Wall decoration has a history of nearly one hundred years. People originally used murals and tapestries. By the end of the 19th century, printing and embossing papers began to appear. At the end of the 1950s, PVC plastic coated embossed wallpapers entered the market, followed by embossed wallpapers and circular screens. Wallpaper has also debut.
Nowadays, with the advancement of social science and technology, wallpapers suitable for indoor wall decoration can be described in a variety of ways. The variety of colors is also dazzling. According to a wallpaper sales person, the wallpaper is divided into different types according to its substrate: paper wallpaper, PVC wallpaper, foam wallpaper, non-woven wallpaper, fabric wallpaper, cloth-based wallpaper, gold platinum wallpaper, special wallpaper, and so on.
The appearance of wallpapers has opened up more space for home decor and design. If the interior wall is treated as a gift box to be packaged, then the wallpaper is like a colorful wrapping paper, allowing the owner to fully express his artistic creativity and create a colorful atmosphere in the simple and rough concrete room.
Lejia Wallpaper (National Mall)
â— Wallpaper replacement process
1, sweep the grass, fill the gap
Gypsum board seams need to be affixed with joints and putty.
2, scraping putty
When processing at the grassroots level, it must be cleaned, smooth and smooth.
3, brushing agent
Moisture-proof coatings should be painted evenly, not too thick.
4, paper, glue
The vertical width of the wallpaper can be marked on the wall by the plumb line. Using a gluing machine to glue on the back of the wallpaper, so that it is more uniform than manual glue, and at the same time using a roller brush to apply glue directly on the wall.
5, on the wall paste, patchwork, lap
Stick the wallpaper on the wall, align the edges, and use a rubber roller to flatten the wall and press the adhesive bubble.
6, trimming
Use a wallpaper knife to cut off excess wallpaper from ceilings, wall skirts, windows, etc., and clean the glue.
â— Paint walls need to shovel the original grassroots
Today, the walls of most families use paint. If you want to replace them with wallpapers, can you directly construct them on the original wall? Li Dongsheng, deputy general manager of the Beijing branch of Beijing Hongnai Jiaye Building Materials Co., Ltd. introduced that wallpapers are not suitable for direct attachment. Brush on the old wall of the paint, because the paint after a few years, it is easy to blistering, peeling, direct wallpaper will produce unsightly results.
The specific method of replacement is as follows:
1. First soften the wall base putty with water.
2. Scrap the original grassroots.
3. Inspect the wall for cracks and potholes, treat with size fillers and grind them with sandpaper.
4. Remove the attachments, scrape the putty 1 to 3 times on the base layer, each time the thickness is less than 0.5mm, each time is smoothed with sandpaper, and the surface is cleaned with gauze.
â— warm water to remove old wallpaper
If there are wallpapers in the walls of the home, what problems should be paid attention to when replacing new wallpapers? Li Dongsheng said that most of the wallpapers used in the past belong to PVC wallpapers, also called plastic wallpapers. If new wallpapers are replaced, this old wallpaper is certain. To clear.
Plastic wallpaper is generally divided into two layers, the surface is a plastic layer, the substrate is a paper base layer. The specific method of replacement is as follows:
1. The plastic layer of the surface is scraped off with a toothed scraper so that the water can penetrate into the inner layer smoothly.
2. Use a sprayer to spray warm water onto the paper substrate, soak the wallpaper, soften the adhesive, usually for more than 2 hours.
3. Check whether the wallpaper base and wall can be peeled off smoothly. If it can, remove it.
4. Use sandpaper to remove any remaining debris from the wall.
5. Inspect the wall for cracks, potholes, and remove attachments. The treatment method is the same as the paint wall surface.
Tip: There is a damp spot on the part of the wall. Do not attach the wallpaper. Treat it after removing the root cause of the dampness.
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