How to clean the old ceiling is a frequent question that arises during the repair of the apartment. The ceilings are painted with oil paint, water -based, pasted with wallpaper, whitewashed, with old decorative tiles. Any work related to ceilings is not safe for health, as well as labor consumption, in this case you must be very careful.
Clean the ceiling from whitewashing
Before refinementing the surface, wash off the old whitewash from the ceiling. This process is very time -consuming and dirty, so take everything out of the room if possible, close the rest of the things thoroughly, best of all with plastic film. You should protect yourself, for this you need glasses and respirator. It is easier to wash off lime paint from the ceiling than whitewashing. To remove it, you need warm water and a scraper. For the best effect, add citric acid or vinegar to the water.
How to clean the ceiling
When you remove the whitewashing, make sure that the passes do not stay. Wipe the rust and spots with a solution of copper sulfate, and a strong soot can remove the solution of hydrochloric acid.
If uneven and cracks are detected, spray or draw a lime solution. If you do not have a putty, make a mixture of solar acid, chalk and gypsum in a ratio of 2: 2: 1. In order to make amends for plaster, use a bar or grater.
Clean the ceiling from glue
When removing the old tile, the surface should be cleaned well. But tile glue cannot be washed away so quickly. To do this, you will need tools or improvised means, it will take not only a lot of effort, but also. To remove glue, use a grinder or grinding machine. Since this is a very dusty work, so open all the windows and doors, wear gloves, respirator and glasses.
How to clean the ceiling
To reduce the amount of dust, moisten the ceiling with water. The first time the glue cannot be impregnated from the first time, this will require several approaches. Go to the household, there are a lot of tools that will help you in removing glue.To do this, you can purchase an iron spatula, chisel, metal brush. Bend the irregularities with a layer of no more than 2 mm. Bend the irregularities with a layer of no more than 2 mm. Then level the surface with a primer in three layers, and let it dry for two days.
Clean the ceiling from paint
In order to remove water -based paint, you will have to sweat very much. Industrial hair dryer will not help you here, just like water. You can purchase a paint destroyer in the store. This is a transparent gelatinous mass, it should be applied to the ceiling, after some time scrape the paint. Then wipe the surface with a solvent. And so several times until you come to the result. Pros without dust and noise. Cons is unproductive, for a long time, a lot of costs.
There is a second option – it is a bell or grinding machine. Turn on the tool and go forward the surface. Cons: a lot of costs, uncomfortable position, dust a lot. The pluses include the fact that high -quality and fast.
How to clean the ceiling
If you got oil paint, then the best option would be not to remove it at all. If you have decided all the same, be patient. You will need an industrial hairdryer, a grinding machine or a grinder. You can use only the petal disk.
Clean the ceiling from mastic
An industrial hairdryer will help you, you just anneal it. If you came across a thick layer, then most likely you will need a scraper, then a grinding machine, then wipe everything with a solvent. Use protective gloves knitted in any case. It is best if it is rubber, or in extreme cases, leather.