In the interior decoration, wallpapering a wall is like putting a gorgeous dress on the wall. However, it is not a casual way to put on the wall. The following Xiao Bian will introduce to you the introduction of wallpaper on the wall of what are the requirements ? See if your family meets these conditions?
one. Wall drying
1. Observe the depth of the surface of the grass through the eyes to determine if the wall is completely dry.
2. Thin film test method: Cover a plastic film on the wall and seal it with tape. If the wall is not completely dry, the residual moisture in the second wall will appear on the back of the membrane as condensed water. In this case, the construction cannot be performed immediately, and it is necessary to wait for the moisture to evaporate completely before sticking.
two. Carrying capacity
1. Use a hard object to scratch the wall and measure the strength of the wall.
2. Under certain pressure, the wall was not cracked.
3. The pressure test was performed with the thumb A. If no impression was left on the test site, it indicates that the wall has enough strength to paste.
4. When you rub your palm with your palm, you cannot produce a lot of powder.
three. pH detection
1. Walls that normally require wallpaper construction should be in a neutral state (PH=7).
2. When checking the alkalinity of the wall, wet the wall with distilled water and place a test paper. If the PH value is around 7, it is neutral and the color is olive green. If the wall is alkaline, the yellow test strip will turn blue, which means that the PH value has exceeded 8. The comparison can be made with a contrast plate.
four. Wall water absorption
1. Wall water absorption is too high or too low for wallpaper.
2. The simple method of testing water absorption is the wet-water method: water is sprinkled on the wall and the non-absorbent wall water turns into a bead. This wall surface must be ground; if the water absorption capacity is high, the wall surface will be Water is quickly absorbed and the color becomes darker immediately, so that the wall also needs to be reprocessed.
Fives. clean
1. The surface is free of dust, dirt, etc.
2. The thin material wallpaper and the pure white wallpaper require the same color on the wall.
The above information about the requirements of the wallpaper on the wall , Xiao Bian has roughly introduced here. Hope to help you. More home improvement knowledge, please pay attention to this site information!
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