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Anonymous users2024-01-24No, but the cement used for tiles contains ammonia.
Ammonia is a first-class carcinogen, but the evaporation time of ammonia is short. Generally, if you move in after half a year of decoration, the ammonia has already volatilized. However, the formaldehyde contained in other furniture in the room has not been evaporated.
It is recommended to ask a professional formaldehyde testing company to test whether the formaldehyde exceeds the standard before moving in. If it exceeds the standard, it is best to do formaldehyde removal and treatment before moving in.
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Anonymous users2024-01-23Tiles should be free of formaldehyde, which is usually found in paint and glue. Therefore, the wall, whether it is latex paint or wall covering, contains formaldehyde. There are also wooden floors.
1. The surface of the base layer of the waterproof layer must be cleaned of dust and debris, and the residual mortar hard blocks and protruding parts on the surface should be smoothed and swept. >>>More
This has nothing to do with the cement marking, according to what you described, there is no yang angle line when sticking tiles, it is the old process of directly 45 degrees diagonal, this process is easy to fall off in addition to the porcelain, you pay attention to most of the interior wall bricks and bricks are from the yang angle first, the edge of the 45 degree angle is very thin, and the most vulnerable place of the tile is here, you have to solve it quickly, and the whole piece will fall off for a long time. There is also a solution, but it is very troublesome, I don't know where you are, find a local larger Yangjiao line dealer can help you solve it, the general ceramic tile market has.
Wall tiles and floor tiles are generally glazed.
In the process of paving any tile, the joints must be left, and the joints between the tiles are completely normal. >>>More
When the master installs the wall cabinet, he will use the tile to drill holes and then fix the wall cabinet, the tile will not crack, the wall cabinet will not fall, rest assured.