Gypsum board decoration has become a widely used material in home decoration. However, in the mixed market, the quality of various brands varies. Everyone must pay attention to 5 points when choosing a suspended plasterboard.
Check the appearance quality - look at the front side of the plasterboard for oil or watermark, the surface should be smooth and smooth, no pores, stains, cracks, corners, check for more and deeper corrugated grooves and strokes Injury and so on.
Check the adhesion between the paper and the core - you should find a few sheets at random, use a wallpaper knife to draw a "fork" on the surface of the plasterboard, and then tear the paper at the intersection, if the place is torn There is no bare gypsum core exposed on the paper, indicating that the protective paper of the board is well bonded to the gypsum core; if the peeling place between the protective paper and the gypsum core layer is detached, the gypsum board core is completely exposed, indicating that the sheet is poorly bonded. It is also possible to remove the facial tissue by hand at the end of the gypsum board where the gypsum core and the face paper are exposed.
掂 Weight - Generally, the inferior gypsum board in the market will be heavier than the high-quality gypsum board. This is to measure the weight per unit area of ​​the gypsum board of the same thickness.
Check the thickness - especially for large purchasers, when checking the gypsum board, be sure to check the thickness to see if it meets the standard.
Look at the logo - when purchasing a large brand of products, on each package, there should be a product name, trademark, quality grade, manufacturer name, production date, product mark and other signs. Focus on the quality level mark when purchasing. The quality grade of the decorative plasterboard is divided according to the dimensional tolerance, flatness and right angle deviation. There are three main types of gypsum board: plain gypsum board, water resistant gypsum board and refractory gypsum board. This should be taken into account at the time of purchase. If used in a humid environment, you should pay attention to the thickness of the waterproof gypsum board. (Chen Yuan)
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