Eventually after a long period of time the paint on your wall will begin to bubble, crack, or even peel off . We need to paint it again by the time. You can always hire a professional team like Chase Construction or If you want to experience the fun of painting, then you can try it by yourself. Remember to brush the ceiling and edge of lamp before painting large area with roller.
Here are the Specific steps for painting:
Step one: clean the wall. If there is fine white powder on the wall, it shows that the salinity dissolved out during the dry process of cement. You should remove it with polyamide brush or iron brush. Wait several days to make sure there is no white powder any more. You can start painting when the cement wall is dry. If there is still white powder, you can apply primer on the wall to prevent salt erosion. Avoid painting with oil paint or applying water-proof wallpaper within three months.
Step two: remove the peeling paint film. Remove the peeling paint film with blade or iron brush and grind the wall surface with sand paper.
Step three: remove the old wallpaper.
Step four: repair the wall surface. Fill the hole and crack on the wall; grind with sand paper after it totally dry.
Step five: apply primer. Primer is used wall surface that do not need special treatment. If the wall has some problems, you should choose special paint for dealing with the problem.
Step six: apply common paint.
Step seven: brush the paint from upside to downside. After stir the paint with crabstick, start to brush from ceiling so that the paint of ceiling will not drop on the painted wall.
Formulas for calculating painting quantity:
Formula one: this formula calculates the total painting area by floor area. The total painting area equal to multiply floor area by 2.8 of ceiling painting area.
Formula two: divide the total painting area with paint unit painting area.
Skills for painting:
For increasing the adhesive property of lime pulp, salt can be added during the procedure of making lime pulp. The proportion of quick lime and salt is 100:7. The wall will not have powder after brushing this kind of lime pulp.
Add 0.5% blue starch or blue ink in the paint can make the wall whiter.
The key problems for painting wall:
Painting on the plastered wall should be processed after the lime on the wall surface is totally dry, or it will affect the final effect.
Stir the limestone slurry constantly during brush lime slurry; or the lime slurry will deposit. The wall will have strip in different depth after brushing it.
- Obey the rule of brushing from upside to downside and be consistent in the action. You also can choose to brush from left to right. The only thing you should remember is that do not leak when painting.
- When painting new color on old lime wall in dark color and wall with many stains, lime water should be brushed and apply new paint after it is dry.
- When brush acidic colorful dry wall powder on the lime wall which painted within half year, it is easy to have fade phenomenon.
- When paint by yourself, safety measures should be taken to protect you from accident.