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Construction tools of real stone paint and code for construction of real stone paint
专栏:Environmental knowledge
发布日期:2019-11-15
阅读量:88
作者:福莱特
I. requirements for grass roots Before spraying, the base course shall be cleaned, free of dust, rust, oil stain, hollowing, pulverization, peeling, sanding and other phenomena.

I. requirements for grass roots

Before spraying, the base course shall be cleaned, free of dust, rust, oil stain, hollowing, pulverization, peeling, sanding and other phenomena. The surface of the base course shall have a certain strength, with moisture content < 10, pH < 9. When the base course is dry, the cement mortar base course shall be required for more than 21 days, and the time shall be extended appropriately if the temperature is low

II. Construction tools

1. Scaffolds: scaffolds must be 30-40 cm away from the painted wall, and there should be no horizontal water bar against the wall, and there should be no foot, hand and eye on the wall. It is advisable to use hanging rails and bridges. During the construction of bamboo scaffold, proper construction distance shall be set aside

2. The air compressor with power above 5kW, sufficient air volume and pressure of 0.5-1.0mpa has three air pipes, which can meet the simultaneous construction of more than three people and can automatically control the pressure

3. Spray gun: the upper pot spray gun has a capacity of 500ml and a diameter of more than 1.3mm. The capacity should not be too large, the operation is inconvenient, and the diameter is small, so the construction speed is slow, and large area construction is not suitable

4. Nozzles of various diameters: 4mm, 5mm, 6mm, 8mm, etc. the smaller the diameter is, the smoother the spraying will be. The larger the diameter is, the larger the spot will be, and the stronger the concave convex feeling will be

5. A set of airless spray gun

6. Rubber pipe: oxygen pipe, 8mm in diameter

7. Brush, roller and blade

8. Shelter tools: plastic cloth, fiberboard, pushpin, tape

III. construction specifications

1. Application of sealing primer: Spray (brush or roll), spray once evenly and thinly with airless spray gun, with construction temperature above 10 ℃ and spraying amount of 0.2-0.3kg/m2

2. Spraying the middle layer of real stone paint: the spraying method is adopted, the spraying pressure is 0.5-1.0mpa/cm2, the appropriate nozzle is selected according to the requirements of the sample plate, the construction temperature is above 10 ℃, the thickness is 1-2mm, two coats are applied, the interval is two hours, and the polishing is carried out after drying for 24 hours. The spray gun shall be constructed perpendicular to the surface to be sprayed with a distance of about 60 cm. During the construction of internal and external corners, special attention shall be paid not to spray thick at one time. Thin spray multi-layer method shall be adopted, i.e. spray again after the surface is dry. The distance of spray gun is 80cm, the movement speed is fast, and it is not allowed to spray vertically at the internal and external corners. Only scattering can be adopted, i.e. spray two surfaces, and the edge of upper spray flower will sweep into the internal and external corners. The spraying amount is 3-5 kg / m2

3. Grinding: use 400-600 mesh sandpaper to gently smooth the raised sand and sharp corners on the surface of the real stone paint, and do not use too much force

4. Spray the top coat: Spray (brush or roll), spray once evenly and thinly with airless spray gun, the construction temperature shall not be lower than 10 ℃, it will take 10 days for complete drying, and the spraying amount is 0.2-0.3kg/m2

IV. construction technology of real stone paint with different colors

1. White and light stone paint construction

The wall shall be scraped with white cement once in batch, which shall be flat without obvious batch mark; or the colored liquid primer shall be directly applied, and then the middle layer and surface layer shall be sprayed as required

2. Dark stone paint construction

The primer shall be sprayed according to the regulations. In the middle layer of construction, only one thin layer shall be sprayed, with the thickness controlled at 1-2mm, and then the top coat shall be applied

Before spraying, the base course shall be cleaned, free of dust, rust, oil stain, hollowing, pulverization, peeling, sanding and other phenomena. The surface of the base course shall have a certain strength, with moisture content < 10, pH < 9. When the base course is dry, the cement mortar base course shall be required for more than 21 days, and the time shall be extended appropriately if the temperature is low.

Source: China building decoration network

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