Etching cause discoloration of wallpaper. So the choice of the base film to pay more attention, be sure to choose healthy, environmental protection, high-quality base film, such as Carol forest base film. 3, wall treatment material is not completely dry, can not form a dense protective film. Sticker when squeezed glue and moisture can penetrate inside, so walls, wallpaper and wall treatment material to form a whole, the equivalent of wallpaper in direct contact with the wall. 4, mold cause discoloration: wallpaper moldy wallpaper and the wall between the first mold, fungus over time penetrate into the surface of the wallpaper, wallpaper surface damage pigment molecules causing discoloration, should always be kept dry wall surface. 5, improper construction methods: the construction process apply hard squeegee pressure, damage the wallpaper table

Waterproof protective layer off the surface and cause discoloration. Decoration workers of technology is also very important, not only affects the appearance, but also directly related to the quality of the latter part of the wallpaper. Shanghai Xinyu helping customers when construction will choose has extensive experience in the old master, thus eliminating the protective layer construction wallpaper improper shedding or discoloration. Third, the preventive measures: Shanghai Xinyu wallpaper discolored reason for doing more than our lives will be the appropriate preventive measures to deal with: 1. First choose a neutral adhesive products: 2, before brushing the base film with an alkaline PH test paper wall , in the case of the wall should be strong alkaline base film before brushing brushing once vinegar until the vinegar is completely dry before brushing the base film, the base film to be completely dry before use alkaline PH test paper wall, until the wall appropriate alkaline PH = 7. 3, please use measured before construction of the wall Moisture Meter detects the moisture content of the wall within the acceptable range before construction. These precautions will help you solve the decoration companies, such as Shanghai Xinyu wallpaper paste wallpaper at helping guests will be strictly in accordance with the standard decoration for construction, to ensure that the renovation reach to assure complete satisfaction. 4, and other base film is completely dry after the construction 5, 6 mildew treatment done in advance, it is best not to use special paper scraper Calibrating special wallpaper should brush the paper gelling. 7, it is best not to have glue overflow competent posted the best dry paste. If the glue overflows gently scrub with a sponge (preferably not with a towel)