WO2019223693A1 - 一种外墙保温结构及其施工方法 - Google Patents

一种外墙保温结构及其施工方法 Download PDF

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WO2019223693A1
WO2019223693A1 PCT/CN2019/087833 CN2019087833W WO2019223693A1 WO 2019223693 A1 WO2019223693 A1 WO 2019223693A1 CN 2019087833 W CN2019087833 W CN 2019087833W WO 2019223693 A1 WO2019223693 A1 WO 2019223693A1
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row
thermal insulation
grid cloth
insulation boards
base wall
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PCT/CN2019/087833
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English (en)
French (fr)
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周德元
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Zhou Deyuan
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    • 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
    • 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
    • E04B1/7629—Details of the mechanical connection of the insulation to the wall
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

Definitions

  • the invention relates to the technical field of external wall insulation, in particular to an external wall insulation structure and a construction method thereof.
  • the base wall and the insulation board are not firmly bonded. Since the construction of the insulation board is mostly performed by the "point adhesion" or "frame adhesion” method, then Anchor bolts are used to fix the insulation board on the wall surface. In this way, a local cavity will be formed between the insulation board and the base wall. Changes in temperature difference, gravity, rainfall pressure difference, and capillary action will cause the insulation board to crack and gradually open.
  • the second is that water will infiltrate the gap between the thermal insulation board and the base wall through capillary action from the external cracks, causing the thermal insulation board to be in a wet migration state, and eventually moldy, expanding and falling off.
  • the technical problem to be solved by the present invention is to provide an external wall thermal insulation structure that is more resistant to compression, cracks, and waterproof, and reduces the phenomenon of falling off of the thermal insulation board.
  • the invention provides an external wall thermal insulation structure, which includes a plurality of rows of thermal insulation boards pasted from the bottom to the base wall, and the outer surface of each row of thermal insulation boards is covered with a horizontal grid cloth.
  • the top of the horizontal grid cloth is higher than the top of the row of insulation boards, forming a turning portion, which turns inward from the top surface of the row of insulation boards and is stuck on the base wall above the top surface.
  • the bottom of the horizontal grid cloth on the upper row of heat insulation plates is provided with a downwardly extending overlap portion, and the overlap portion is overlapped on the outer surface of the lower row heat insulation plates.
  • the bottom of the horizontal grid cloth on the bottom row of insulation boards is provided with an underwrapping part, which covers the bottom surface of the bottom row of insulation boards and is pasted on the base wall inside the row of insulation boards.
  • the transverse mesh cloth is an alkali-resistant glass fiber mesh cloth.
  • the insulation board is a rock wool board.
  • a leveling layer is further provided on the outer surface of the base wall.
  • anchor bolts fixed on the base wall through the insulation board and the transverse grid cloth.
  • a longitudinal grid cloth is also pasted on the outer side of the horizontal grid cloth, and the longitudinal grid cloth simultaneously covers upper and lower rows of insulation boards.
  • the invention also provides a construction method of an external wall thermal insulation structure, which includes the following steps:
  • the horizontal grid cloth is wrapped up in the first row of insulation boards, so that the horizontal grid cloth is evenly pressed into the first surface coating glue, and then the top of the horizontal grid cloth is fully adhered to the top surface of the row of insulation boards.
  • a turning part is formed on the base wall;
  • the present invention is beneficial in that by providing a grid cloth turning portion that turns inward from the top surface of each row of insulation boards and is pasted on the base wall above the top surface, the grid cloth has high tensile strength
  • the characteristics of the thermal insulation structure of the external wall can evenly disperse the stress of the thermal insulation structure of the external wall, avoid the deformation and fall of the entire thermal insulation structure due to its own gravity and environmental external forces; at the same time, it can block the water infiltrating from the external cracks, thereby improving the external thermal insulation Waterproof ability effectively reduces water seepage.
  • FIG. 1 is a schematic structural diagram of an outer wall thermal insulation structure of the present invention
  • FIG. 2 is a schematic diagram of a base wall with an insulation board pasted on the outer surface
  • FIG. 3 is a schematic flowchart of a construction method of an external wall thermal insulation structure according to the present invention.
  • connection should be understood in a broad sense unless explicitly stated and limited otherwise.
  • they may be fixed connections or removable.
  • Connection, or integral connection it can be mechanical or electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements.
  • connection, or integral connection it can be mechanical or electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements.
  • the present invention provides an exterior wall thermal insulation structure, as shown in FIG. 2, which includes a base wall 1 and a thermal insulation layer composed of multiple rows of thermal insulation boards 3. Among them, a plurality of rows of heat insulation boards 3 are horizontally staggered from bottom to top and pasted on the base wall 1.
  • a screed layer is further provided on the outer surface of the base wall 1. The thickness of the screed layer can be determined according to the flatness of the base wall 1. When setting the screed layer, ensure that there are no shells or cracks on the surface. . Then use a trowel to smear the adhesive on the surface of the flat screed layer and the back of the insulation board 3 to form an adhesive layer 2 after full adhesion.
  • Using the full-adhesion method to paste the thermal insulation board 3 can avoid the occurrence of hollow drums due to the weak adhesion between the base wall 1 and the thermal insulation board 3. Further, a zigzag tool can also be used to scrape the outer surface of the base wall 1 and the back of the heat insulation plate 3 into a zigzag concave-convex shape, and then apply pressure evenly, so that the heat insulation plate 3 and the outer surface of the base wall 1 are densely filled. After the insulation board 3 is pasted, anchors such as anchor bolts 6 are used to fix the insulation board 3 to prevent the insulation board 3 from falling off from the base wall 1.
  • the insulation board 3 may be any kind of plate-like insulation material, and rock wool board is preferably used.
  • each row of insulation boards 3 is covered with a transverse grid cloth 4, and the top of the transverse grid cloth 4 on each row of heat insulation boards 3 is higher than the top of the row of heat insulation boards 3, and A turning portion 41 is formed by turning inward from the top surface of the row of heat insulation plates 3, and the turning portion 41 is pasted on the top surface of the heat insulation plate 3 and the base wall 1 above the top surface.
  • the lateral mesh cloth 4 is preferably an alkali-resistant glass fiber mesh cloth.
  • the setting of the turning portion 41 is to utilize the characteristics of the high tensile strength of the alkali-resistant glass fiber mesh cloth, to evenly and directly distribute the stress on the thermal insulation structure of the external wall to each thermal insulation board 3.
  • the horizontal grid cloth 4 on each row of insulation boards 3 forms a waterproof band, which effectively cuts off water that penetrates from the external cracks to the insulation board 3, improves the waterproof capacity of the external wall insulation structure, and eliminates rock damage. Hidden safety hazards caused by high water absorption of cotton boards.
  • the bottom of the transverse mesh cloth 4 on the heat insulation plate 3 in the upper row is further provided with a downwardly extending overlapping portion 42, and the overlap portion 42 is overlapped on the outer surface of the lower heat insulation plate 3 to further avoid
  • the thermal insulation panel 3 is eroded by water infiltrated by external cracks.
  • the bottom of the horizontal grid cloth 4 on the bottom row of insulation boards 3 is provided with an underwrapping portion 421 which overwraps the bottom surface of the bottom row of insulation boards 3 and is pasted to the base wall 1 inside the row of insulation boards 3 Therefore, the overall structure of the thermal insulation board 3 and the base wall 1 is improved, and the vertical load that the external wall thermal insulation structure can withstand is improved.
  • FIG. 1 there are a plurality of anchor bolts 6 in the thermal insulation structure of the external wall.
  • the anchor bolts 6 are fixed on the base wall 1 through the insulation board 3 and the transverse grid cloth 4.
  • On the outside of the horizontal grid cloth 4 is also pasted a vertical grid cloth 5 covering both the upper and lower rows of insulation boards 3 at the same time to form a plastering layer 7, which further improves the overall compression resistance, crack resistance and waterproof ability of the external wall insulation structure.
  • the outer surface of the base wall 1 is processed to check the flatness and verticality of the wall surface, and a leveling layer is provided on the outer surface of the base wall 1;
  • the lateral grid cloth 4 is wrapped up to the first row of heat insulation boards 3, so that the transverse grid cloth 4 is evenly pressed into the first coat of surface glue, and then the top of the transverse grid cloth 4 is fully adhered to the row of insulation boards 3, a turning portion 41 is formed on the base wall 1 above the top surface, and preferably the bonding height of the turning portion 41 and the base wall 1 is 100-150 mm;
  • one or two layers of the longitudinal grid cloth 5 can be pasted on the outside of the transverse grid cloth 4 as required, thereby improving and improving the overall compression resistance, crack resistance and waterproofness of the outer wall insulation structure. ability.
  • the present invention is beneficial in that: by providing a grid cloth turning portion 41 that turns inward from the top surface of each row of insulation boards 3 and is pasted on the base wall above the top surface, the grid cloth has high tensile strength.
  • Features can uniformly disperse the stress on the thermal insulation structure of the external wall, avoid deformation and fall of the entire thermal insulation structure due to its own gravity and environmental external forces; at the same time, it can block the water that penetrates from the external cracks to the thermal insulation board 3, thereby improving the external
  • the waterproof ability of the wall insulation structure effectively reduces the occurrence of water seepage.
  • the integrity of the entire exterior wall thermal insulation structure is convenient for construction.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Finishing Walls (AREA)

Abstract

一种外墙保温结构，包括由下向上地粘贴在基层墙体（1）上的多排保温板（3），每排保温板（3）的外表面上均覆盖有横向网格布（4），每排保温板（3）上的横向网格布（4）的顶部高于该排保温板（3）的顶部，形成转折部（6），转折部（6）从该排保温板（3）的顶面向内转折并粘贴在顶面上方的基层墙体（1）上。一种外墙保温结构的施工方法。该外墙保温结构通过设置转折部，避免了由于自身重力和环境外力的作用造成整个保温结构变形脱落；同时隔断了从外部裂隙渗透进来的水，提高了外墙保温结构的防水能力。

Description

一种外墙保温结构及其施工方法 技术领域
本发明涉及外墙保温技术领域，尤其涉及一种外墙保温结构及其施工方法。
背景技术
随着我国建筑行业的快速发展，如何实现高层及超高层外墙外保温已经成为当前工业与民用建筑节能的一项重要议题，目前应用最多的是在基层墙体上加贴保温板。但由于外墙外保温工程技术复杂，防火要求高，涉及面广，施工难度大，质量难以控制。实际应用中，保温板容易产生开裂、剥离和脱落等问题。
经分析，导致外墙保温板脱落的主要原因有以下几个：一是基层墙体与保温板粘接不牢固，由于保温板施工多采用采用“点粘”或“框粘”法施工，再用锚栓把保温板固定在墙面上，这样保温板与基层墙体间会形成局部空腔，温差变化、自身重力、降雨压差和毛细作用等均会造成保温板局部空鼓开裂，逐渐造成大面积的脱落现象；二是水会从外部裂隙通过毛细作用渗透到保温板与基层墙体之间的间隙，导致保温板处于潮湿迁移状态，最终产生霉变膨胀脱落。
发明内容
针对上述缺陷，本发明要解决的技术问题是提供一种更加抗压、抗裂和防水的外墙保温结构，减少保温板的脱落现象。
本发明提供了一种外墙保温结构，包括由下向上地粘贴在基层墙体上的多排保温板，每排保温板的外表面上均覆盖有横向网格布，每排保温板上的横向网格布的顶部高于该排保温板的顶部，形成转折部，所述转折部从该排保温板的顶面向内转折并粘贴在所述顶面上方的基层墙体上。
优选地，上排保温板上的横向网格布的底部设有向下延伸的搭接部，所述搭接部搭接在下排保温板的外表面上。
优选地，最下排保温板上的横向网格布的底部设有反包部，所述反包部反包最下排保温板的底面并粘贴在该排保温板内侧的基层墙体上。
优选地，所述横向网格布为耐碱玻璃纤维网格布。
优选地，所述保温板为岩棉板。
优选地，所述基层墙体的外表面还设有找平层。
优选地，还有多根锚栓穿过所述保温板和横向网格布固定在所述基层墙体上。
优选地，在所述横向网格布的外侧还粘贴有纵向网格布，所述纵向网格布同时覆盖上下多排保温板。
本发明还提供了一种外墙保温结构的施工方法，包括以下步骤：
S1、对基层墙体的外表面进行处理，检验墙面平整度和垂直度；
S2、将横向网格布的底部粘贴在基层墙体上，形成反包部，将第一排保温板满粘在所述反包部外侧的基层墙体的外表面上；
S3、在该排保温板的外表面满批第一道抹面胶浆；
S4、将横向网格布向上反包第一排保温板，使横向网格布均匀压入第一道抹面胶浆中，然后将横向网格布顶部满粘在该排保温板顶面上方的基层墙体上，形成转折部；
S5、将锚栓穿过横向网格布和该排保温板固定在基层墙体上；
S6、在所述转折部外侧的基层墙体上再粘贴一排保温板；并在该排保温板的外表面满批第一道抹面胶浆，将另一条横向网格布均匀压入第一道抹面胶浆中，横向网格布顶部满粘在该排保温板顶面上方的基层墙体上，再形成一个转折部，横向网格布的底部向下延伸搭接在下排保温板的外表面上，形成搭接部；
S7、重复上述S6，将多排保温板由下向上水平错缝地粘贴在基层墙体上；
S8、在横向网格布外侧满批第二道抹面胶浆，并粘贴纵向网格布，使纵向网格布同时覆盖上下多排保温板。
如上所述，本发明的有益之处在于，通过设置从每排保温板的顶面向内转折并粘贴在顶面上方的基层墙体上的网格布转折部，利用网格布抗拉强度高的特点，能使外墙保温结构所受的应力均匀分散，避免由于自身重力和环境外力的作用造成整个保温结构变形脱落；同时隔断了从外部裂隙渗透进来的水，从而提高外墙保温结构的防水能力，有效地减少了渗水脱落。
附图说明
图1是本发明外墙保温结构的结构示意图；
图2是外表面粘贴有保温板的基层墙体示意图；
图3是本发明外墙保温结构施工方法的流程示意图；
元件标号说明：
1    基层墙体
2    粘结层
3    保温板
4    横向网格布
41   转折部
42   搭接部
421  反包部
5    纵向网格布
6    锚栓
7    抹面层
8    饰面层
具体实施方式
下面结合附图对本发明的具体实施方式作进一步详细说明。这些实施方式仅用于说明本发明，而并非对本发明的限制。
在本发明的描述中，需要说明的是，术语“纵向”、“横向”、“上”、“下”、“竖直”、“水平”、“顶”、“底”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
此外，在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上。
本发明提供了一种外墙保温结构，如图2所示，包括基层墙体1和由多排保温板3组成 的保温层。其中，多排保温板3由下向上水平错缝地粘贴在基层墙体1上。在本发明的一个优选实施例中，基层墙体1的外表面还设有找平层，找平层的厚度可根据基层墙体1的平整度确定，设置找平层时应确保表面无起壳无开裂。接着用抹子在平整的找平层表面和保温板3背面满刮涂抹胶粘剂，满粘后形成粘结层2。使用满粘法粘贴保温板3可以避免基层墙体1和保温板3之间因粘结不牢固而产生空鼓。进一步地，还可以使用锯齿形工具将基层墙体1外表面和保温板3背面刮成锯齿形凹凸状，然后均匀施加压力，从而将保温板3与基层墙体1外表面粘贴密实饱满。粘贴好保温板3后应用锚固件，如锚栓6进行固定，防止保温板3从基层墙体1上脱落。保温板3可以是任何一种板块状保温材料，优选地采用岩棉板。
如图1所示，每排保温板3的外表面上均覆盖有横向网格布4，每排保温板3上的横向网格布4的顶部都高于该排保温板3的顶部，并从该排保温板3的顶面向内转折形成转折部41，转折部41粘贴在保温板3的顶面及顶面上方的基层墙体1上。横向网格布4优选地采用耐碱玻璃纤维网格布。设置转折部41是利用了耐碱玻璃纤维网格布抗拉强度高的特点，将外墙保温结构所受的应力均匀、直接地分散到每块保温板3上。此外，每排保温板3上的横向网格布4都形成了一个防水带，有效地隔断了从外部裂隙向保温板3渗透的水，提高了外墙保温结构的防水能力，消除了因岩棉板吸水率过高造成的安全隐患。
进一步地，位于上排的保温板3上的横向网格布4的底部还设有向下延伸的搭接部42，搭接部42搭接在下排保温板3的外表面上，进一步地避免保温板3受到由外部裂隙渗透进来的水的侵蚀。最下排保温板3上的横向网格布4的底部设有反包部421，反包部421反包最下排保温板3的底面并粘贴在该排保温板3内侧的基层墙体1上，从而完善了保温板3与基层墙体1的整体结构，提升了外墙保温结构所能承受的垂直荷载。
如图1所示，外墙保温结构中还有多根锚栓6，锚栓6穿过保温板3和横向网格布4固定在基层墙体1上。在横向网格布4的外侧还粘贴有同时覆盖上下多排保温板3的纵向网格布5，形成抹面层7，进一步提高了外墙保温结构整体的抗压、抗裂和防水能力。
如图3所示，以下给出一种外墙保温结构的施工方法：
S1、对基层墙体1的外表面进行处理，检验墙面平整度和垂直度，并在基层墙体1的外表面设置找平层；
S2、使用胶粘剂，将一条横向网格布4的底部粘贴在基层墙体1上，形成反包部421，将第一排保温板3满粘在反包部421外侧的基层墙体1的外表面上，优选地反包部421与基层墙体1的粘结高度为150mm；
S3、在该排保温板3的外表面满批第一道抹面胶浆；
S4、将横向网格布4向上反包第一排保温板3，使横向网格布4均匀压入第一道抹面胶浆中，然后将横向网格布4顶部满粘在该排保温板3顶面上方的基层墙体1上，形成转折部41，优选地转折部41与基层墙体1的粘结高度为100-150mm；
S5、将锚栓6穿过横向网格布4和该排保温板3固定在基层墙体1上；
S6、在所述转折部41外侧的基层墙体1上再粘贴一排保温板3；并在该排保温板3的外表面满批第一道抹面胶浆，将另一条横向网格布4均匀压入第一道抹面胶浆中，横向网格布4顶部满粘在该排保温板3顶面上方的基层墙体1上，再形成一个转折部41，横向网格布4的底部向下延伸搭接在下排保温板3的外表面上，形成搭接部42，优选地搭接部42与下排保温板3的搭接高度不小于100mm；
S7、重复上述S6，将多排保温板3由下向上水平错缝地粘贴在基层墙体1上；
S8、在横向网格布4外侧满批第二道抹面胶浆，并粘贴纵向网格布5，使纵向网格布5同时覆盖上下多排保温板3。
如图3所示，在施工过程中可以根据需要，在横向网格布4外侧粘贴一层或两层纵向网格布5，从而提高和改善外墙保温结构整体的抗压、抗裂和防水能力。
在所有横向网格布4的外侧粘贴好纵向网格布5后，在纵向网格布5的外侧满批柔性耐水腻子并找平，然后根据需要选择面砖或者涂料及幕墙作为饰面层8。
本发明的有益之处在于：通过设置从每排保温板3的顶面向内转折并粘贴在顶面上方的基层墙体上的网格布转折部41，利用了网格布抗拉强度高的特点，能使外墙保温结构所受的应力均匀分散，避免由于自身重力和环境外力的作用造成的整个保温结构的变形脱落；同时隔断了从外部裂隙向保温板3渗透的水，从而提高外墙保温结构的防水能力，有效地减少了渗水现象的发生。整个外墙保温结构整体性强，便于施工。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和替换，这些改进和替换也应视为本发明的保护范围。

Claims (9)

  1. 一种外墙保温结构，包括由下向上地粘贴在基层墙体(1)上的多排保温板(3)，每排保温板(3)的外表面上均覆盖有横向网格布(4)，其特征在于，每排保温板(3)上的横向网格布(4)的顶部高于该排保温板(3)的顶部，形成转折部(41)，所述转折部(41)从该排保温板(3)的顶面向内转折并粘贴在所述顶面上方的基层墙体(1)上。
  2. 根据权利要求1所述的外墙保温结构，其特征在于，上排保温板(3)上的横向网格布(4)的底部设有向下延伸的搭接部(42)，所述搭接部(42)搭接在下排保温板(3)的外表面上。
  3. 根据权利要求1所述的外墙保温结构，其特征在于，最下排保温板(3)上的横向网格布(4)的底部设有反包部(421)，所述反包部(421)反包最下排保温板(3)的底面并粘贴在该排保温板内侧的基层墙体(1)上。
  4. 根据权利要求1所述的外墙保温结构，其特征在于，所述横向网格布(4)为耐碱玻璃纤维网格布。
  5. 根据权利要求1所述的外墙保温结构，其特征在于，所述保温板(3)为岩棉板。
  6. 根据权利要求1所述的外墙保温结构，其特征在于，所述基层墙体(1)的外表面还设有找平层。
  7. 根据权利要求1所述的外墙保温结构，其特征在于，还有多根锚栓(6)穿过所述保温板(3)和横向网格布(4)固定在所述基层墙体(1)上。
  8. 根据权利要求1所述的外墙保温结构，其特征在于，在所述横向网格布(4)的外侧还粘贴有纵向网格布(5)，所述纵向网格布(5)同时覆盖上下多排保温板(3)。
  9. 一种外墙保温结构的施工方法，其特征在于，包括以下步骤：
    S1、对基层墙体(1)的外表面进行处理，检验墙面平整度和垂直度；
    S2、将横向网格布(4)的底部粘贴在基层墙体(1)上，形成反包部(421)，将第一排保温板(3)满粘在所述反包部(421)外侧的基层墙体(1)的外表面上；
    S3、在该排保温板(3)的外表面满批第一道抹面胶浆；
    S4、将横向网格布(4)向上反包第一排保温板(3)，使横向网格布(4)均匀压入第一道抹面胶浆中，然后将横向网格布(4)顶部满粘在该排保温板(3)顶面上方的基层墙体(1)上，形成转折部(41)；
    S5、将锚栓(6)穿过横向网格布(4)和该排保温板(3)固定在基层墙体(1)上；
    S6、在所述转折部(41)外侧的基层墙体(1)上再粘贴一排保温板(3)；并在该排保温 板(3)的外表面满批第一道抹面胶浆，将另一条横向网格布(4)均匀压入第一道抹面胶浆中，横向网格布(4)顶部满粘在该排保温板(3)顶面上方的基层墙体(1)上，再形成一个转折部(41)，横向网格布(4)的底部向下延伸搭接在下排保温板(3)的外表面上，形成搭接部(42)；
    S7、重复上述S6，将多排保温板(3)由下向上水平错缝地粘贴在基层墙体(1)上；
    S8、在横向网格布(4)外侧满批第二道抹面胶浆，并粘贴纵向网格布(5)，使纵向网格布(5)同时覆盖上下多排保温板(3)。
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