Waterproof heat preservation type outer wall composite foaming cement board

By introducing a waterproof layer and reinforcement components into the foamed cement board exterior wall composite system, the waterproofing problem is solved, the thermal insulation performance and structural stability are improved, the service life is extended, and the safety and comfort of the building are enhanced.

CN223562346UActive Publication Date: 2025-11-18BEIJING MAIYIGE CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202423093851.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-18
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing foamed cement board exterior wall insulation systems lack an effective waterproof layer, making them prone to moisture absorption and soaking after prolonged use. This affects insulation performance, causes material aging, cracking, and peeling, and reduces the structural safety and service life of buildings.

Method used

A waterproof layer is introduced into the foamed cement board exterior wall composite system, and it is connected to the base wall through reinforcements such as internally threaded metal pipes and threaded rods. Combined with fireproof isolation layer, sound insulation layer and decorative layer, a stable structure is formed to ensure waterproof performance and overall stability.

Benefits of technology

It significantly improves waterproofing performance, enhances thermal insulation and soundproofing, improves the tensile and compressive strength of the structure, extends service life, and ensures the safety of the building and the comfort of living.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223562346U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of foaming cement boards, in particular to a waterproof heat preservation type outer wall composite foaming cement board which comprises a foaming cement board body and a foundation wall body, the foaming cement board body is bonded on the foundation wall body through an inner bonding mortar layer, and a fireproof isolation layer is arranged on the outer side of the foaming cement board body. The fireproof isolation layer and the foaming cement board are connected with the foundation wall in a reinforcing mode through reinforcing pieces, a sound insulation layer is arranged on the outer side of the fireproof isolation layer, a decoration layer is arranged on the outer side of the sound insulation layer, and a waterproof layer is arranged on the outer side of the decoration layer. According to the waterproof heat preservation type outer wall composite foaming cement board, the waterproof layer is introduced, an effective waterproof barrier is formed on the outer surface of the decoration layer, external moisture permeation is prevented, and dryness of internal materials is ensured, so that the overall waterproof performance is remarkably improved, and the internal structure is protected against damage of moisture.
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Description

TECHNICAL FIELD

[0001] The utility model relates to foamed cement board technical field, concretely is waterproof heat preservation type outer wall composite foamed cement board. BACKGROUND

[0002] Foamed cement board is a new type of building material, which uses cement as the base material, adds foaming agent and other additives to form a lightweight board with micro-porous structure. This material not only has good strength and durability, but also has excellent thermal insulation performance and sound insulation effect, and is widely used in the inner and outer walls, roofs and floors of buildings. Its unique foaming structure not only maintains sufficient strength, but also significantly reduces the self-weight, facilitating construction and transportation.

[0003] The patent with publication number CN218176191U discloses a foamed cement board outer wall insulation system, which includes a composite foamed cement board. One side of the composite foamed cement board is connected with an interface mortar layer, and the interface mortar layer is connected with a base layer. The other side of the composite foamed cement board is connected with a finishing mortar layer, and the finishing mortar layer is connected with a thermal insulation layer through an adhesive layer. The thermal insulation system of the foamed cement board outer wall can be widely used in building inner and outer wall insulation, fireproof isolation belt, roof insulation material, industrial / military / civil insulation and sound insulation, transportation / industrial environment noise treatment and other fields, and can achieve good thermal insulation performance, which is a great improvement over the traditional foamed cement board outer wall insulation system.

[0004] Although the above-mentioned foamed cement board outer wall insulation system has good thermal insulation performance, it has significant shortcomings in actual application, especially the lack of effective waterproof layer in its structural design, which leads to moisture absorption and wetting inside the foamed cement board of the outer wall after long-term use, thereby causing the problem of reduced thermal insulation performance. Moisture penetration not only reduces the thermal insulation effect of the foamed cement board, but also may cause aging, cracking and peeling of the material, thereby affecting the structural safety and service life of the building. Therefore, we propose a waterproof thermal insulation type outer wall composite foamed cement board. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a waterproof thermal insulation type outer wall composite foamed cement board to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The waterproof and heat-insulating type composite foamed cement board for outer wall comprises a foamed cement board and a base wall, the base wall serves as the load-bearing base of the entire outer wall system, the foamed cement board serves as the core material of the composite heat-insulating system, the foamed cement board has good strength, durability and light weight characteristics, not only realizes excellent heat-insulating performance and sound-insulating effect, but also reduces the self-weight of the building, thereby reducing the construction and transportation difficulty, the micro-porous structure of the foamed cement board can significantly reduce heat conduction while maintaining sufficient strength, thereby improving the living comfort, the foamed cement board is bonded to the base wall through an inner bonding mortar layer, the inner bonding mortar layer firmly fixes the foamed cement board on the base wall through bonding, thereby ensuring the stability and safety of the overall structure.

[0008] The outer side of the foamed cement board is provided with a fireproof isolation layer, the fireproof isolation layer provides fire protection, delays the spread of fire and enhances the fire safety of the building, the fireproof isolation layer and the foamed cement board are connected to the base wall through a reinforcing member, the reinforcing member provides additional structural reinforcement, ensures that the connection between the fireproof isolation layer and the foamed cement board and the base wall is more stable, and enhances the tensile and compressive capacity of the entire system, especially increases the stability of the structure in the stress direction.

[0009] The outer side of the fireproof isolation layer is provided with a sound insulation layer, the sound insulation layer effectively reduces noise transmission and improves the quiet and comfortable degree of the living environment, the fireproof isolation layer and the sound insulation layer are bonded through mortar, the outer side of the sound insulation layer is provided with a decorative layer, the decorative layer not only provides the aesthetic effect of the building appearance, but also protects the inner layer material from environmental influences and enhances the weather resistance of the overall structure, the sound insulation layer and the decorative layer are bonded through mortar, the outer side of the decorative layer is provided with a waterproof layer, the waterproof layer forms an effective waterproof barrier on the outer surface of the decorative layer, prevents external moisture from penetrating and ensures the dryness of the internal materials.

[0010] Preferably, the reinforcing member comprises an internally threaded metal pipe, which provides structural support for connecting and fixing a threaded rod, ensures the stability of the overall structure and avoids loosening caused by external factors, the internally threaded metal pipe is internally threaded connected with a threaded rod, the threaded rod provides directional fastening force through the connection with the internally threaded metal pipe, ensures the stable connection of the fireproof isolation layer and the foamed cement board, thereby enhancing the structural safety and service life of the whole.

[0011] Preferably, the outer wall of the base wall is provided with a pre-slotted groove, the internally threaded metal pipe is fixedly connected in the pre-slotted groove, the pre-slotted groove provides a reserved space for the installation of the internally threaded metal pipe, ensures that the reinforcing member can be smoothly installed and fixed in the base wall, and the length of the internally threaded metal pipe is greater than the length of the pre-slotted groove, the internally threaded metal pipe is installed and then the inner bonding mortar layer is coated on the outer side of the base wall.

[0012] Preferably, the threaded rod is made of glass fiber reinforced plastic, has a heat insulation effect, avoids heat conduction, the foamed cement plate is provided with a connecting hole a for the threaded rod to pass through, the outer end of the internally threaded metal pipe is located in the connecting hole a, and the internally threaded metal pipe is arranged in the half of the connecting hole a, so that the foamed cement plate can be directly supported.

[0013] Preferably, the fireproof isolation layer is made of rock wool board and has excellent fireproof performance, the thickness of the fireproof isolation layer is 25-35 mm, the fireproof isolation layer is provided with a connecting hole b for the threaded rod to pass through, the side surface of the pressing knob abuts against the side surface of the fireproof isolation layer, the threaded rod passes through the connecting hole b and enters the connecting hole a, and then is screwed with the internally threaded metal pipe, and the fireproof isolation layer is pressed and fixed through the pressing knob.

[0014] Preferably, the sound insulation layer is made of mineral wool material and is specially designed to absorb and reduce the propagation of sound waves, is ideal for noisy environments, enhances the living experience, and has a thickness of 20-30 mm.

[0015] Preferably, the decorative layer is a decorative plate, various decorative plates can be selected, has both aesthetic and practical properties, and meets the needs of different architectural styles, and the waterproof layer is formed by coating waterproof paint on the outer surface of the decorative layer, high-performance waterproof paint is used to ensure good waterproof performance under various weather conditions and prolong the service life of the material.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The waterproof and heat-preservation type composite foamed cement plate for external wall introduces a waterproof layer, forms an effective waterproof barrier on the outer surface of the decorative layer, prevents external moisture from penetrating, ensures that the internal material is dry, and significantly improves the overall waterproof performance, thereby protecting the internal structure from being damaged by dampness.

[0018] 2. The waterproof and heat-preservation type composite foamed cement plate for external wall has excellent heat-preservation performance and light weight, the newly added sound insulation layer effectively reduces noise transmission and improves the comfort of the living environment, and in combination with the fireproof isolation layer and the decorative layer, the entire composite system not only improves the heat-preservation performance but also enhances the sound insulation effect, and is especially suitable for use in noisy environments to provide a more quiet living space.

[0019] 3. The waterproof and heat-preservation type composite foamed cement plate for external wall adds reinforcing members in the composite foamed cement plate, enhances the stability of the connection and the tensile and compressive capacity of the overall structure, effectively prevents loosening caused by external factors, improves the safety and reliability of the entire system, reduces the risk of material aging, cracking and peeling, and prolongs the service life. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic view of the utility model;

[0021] Figure 2 It is the partial structure schematic view of the utility model;

[0022] Figure 3 It is the partial assembly structure schematic view of the utility model;

[0023] Figure 4 It is the assembly structure schematic view of the base wall and the internally threaded metal pipe in the utility model;

[0024] In the drawing: 1, foamed cement plate; 10, connecting hole a; 2, inner layer adhesive mortar layer; 3, base wall; 30, pre-slot; 4, fireproof isolation layer; 40, connecting hole b; 5, sound insulation layer; 6, decorative layer; 7, waterproof layer; 8, reinforcing member; 80, internally threaded metal pipe; 81, threaded rod; 82, compression knob. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0028] The waterproof and heat-insulating type outer wall composite foamed cement board comprises a foamed cement board 1 and a base wall 3, the base wall 3 serves as the load-bearing base of the entire outer wall system, the foamed cement board 1 serves as the core material of the composite heat-insulating system, the foamed cement board 1 has good strength, durability and light weight characteristics, not only realizes excellent heat-insulating performance and sound insulation effect, but also reduces the self-weight of the building, thereby reducing the construction and transportation difficulty, the microporous structure of the foamed cement board 1 can significantly reduce heat conduction while maintaining sufficient strength, thereby improving the living comfort, the foamed cement board 1 is bonded to the base wall 3 through an inner bonding mortar layer 2, the inner bonding mortar layer 2 firmly fixes the foamed cement board 1 on the base wall 3 through bonding, thereby ensuring the stability and safety of the overall structure.

[0029] The outer side of the foamed cement board 1 is provided with a fireproof isolation layer 4, the fireproof isolation layer 4 provides fire protection, delays the spread of fire and enhances the fire safety of the building, the fireproof isolation layer 4 and the foamed cement board 1 are connected and fixed to the base wall 3 through reinforcing members 8, the reinforcing members 8 provide additional structural reinforcement, ensure that the connection between the fireproof isolation layer 4 and the foamed cement board 1 and the base wall 3 is more stable, and enhance the tensile and compressive capacity of the entire system, especially increase the stability of the structure in the stress direction.

[0030] The outer side of the fireproof isolation layer 4 is provided with a sound insulation layer 5, the sound insulation layer 5 effectively reduces noise transmission and improves the quiet and comfortable degree of the living environment, the fireproof isolation layer 4 and the sound insulation layer 5 are bonded through mortar, the outer side of the sound insulation layer 5 is provided with a decorative layer 6, the decorative layer 6 not only provides the aesthetic effect of the building appearance, but also protects the inner layer material from environmental influences and enhances the weather resistance of the overall structure, the sound insulation layer 5 and the decorative layer 6 are bonded through mortar, the outer side of the decorative layer 6 is provided with a waterproof layer 7, the waterproof layer 7 forms an effective waterproof barrier on the outer surface of the decorative layer 6, prevents external moisture from penetrating and ensures the dryness of the internal materials.

[0031] In the embodiment, the reinforcing member 8 comprises an internally threaded metal pipe 80, which provides structural support for connecting and fixing a threaded rod 81 and ensures the stability of the overall structure, avoids loosening caused by external factors, the internally threaded metal pipe 80 is internally threaded connected with the threaded rod 81, the threaded rod 81 provides directional fastening force through the connection with the internally threaded metal pipe 80, ensures the stable connection of the fireproof isolation layer 4 and the foamed cement board 1, thereby enhancing the structural safety and service life of the whole, the end of the threaded rod 81 is provided with a pressing knob 82, through adjusting the knob, the fastening of the connection can be conveniently realized.

[0032] Specifically, the outer wall of the foundation wall 3 is provided with a pre-groove 30, and an internally threaded metal pipe 80 is fixedly connected in the pre-groove 30. The pre-groove 30 provides a reserved space for the installation of the internally threaded metal pipe 80, ensuring that the reinforcing member 8 can be smoothly installed and fixed in the foundation wall 3. The length of the internally threaded metal pipe 80 is greater than the length of the pre-groove 30. After the internally threaded metal pipe 80 is installed, an inner layer of bonding mortar layer 2 is coated on the outer side of the foundation wall 3.

[0033] Further, the threaded rod 81 is made of glass fiber reinforced plastic, which has the function of heat insulation and avoids heat conduction. The foamed cement board 1 is provided with a connecting hole a10 for the threaded rod 81 to pass through. The outer end of the internally threaded metal pipe 80 is located in the connecting hole a10. The internally threaded metal pipe 80 is placed in the first half of the connecting hole a10, which can directly support the foamed cement board 1 to a certain extent.

[0034] Further, the fireproof isolation layer 4 is made of rock wool board, which has excellent fireproof performance. The thickness of the fireproof isolation layer 4 is 25-35mm. The fireproof isolation layer 4 is provided with a connecting hole b40 for the threaded rod 81 to pass through. The side surface of the compression knob 82 abuts against the side surface of the fireproof isolation layer 4. The threaded rod 81 passes through the connecting hole b40 and enters the connecting hole a10, and then is screwed with the internally threaded metal pipe 80, and the fireproof isolation layer 4 is compressed and fixed by the compression knob 82.

[0035] Further, the sound insulation layer 5 is made of mineral wool material, which is specially designed to absorb and reduce the propagation of sound waves, and is ideal for noisy environments to enhance the living experience. The thickness of the sound insulation layer 5 is 20-30mm.

[0036] Further, the decorative layer 6 is a decorative board, which can be selected from various types of decorative boards, and has both aesthetic and practicality, meeting the needs of different architectural styles. The waterproof layer 7 is formed by coating waterproof paint on the outer surface of the decorative layer 6. High-performance waterproof paint is used to ensure good waterproof performance under various weather conditions and prolong the service life of the material.

[0037] The waterproof and heat-insulating type outer wall composite foamed cement board of the embodiment is used, before construction, the structure of the base wall 3 is ensured to be stable and dry, and the surface thereof is cleaned to remove dust and sundries, so as to ensure the firmness of subsequent bonding, the inner threaded metal pipe 80 is bonded in the pre-slotted groove 30, the inner bonding mortar layer 2 is uniformly applied on the surface of the base wall 3, then the prepared foamed cement board 1 is bonded on the base wall 3, the flatness and adhesion of the foamed cement board 1 are ensured, the outer end of the inner threaded metal pipe 80 is inserted into the connecting hole a10, and the foamed cement board 1 is pressed to enhance the bonding effect, the fireproof isolation layer 4 is installed on the outer side of the foamed cement board 1, the threaded rod 81 is threaded through the connecting hole b40 and is screwed with the inner threaded metal pipe 80, until the compression knob 82 compresses the fireproof isolation layer 4, so as to ensure that the fireproof isolation layer 4 and the foamed cement board 1 are firmly connected with the base wall 3, the sound insulation layer 5 is installed on the outer side of the fireproof isolation layer 4, the sound insulation layer 5 is firmly connected with the fireproof isolation layer 4 through the mortar, so as to enhance the overall sound insulation performance, the decorative layer 6 is installed on the outer side of the sound insulation layer 5, the decorative layer 6 is bonded with the sound insulation layer 5 through the mortar, so as to ensure the aesthetic property and weather resistance of the decorative layer 6, the waterproof layer 7 is coated on the outer surface of the decorative layer 6, high-performance waterproof paint is used to form an effective waterproof barrier, so as to ensure that moisture cannot penetrate.

[0038] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A waterproof and heat-insulating composite foamed cement board for external wall, comprising a foamed cement board (1) and a base wall (3), characterized in that: The foamed cement plate (1) is bonded to the base wall (3) through the inner layer bonding mortar layer (2), the outer side of the foamed cement plate (1) is provided with a fireproof isolation layer (4), the fireproof isolation layer (4) and the foamed cement plate (1) are reinforced and connected with the base wall (3) through the reinforcing part (8), the outer side of the fireproof isolation layer (4) is provided with a sound insulation layer (5), the outer side of the sound insulation layer (5) is provided with a decorative layer (6), and the outer side of the decorative layer (6) is provided with a waterproof layer (7).

2. The waterproof thermal insulation type exterior wall composite foamed cement board according to claim 1, characterized in that: The reinforcing part (8) comprises an internally threaded metal pipe (80), the internally threaded metal pipe (80) is internally threadedly connected with a threaded rod (81), and the end of the threaded rod (81) is provided with a pressing knob (82).

3. The waterproof thermal insulation type exterior wall composite foamed cement board according to claim 2, characterized in that: The outer wall of the base wall (3) is provided with a pre-groove (30), the internally threaded metal pipe (80) is fixedly connected in the pre-groove (30), and the length of the internally threaded metal pipe (80) is greater than that of the pre-groove (30).

4. The waterproof thermal type exterior wall composite foamed cement board according to claim 2, characterized in that: The threaded rod (81) is made of glass fiber reinforced plastic, the foamed cement plate (1) is provided with a connecting hole a (10) for the threaded rod (81) to pass through, and the outer end of the internally threaded metal pipe (80) is located in the connecting hole a (10).

5. The waterproof thermal type exterior wall composite foamed cement board according to claim 2, characterized in that: The fireproof isolation layer (4) is made of rock wool board, the thickness of the fireproof isolation layer (4) is 25-35 mm, the fireproof isolation layer (4) is provided with a connecting hole b (40) for the threaded rod (81) to pass through, and the side surface of the pressing knob (82) abuts against the side surface of the fireproof isolation layer (4).

6. The waterproof thermal type exterior wall composite foamed cement board according to claim 1, characterized in that: The sound insulation layer (5) is made of mineral wool material, and the thickness of the sound insulation layer (5) is 20-30 mm.

7. The waterproof thermal type exterior wall composite foamed cement board according to claim 1, characterized in that: The decorative layer (6) is a decorative plate, and the waterproof layer (7) is formed by coating waterproof paint on the outer surface of the decorative layer (6).

Citation Information

Patent Citations

  • Foaming cement board external wall thermal insulation system

    CN218176191U