How to make the exterior paint?-Iota

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Service > How to make the exterior paint?

How to make the exterior paint?

When exterior paint job got to pay attention to the following points to both the effect and the beauty, especially modulation exterior wall paint is a big problem. Many joined the line are following predecessors did, but there is no point in questioning attitude. No matter what to do good or do bad worth mentioning is a sound that can be? That is one reason why so many shabby appears. For modulation exterior paint, we must believe in science. Only in this way will we be able to prepare a better exterior paint. Many current types of exterior paint, can be divided into strong anti-acid exterior paint, self-cleaning water-resistant silicone exterior paint, steel waterproof putty powder, pure acrylic elastic wall paint, silicone elastic self-cleaning exterior paint, Advanced acrylic exterior paint, fluorocarbon paint, tile special primer, tile finish, water-repellent finish high weather, environmental exterior latex paint, acrylic paint oily, wall oil tyrants, metallic paint, interior and exterior-coating and so on. Highly resilient silicone exterior paints acrylic emulsion, titanium dioxide additives like.
Tools / materials
Material preparation: Putty: Finished water putty or formulated with white cement, synthetic resin emulsions and the like. Primer: water-based or solvent-based coatings, and surface coating has a good supporting character. Surface coatings: paint should be consistent with GB / T 9755 "synthetic resin latex wall paint" standards.
Tools and supplies ready: putty knife, wire brush, a scraper or putty scraper, putty pallets, sandpaper, roller brush, row of pens, paint brushes, hand-held electric mixer, filter screen, jerrycans, refiner plates, steel tape measure, pink line package, film tape, shielding plate, cover paper, plastic goggles, masks, gloves, overalls, boots.
Method /
1. Technical preparation: inspection and acceptance of the grass-roots should be smooth, clean and free of floating sand, free from the shell. Concrete and plaster surface moisture content should be below 10%, PH value of less than 9. Typically new grassroots wipe in case a well-ventilated, summer should be dry 10 days, more than 20 days in winter. Untested grassroots can not be qualified for construction. Model: the construction area is large, the design should be asked to make a model, the design, the construction unit after approval, as a basis for acceptance. Site: suitable distance scaffolding and the wall, the frame plate must be of sufficient length, not less than three fulcrum. Shelter outside the window, to avoid contamination of the paint during construction. Staff: there should be technical director of the construction team, the main operator of the construction process is subject to technical training, those who pass before induction, auxiliary workers should be supervised.
2. The exterior wall construction paint construction technology Operation Primary treatment: First remove the primary surface dust and other adhesive material. A large depression smooth application of polymer cement mortar. And let it dry, small holes, cracks with cement latex putty repair. When Wall efflorescence blooming with zinc sulfate solution of dilute hydrochloric acid solution or scrub, oil with detergent, and finally then rinse. Grassroots previous coatings should be treated differently depending on the circumstances: loose, from the shell, rattle of the old coating should be to eradicate; strong adhesion of the old coating with sandpaper to fight hair; not water-resistant coating should be fully eradicated.
3. Brush primer (except wood and painted surfaces): If the wall is loose, absorbent and strong, can be evenly brushing cleared of grass one to two times with a roller glue primer (acrylic emulsion or a water-soluble building plus glue diluted with water 3-5 times Serve), non-holidays, can not flow or accumulation caused by excessive brushing. Local fill putty: grassroots backing dried, putty Zhaobu of injustice, dry sand flat. Finished putty should stir before, when you can eat plus thick putty partial water regulation. Man putty: putty placed on pallets, with a trowel or squeegee like skin scratch, first following. According grassroots and decorative requirements putty knife 2 to 3 times, each time the putty is not too thick. After the putty dry sandpaper should be timely, can not grind wavy, can not leave grinding marks, polished finished sweep floating dust.
4. Brush primer: The primer Stir, such as paint thicker, according to product specification requirements dilution. Brush or with a roller brush evenly brushing row again, be careful not to leak brush, do not brush too thick. Primer dry up if necessary partial re putty, dry sand flat. Primary treatment: First, remove the primary surface dust and other adhesive material. A large depression smooth application of polymer cement mortar. And let it dry, small holes, cracks with cement latex putty repair. When Wall efflorescence blooming with zinc sulfate solution of dilute hydrochloric acid solution or scrub, oil with detergent, and finally then rinse. Grassroots previous coatings should be treated differently depending on the circumstances: loose, from the shell, rattle of the old coating should be to eradicate; strong adhesion of the old coating with sandpaper to fight hair; not water-resistant coating should be fully eradicated.
5. Brush primer (except wood and painted surfaces): If the wall is loose, absorbent and strong, can be evenly brushing cleared of grass one to two times with a roller glue primer (acrylic emulsion or a water-soluble building plus glue diluted with water 3-5 times Serve), non-holidays, can not flow or accumulation caused by excessive brushing. Local fill putty: grassroots backing dried, putty Zhaobu of injustice, dry sand flat. Finished putty should stir before, when you can eat plus thick putty partial water regulation.
6. Full putty: putty placed on pallets, with a trowel or squeegee like skin scratch, first following. According grassroots and decorative requirements putty knife 2 to 3 times, each time the putty is not too thick. After the putty dry sandpaper should be timely, can not grind wavy, can not leave grinding marks, polished finished sweep floating dust. Brush primer: The primer Stir, such as relatively thick coatings, according to the requirements of the product specification dilution. Brush or with a roller brush evenly brushing row again, be careful not to leak brush, do not brush too thick. Primer dry up if necessary partial re putty, dry sand flat.
7. Brush the surface coating: The surface coating according to the proportion of product specification requirements were diluted and stir well. When required separation wall, the first pop-up lines with a separation package or fountain pink line, leaving the post when brushing color parts of 1 ~ 2cm room. A person with a roller brush dipped in the first coating applied uniformly, the other person then coated with a row of flattened brush marks and splashes. It should prevent and flow through the end of fall. Each painted surface should start brushing from the edge to the other side, and once completed should avoid seams. After the first pass is dry, apply a second time coating. General paint brush 2 to 3 times, depending on the circumstances.
8. decorative exterior paint performance is good: Requires exterior paint colorful and excellent color retention, it can be a long time to maintain the original decorative properties. Good weather resistance: exterior paint, because the coating is exposed to the atmosphere, to be subjected to wind, sun, salt spray, rain, cold and heat changes and other effects, in the long-term effects of these repeated natural environment outside coating prone to cracking, chalking, peeling, color and so on, so that the coating lose their decorative protection. Therefore, the requirements within the prescribed facades useful life, the coating should not undermine the above phenomenon.
9. Stain Resistance Good: Because of different areas of environmental conditions are quite different, for some heavy industry, mining industry developed cities, due to the more atmospheric dust and other suspended matter will stain easily lose their decorative coating effect, thus affecting the appearance of the building. Therefore, exterior paint should have good stain resistance, so that the coating can not easily be contaminated or easily washed off after contamination. Water resistance: exterior paint finishes exposed to the atmosphere, often by rain erosion. Therefore, exterior paint coating should have good water resistance.
10. The good resistance to mildew: exterior paint finishes in humid environments prone to mildew. Therefore, the required coating to inhibit the growth of mold and algae. In addition, according to the design requirements of different functions, for exterior paint also put forward higher requirements: as in a variety of EIFS coating applications requiring exterior wall coating has good elasticity elongation, due to better adapt grassroots deformation of surface cracking occurs on small cracks have covered the role of grass-roots; aluminum plate decorative effect for anti exterior paint should have better metallic, long outdoor durability.
Precautions
Should check the label before using the paint and carefully stir after use shall cover closed.
Storage and construction coatings product shall comply with the instructions provided in the temperature conditions, generally should be above 5 ℃. If the paint in frozen storage, should be placed in a higher temperature in the room allowed to thaw naturally can not roasted. Paint confirmed thawed before use is not a qualitative change.
Paint palette is best done by the manufacturer or distributor to ensure that the batch of paint color consistency. If you need color at the construction site, the manufacturer must provide support or designated trademark, origin of paste, according to the requirements and scale, by hand for the deployment.
Note that the finished protective coating works to prevent human pollution caused by cross-operation. Such as the construction of the wall has been contaminated by dirt, use a clean damp cloth to gently scrub serious pollution should be re-painted.
Before construction attention to weather forecasts and avoid job before the arrival of rain and snow.
Brushing tools should be cleaned after use, and keep it.

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