EVA (Ethylene Vinyl Acetate) waterproof coiled material

Abstract

The utility model discloses an EVA (Ethylene Vinyl Acetate) waterproof coiled material which comprises a first waterproof coiled material and a second waterproof coiled material, a second waterproof roll is arranged at the top end of the first waterproof roll, an auxiliary structure is arranged at the bottom end of the first waterproof roll, the first waterproof roll comprises a base layer, a first bonding layer, an anti-tear layer, a second bonding layer and a reinforcing layer, and the bottom end of the base layer is coated with the first bonding layer. According to the utility model, the positioning blocks and the positioning grooves are matched for use, so that the second waterproof coiled material can be positioned when the second waterproof coiled material is laid at the top end of the first waterproof coiled material, and the second waterproof coiled material can be more conveniently laid on the first waterproof coiled material in an aligned manner; and the friction force of the bottom of the first waterproof coiled material can be enhanced through the cooperative use of the first anti-slip strip and the second anti-slip strip, so that the friction force between the first waterproof coiled material and the ground is higher during laying, and the laying effect is not easily influenced by disordered movement.

Description

TECHNICAL FIELD

[0001] The utility model relates to waterproofing membrane technical field, especially EVA waterproofing membrane. BACKGROUND

[0002] EVA is the core material of EVA waterproofing membrane, it is a general high molecule polymer, and it is made of ethylene (C2H4) and vinyl acetate (C4H6O2) copolymerization. EVA material reduces high crystallinity, improves flexibility, impact resistance, filler compatibility and heat sealing because of introducing vinyl acetate monomer in molecular chain. However, the traditional EVA waterproofing membrane still has some problems when using.

[0003] When waterproofing the construction area, it is necessary to lay waterproofing membrane in advance, however, in the basement, swimming pool, water tank and other areas, the requirement for waterproof layer is higher due to long-term contact with water or in a humid environment, so a double layer needs to be laid, and then the traditional waterproofing membrane is not convenient to align the top layer of waterproofing membrane with the bottom layer of waterproofing membrane when laying a double layer, which leads to a large amount of time wasted in alignment, therefore, an EVA waterproofing membrane is needed to solve the above problems. SUMMARY

[0004] The utility model aims at providing an EVA waterproofing membrane to solve the defect that two waterproofing membranes are not convenient to align when laying a double layer in special places.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: an EVA waterproofing membrane, comprising a first waterproofing membrane and a second waterproofing membrane, the top end of the first waterproofing membrane is provided with the second waterproofing membrane, the bottom end of the first waterproofing membrane is provided with an auxiliary structure, the first waterproofing membrane comprises a base layer, a first adhesive layer, a tear-resistant layer, a second adhesive layer and a reinforcing layer, the bottom end of the base layer is coated with the first adhesive layer, the bottom end of the first adhesive layer is fixed with the tear-resistant layer, the bottom end of the tear-resistant layer is coated with the second adhesive layer, and the bottom end of the second adhesive layer is fixed with the reinforcing layer.

[0006] Preferably, the material of the tear-resistant layer is glass fiber cloth layer.

[0007] Preferably, the reinforcing layer is an asphalt waterproofing layer.

[0008] Preferably, the auxiliary structure comprises a first anti-skid strip, a second anti-skid strip, a positioning block and a positioning groove, the first anti-skid strip is fixed to the bottom end of the reinforcing layer, the first anti-skid strip is fixed with the second anti-skid strip on one side, the positioning groove is opened in the inside of the top end of the base layer, and the positioning block is fixed to the bottom end of the second waterproofing membrane.

[0009] Preferably, the positioning block is inserted into the interior of the positioning slot, and the positioning block and the positioning slot form an insertion structure.

[0010] Preferably, the positioning block is provided with a plurality of positioning blocks, and the plurality of positioning blocks are arranged at equal intervals at the bottom end of the second waterproof coiled material.

[0011] Preferably, the first anti-skid strip is provided with a plurality of first anti-skid strips, and the plurality of first anti-skid strips are arranged at intervals at the bottom end of the reinforcing layer.

[0012] The EVA waterproof coiled material has the advantages that:

[0013] The positioning block and the positioning slot are used in cooperation, so that the second waterproof coiled material can be positioned when the second waterproof coiled material is laid on the top end of the first waterproof coiled material, the second waterproof coiled material is more convenient to align and lay on the first waterproof coiled material, and the first anti-skid strip and the second anti-skid strip are used in cooperation to enhance the friction force of the bottom of the first waterproof coiled material, so that the friction force with the ground is higher when laying, and the laying effect is not easily affected.

[0014] The use of the reinforcing layer can enhance the waterproofness of the first waterproof coiled material as a whole, so that the waterproof effect is better, and the use of the tear-resistant layer can enhance the tensile strength of the reinforcing layer and the base layer, so that the reinforcing layer and the base layer are not easily torn when waterproofing. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view of the utility model;

[0016] Figure 2 It is a front view of the utility model;

[0017] Figure 3 It is a bottom view of the utility model;

[0018] Figure 4 It is a front view of the utility model; Figure 2 It is a front view of the utility model;

[0019] Figure 5 It is a front view of the utility model;

[0020] In the drawing: 1, first waterproof coiled material; 11, base layer; 12, first adhesive layer; 13, tear-resistant layer; 14, second adhesive layer; 15, reinforcing layer; 2, auxiliary structure; 21, first anti-skid strip; 22, second anti-skid strip; 23, positioning block; 24, positioning slot; 3, second waterproof coiled material. DETAILED DESCRIPTION

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] This utility model embodiment provides an EVA waterproof membrane, such as Figures 1-5 As shown, an EVA waterproof membrane includes a first waterproof membrane 1 and a second waterproof membrane 3; the top end of the first waterproof membrane 1 is provided with the second waterproof membrane 3, and the bottom end of the first waterproof membrane 1 is provided with an auxiliary structure 2.

[0023] In a further preferred embodiment of this utility model, such as Figures 1-5 As shown: The auxiliary structure 2 includes a first anti-slip strip 21, a second anti-slip strip 22, a positioning block 23, and a positioning groove 24. The first anti-slip strip 21 is fixed to the bottom end of the reinforcing layer 15. The second anti-slip strip 22 is fixed to one side of the first anti-slip strip 21. The positioning groove 24 is opened inside the top of the base layer 11. The positioning block 23 is fixed to the bottom end of the second waterproof membrane 3. The positioning block 23 is inserted into the interior of the positioning groove 24. The positioning block 23 and the positioning groove 24 form an insertion structure. Several positioning blocks 23 are provided. Several positioning blocks 23 are arranged at equal intervals at the bottom end of the second waterproof membrane 3. Several first anti-slip strips 21 are provided. Several first anti-slip strips 21 are arranged at intervals at the bottom end of the reinforcing layer 15.

[0024] Specifically, in this embodiment: when laying the first waterproof membrane 1 in double layers, the positioning block 23 and the positioning groove 24 work together to position the second waterproof membrane 3 when it is laid on top of the first waterproof membrane 1. This allows the positioning block 23 to be inserted into the positioning groove 24 during laying, aligning the second waterproof membrane 3 with the top of the first waterproof membrane 1, making the alignment easier. Furthermore, the cooperation of the first anti-slip strip 21 and the second anti-slip strip 22 enhances the friction of the bottom of the first waterproof membrane 1, increasing its friction with the ground during laying and preventing it from shifting and affecting the laying effect.

[0025] In a further preferred embodiment of this utility model, such as Figures 1-5As shown: the first waterproofing membrane 1 includes a base layer 11, a first adhesive layer 12, a tear-resistant layer 13, a second adhesive layer 14 and a reinforcing layer 15, the bottom end of the base layer 11 is coated with the first adhesive layer 12; the bottom end of the first adhesive layer 12 is fixed with the tear-resistant layer 13, the bottom end of the tear-resistant layer 13 is coated with the second adhesive layer 14, the bottom end of the second adhesive layer 14 is fixed with the reinforcing layer 15, the material of the tear-resistant layer 13 is a glass fiber cloth layer, and the reinforcing layer 15 is an asphalt waterproof layer.

[0026] Specifically, in the embodiment, by using the reinforcing layer 15, the waterproofness of the first waterproofing membrane 1 as a whole can be enhanced, so that the waterproofing effect is better, and by using the tear-resistant layer 13, the tensile strength of the reinforcing layer 15 and the base layer 11 can be enhanced, so that the reinforcing layer 15 is not easy to be torn in waterproofing, thereby achieving the effects of reinforcing waterproofing and resisting tearing.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An EVA waterproof coiled material, comprising a first waterproof coiled material (1) and a second waterproof coiled material (3); Characterized in that: The top end of the first waterproof coiled material (1) is provided with the second waterproof coiled material (3), and the bottom end of the first waterproof coiled material (1) is provided with an auxiliary structure (2); the first waterproof coiled material (1) comprises a base layer (11), a first adhesive layer (12), a tear-resistant layer (13), a second adhesive layer (14) and a reinforcing layer (15), and the bottom end of the base layer (11) is coated with the first adhesive layer (12); The bottom end of the first adhesive layer (12) is fixed with the tear-resistant layer (13), the bottom end of the tear-resistant layer (13) is coated with the second adhesive layer (14), and the bottom end of the second adhesive layer (14) is fixed with the reinforcing layer (15).

2. The EVA waterproofing membrane according to claim 1, characterized in that: The material of the tear-resistant layer (13) is a glass fiber cloth layer.

3. The EVA waterproofing membrane according to claim 2, characterized in that: The reinforcing layer (15) is an asphalt waterproof layer.

4. The EVA waterproofing membrane according to claim 1, wherein: The auxiliary structure (2) comprises a first anti-skid strip (21), a second anti-skid strip (22), a positioning block (23) and a positioning groove (24), the first anti-skid strip (21) is fixed to the bottom end of the reinforcing layer (15), one side of the first anti-skid strip (21) is fixed with the second anti-skid strip (22), the positioning groove (24) is arranged in the inside of the top end of the base layer (11), and the positioning block (23) is fixed to the bottom end of the second waterproof coiled material (3).

5. The EVA waterproofing membrane according to claim 4, characterized in that: The positioning block (23) is inserted into the inside of the positioning groove (24), and an insertion structure is formed between the positioning block (23) and the positioning groove (24).

6. The EVA waterproofing membrane according to claim 4, wherein: The positioning block (23) is provided with a plurality of positioning blocks (23), and the plurality of positioning blocks (23) are arranged at equal intervals at the bottom end of the second waterproof coiled material (3).

7. The EVA waterproofing membrane according to claim 4, wherein: The first anti-skid strip (21) is provided with a plurality of first anti-skid strips (21), and the plurality of first anti-skid strips (21) are arranged at intervals at the bottom end of the reinforcing layer (15).

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