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Detailed explanation of outdoor paint construction process
(1) Primary wall surface treatment 1. Thoroughly remove surface floating wall ash, oil, mold release agent, empty drum and weathered substances that affect floor construction. When the floor surface protrusion is greater than or equal to lOmm should be removed, the application of cracking mortar repair.
2. Wall brush interface mortar.
(2) Exterior wall polystyrene powder particles 1. Polystyrene particles polystyrene insulation layer construction should be divided into at least two times, the first time the construction thickness should be controlled at about 10mm, the last time the construction thickness should be controlled at about lOmm, every two times Construction interval should be more than 24h. When the construction temperature is low, the interval time can be extended. 2. The construction of rubber powder polystyrene insulation layer should be from top to bottom.
3. The last time the powdered polyphenylene granules are applied, the thickness of the cakes and chins should be reached, and the flatness of the wall and door windows should meet the requirements.
4. The insulation layer is cured and dried (generally 5d) before the next process can be performed.
(3) Scrape-resisting mortar pressed into alkali-resistant mesh cloth
1. Uniformly apply 3-4mm thick crack-resistance mortar on the surface of insulation layer, immediately press the cut-resistant alkali-resistant grid cloth into the cracking mortar with a trowel, and the overlap between the grid cloths should not be less than 50mm. , and can not make the grid cloth wrinkled, empty drum, Alice.
2. The first floor should be paved with two layers of alkali-resistant mesh cloth, the first layer is reinforced with alkali-resistant mesh cloth, and the alkali-resistant mesh cloth should be strengthened. Then the second layer of ordinary alkali-resistant mesh cloth is laid, and the two layers are resistant. Anti-crack mortar must be full between base mesh fabrics.
3. Set a special 2m high metal corner on the corner of the first floor wall. The corner should be sandwiched between the first layer of alkali-resistant mesh. The two sides of the remaining floor at the corners of the sun are overlapped with each other on both sides of the alkali-resistant net cloth, and the width of the laps on each side is not less than 200 mm.
4. The four corners of the door and window openings should be pre-adjusted in the direction of 45 ~ 300mmX400mm additional alkali-resistant mesh.
(4) Laying of grids:
1. Alkali-resistant mesh cloth laying method:
Using a stainless steel trowel, evenly spread a layer of sizing on the surface of the polystyrene board that is slightly larger than a grid cloth, and the thickness is about 1.6 mm. Immediately press the grid cloth into the wet screed mortar. When the glue is dry and hard to touch, apply the second screed glue immediately with a trowel until the mesh is buried in the middle of the two screed mortars. The thickness after finishing is usually 3 to 5mm.
2. Lay a grid cloth along the outer wall from top to bottom.
3. When encountering the openings of doors and windows, a standard grid cloth should be subsidized at the four corners of the entrance in the direction of 45 degrees to prevent cracking.
4. When laying the mesh cloth, the curved surface of the mesh cloth should face toward the wall surface and be leveled with a trowel from the center until the mesh cloth is completely buried in the screed mortar. Visually, there is no distinguishable mesh. Cloth pattern.
5. The thickness of standard netting mortar is 3~5mm.
6. After laying all mortars and grids, at least 24 hours of standing and maintenance shall be performed before the construction of the next procedure. In cold and humid climate conditions, curing time should also be appropriately extended.
7. The completed part is protected from the infiltration and erosion of rainwater.
Xiao Bian concludes: We introduced the construction of outdoor coatings for everyone, and hope to help everyone. For more relevant knowledge, please continue to pay attention to this website information platform. Follow-up will present more exciting content for everyone.
Outdoor paint construction super detailed construction steps
Obviously, the construction of outdoor paints is not as simple as the interior decoration paints. Outside, if you want to paint the dozens of floors of high-rise buildings, there must be special treatment methods, and the process is also more dangerous. Therefore, when the series of steps such as paint painting is performed outdoors, detailed preparations must be performed. Next, Xiao Bian will bring detailed steps for outdoor paint construction for everyone.