Wall waterproof structure

By forming a cavity waterproof layer between the wall base and the precast cement slab components and injecting a highly fluid waterproof material, combined with mechanical connection, the problem of insufficient adhesion between the waterproof layer and adjacent layers is solved, thus achieving long-term reliability of the waterproof layer and stability of the decorative structure.

CN224395802UActive Publication Date: 2026-06-23FOSHAN XINYI CONSTR GROUP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FOSHAN XINYI CONSTR GROUP
Filing Date
2025-06-26
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

In buildings with waterproofing requirements, insufficient adhesion between the waterproofing layer and the adjacent structural layer can lead to common quality problems such as hollowing or detachment of the block veneer layer during long-term use.

Method used

By forming a cavity waterproof layer between the wall base and the precast cement slab components, and injecting a highly fluid and penetrating waterproof material using injection and vent fittings, combined with mechanical connection methods, the adhesion and waterproof performance between each structural layer are ensured.

Benefits of technology

This ensures stable adhesion and waterproofing performance between structural layers, avoids issues such as hollowing or detachment of the block finish layer, and improves the construction quality of waterproof wall decoration.

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Abstract

A waterproof wall structure, relating to the field of building wall waterproofing technology, sequentially includes a wall base, a cavity waterproof layer, a precast cement slab component, a bonding layer, and a block finishing layer. Injection port fittings and vent fittings are respectively installed at the lower and upper parts of the wall base. A sandwich layer accommodating the cavity waterproof layer is formed between the precast cement slab component and the wall base. The material constituting the cavity waterproof layer is injected into the sandwich layer through the injection port fittings to form the cavity waterproof layer. Compared with existing technologies, this invention has the advantages of completely avoiding waterproof layer support methods with poor adhesion, solving the common construction problem of ensuring adhesion between structural layers and long-term reliable waterproofing, improving the technical solution for waterproof wall decoration construction quality, and providing the necessary construction conditions for using highly fluid and permeable waterproof materials to form a waterproof layer under pressure on the wall surface.
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