-insulation plate building exterior wall external heat-insulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110792191A true CN110792191A (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910884066.4A Pending CN110792191A (en) | 2019-09-19 | 2019-09-19 | Construction method of foam concrete heat-insulation plate building exterior wall external heat-insulation system |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608280A (en) * | 2020-05-25 | 2020-09-01 | 上海橡树装饰工程有限公司 | External wall heat insulation construction method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1417435A (en) * | 2002-11-29 | 2003-05-14 | 北京振利高新技术公司 | Wall with heat insulating facing polyurethane tile and its construction process |
| DE102004019782A1 (en) * | 2004-04-23 | 2005-11-17 | Veit Dennert Kg Baustoffbetriebe | Heat insulation plate e.g. for external facades, in particular mineral foam concrete plates, has plate shaped base made from heat insulation material with wind-lateral back surface and external lateral front surface |
| CN101319522A (en) * | 2008-06-06 | 2008-12-10 | 董海光 | Exterior wall heat preservation decorative lamination integration system and its production and mounting method |
| CN201635199U (en) * | 2010-02-11 | 2010-11-17 | 叶香竹 | Heat-preserving structure outside wall body |
| CN201874100U (en) * | 2009-12-31 | 2011-06-22 | 南京春迈建筑科技有限公司 | Thin plastering external insulation system of exterior wall using foam concrete insulation plate |
| WO2013152048A1 (en) * | 2012-04-03 | 2013-10-10 | James Hardie Technology Limited | Integrated fiber cement and foam as insulated cladding with enhancements |
| CN104695714A (en) * | 2013-12-06 | 2015-06-10 | 金海龙 | Construction technology of fireproof A<1>-stage inorganic internal and external wall insulation board |
-
2019
- 2019-09-19 CN CN201910884066.4A patent/CN110792191A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1417435A (en) * | 2002-11-29 | 2003-05-14 | 北京振利高新技术公司 | Wall with heat insulating facing polyurethane tile and its construction process |
| DE102004019782A1 (en) * | 2004-04-23 | 2005-11-17 | Veit Dennert Kg Baustoffbetriebe | Heat insulation plate e.g. for external facades, in particular mineral foam concrete plates, has plate shaped base made from heat insulation material with wind-lateral back surface and external lateral front surface |
| CN101319522A (en) * | 2008-06-06 | 2008-12-10 | 董海光 | Exterior wall heat preservation decorative lamination integration system and its production and mounting method |
| CN201874100U (en) * | 2009-12-31 | 2011-06-22 | 南京春迈建筑科技有限公司 | Thin plastering external insulation system of exterior wall using foam concrete insulation plate |
| CN201635199U (en) * | 2010-02-11 | 2010-11-17 | 叶香竹 | Heat-preserving structure outside wall body |
| WO2013152048A1 (en) * | 2012-04-03 | 2013-10-10 | James Hardie Technology Limited | Integrated fiber cement and foam as insulated cladding with enhancements |
| CN104695714A (en) * | 2013-12-06 | 2015-06-10 | 金海龙 | Construction technology of fireproof A<1>-stage inorganic internal and external wall insulation board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608280A (en) * | 2020-05-25 | 2020-09-01 | 上海橡树装饰工程有限公司 | External wall heat insulation construction method |
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Application publication date: 20200214 |
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