Closing structure for expansion joint reserved in wall surface or roof surface

Abstract

The invention discloses a closing structure for an expansion joint reserved in a wall surface or a roof surface. The closing structure for the expansion joint reserved in the wall surface or the roof surface comprises a main keel (1), auxiliary keels (2), closing strips (5), first layers of gypsum boards (4) and second layers of gypsum boards (6), wherein the auxiliary keels (2) and the main keel (1) are fixed, and the first layers of gypsum boards (4) are fixed under the auxiliary keels (2); the second layers of gypsum boards (6) arranged in the closing strips (5) are fixed under the first layers of gypsum boards (4); a first connecting seam between the auxiliary keels (2) and a second connecting seam between the first layers of gypsum boards (4) are mutually staggered. According to the closing structure for the expansion joint reserved in the wall surface or the roof surface, the problems that the sizes of expansion joints are not uniform and edge bending, edge breakage, lack of keratin and edge cracking occur are solved, positioning is easy, the structure is firm, construction is convenient, the sizes of reserved grooves are uniform, common problems are solved, the amount of labor used during construction is reduced, sources are created, and energy is saved.

Description

technical field [0001] The invention relates to a closing structure with expansion joints left on the wall surface and the top surface. Background technique [0002] In the treatment of shrinkage joints on walls and roofs in interior decoration projects, there are common problems in the shrinkage joint closing process at present: inconsistent joint sizes, bent corners, cracked edges, cracks along the edges, difficult construction, and more labor for subsequent maintenance. Conventional ceiling and wall retaining process seams have the following disadvantages: 1. The size of the shrinkage joints is inconsistent, the corners are bent, the edges are burst, the cuticle is missing, and the edges are cracked. 2. The construction is difficult, and common problems are difficult to control. Once a quality problem occurs, subsequent maintenance will require a lot of labor and it is difficult to completely repair it. Contents of the invention [0003] The object of the present inven...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a closing structure with expansion joints on the wall and top surface, which solves the problems of inconsistency in the size of the contraction joints by using "L" shaped closing strips

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