The construction process of exterior wall bricks is as follows:1Base treatment: clean the wall and column, wash the floating ash and residual mortar and oil stains, and then fully water and moisten, and paint the bonding layer according to the design requirements (using polymer cement mortar or other interface treatment agents), and then carry out base treatment according to different substrates, and the treatment method is the same as that of general plastering engineering. 2.Plastering the bottom ash: the priming should be divided into two layers, the thickness of each layer should not be greater than 5 9mm, with anti-aircraft drums, the total thickness of the design is generally 10 15mm. After the first wipe after the hair, with six or seven into the dry, you can wipe the second time, randomly scrape with a wooden bar, wooden wipe rubbing, watering and maintenance after the final setting. In rainy areas, waterproof and impermeable cement mortar should be used for the screed layer to meet the requirements of anti-leakage. The plastering should ensure the slope of the flowing water on the window sill, waistline, cornice, awning and other parts. 3.Elastic line grid and brick arrangement: Arrange bricks according to the design requirements, determine the width of the joints and the grid, and pop up the control line to make a mark. When shooting bricks, the horizontal joints should be flush with the doors and windows, and the vertical direction should make the sunny corners and doors and windows the whole brick. corners or minor parts, and should not be less than 1 2 whole bricks. Usually the width of the joint is used to adjust the size of the surface brick arrangement, but the width of the brick joint should not be less than 5mm, and the dense joint is generally not used. 4.Dipping bricks: Dipping bricks is an important step in the construction process of exterior wall tiles, which need to be soaked in water for at least two hours to ensure that the tiles are fully absorbed, and then taken out to dry or wiped dry. 5.Paste tiles: according to the elastic line grid, row bricks, paste from bottom to top. From the position line of the bottom layer of bricks, first stabilize the ruler, so as to support the first skin surface brick. On the outer skin of the brick, pull the horizontal through line as the standard for gluing. On the back of the face brick, the cement slurry of 108 glue mixed with 10% water weight is pasted, and the ash shovel handle is gently beaten after pasting it to make it attached to the line. Then use the steel plate to adjust the vertical seam, and use the small bar to adjust the verticality of the plane through the standard point. 6.Hook and rub joints: When the surface brick is pasted with hook joints, use cement mortar to hook the joints, and the sand is required to pass through the window screen screen. Hook the horizontal seam first and then hook the vertical seam, and after hooking, it is required to recess the outer surface of the brick 2 3mm. After the mortar hardens, wipe off all the residual slurry with cotton yarn and other materials dipped in gasoline.
The exterior wall tile construction process is a complex process involving multiple steps, which requires careful design and rigorous operation. The following will introduce the construction process of exterior wall tiles in detail, including the steps of base treatment, plastering the bottom ash, elastic line grid, brick arrangement, brick dipping, tile pasting, hooking and wiping joints.
First, grassroots treatment.
Before starting the construction of exterior wall bricks, the base layer must first be treated. Base treatment is the basis of exterior wall brick construction, and its quality directly affects the firmness and service life of the entire exterior wall brick project. The base treatment mainly includes cleaning the wall and column, washing away the floating ash and residual mortar and oil stains, and then fully watering and wetting it. At the same time, the bonding layer should be coated according to the design requirements, such as polymer cement mortar or other interface treatment agents, to strengthen the bond between the base layer and the surface layer material.
Second, wipe the bottom ash.
After the base treatment is completed, the base ash needs to be plastered. The purpose of plastering the base layer is to level the base layer and provide a smooth base layer for the surface layer paving. When plastering the bottom plaster, it should be carried out in two layers, and the thickness of each layer should not be greater than 5 9mm, in order to prevent the drum. When the design is not required, the total thickness is generally 10 15mm. After the first wipe should be swept hair, with six or seven into dry, can be wiped the second time, randomly scraped with a wooden bar, wooden wipe rubbing, watering and maintenance after the final setting. In rainy areas, waterproof and impermeable cement mortar should be used for the screed layer to meet the requirements of anti-leakage.
Third, the elastic line is divided into grids and bricks.
After plastering the bottom plaster, it is necessary to carry out elastic line grid and brick arrangement. The purpose of the elastic line grid is to determine the arrangement position and gap width of the surface bricks, so as to ensure the aesthetics and neatness of the overall effect. When arranging bricks, it is necessary to determine the width of the brick joints and the grid according to the design requirements and the actual situation, and make the whole brick at each sunny corner and door and window. At the same time, to eject the control line, make a mark to ensure that it is accurately aligned when pasting.
Fourth, dip bricks. Dipping tiles is to soak the tiles in water for a certain period of time to ensure that the tiles fully absorb water before use. This step is to prevent the tile from shrinking due to drying and causing gaps or falling off when it is pasted. When soaking the tiles, pay attention to completely submerging the tiles in water, and the soaking time is not less than 2 hours. The tiles after being soaked in water should be taken out to dry or wiped dry before use.
Fifth, paste tiles.
Pasting tiles is one of the key steps in the construction process of exterior wall tiles. Before pasting the tiles, a thin layer of cement slurry needs to be applied to the base layer, and then the tiles are pasted according to the design requirements. When pasting, it should be gently beaten with a leather hammer to ensure that the tile is closely integrated with the base layer. At the same time, it is necessary to check the flatness and adjust the verticality with a level or ruler at any time. In the pasting process, it should be carried out from the bottom up, and ensure that the position line of the skin under the bottom layer of the lowest layer of bricks is stable and reliable. After pasting each layer, the cement slurry remaining on the surface of the tile should be cleaned up in time to ensure the aesthetics.
6. Hook and wipe seams.
After the tile is pasted, it needs to be gripped and grappled. Grout is to fill the gaps between the tiles with cement mortar to make the overall appearance more beautiful and tidy. Wipe off all the residual slurry with cotton yarn and other materials dipped in gasoline to ensure that the surface is clean and tidy. After the completion of the grout and wipe joint treatment, maintenance and protection measures should be carried out in time to ensure the quality and service life of the project.
The above is a detailed description of the construction process of exterior wall bricks. It should be noted that the operating procedures and technical requirements should be complied with during the construction process to ensure that the quality of the project meets the standard requirements. At the same time, it is necessary to strengthen safety precautions to avoid safety accidents caused by improper operation.