Tips for selecting waterproof sheet
1. Appearance
No matter what kind of waterproof sheet, the first thing to look for is whether the appearance is flat. Inferior waterproof sheet is rough in workmanship, uneven in appearance, and has cavities, cracks, etc.; while high-quality waterproof sheet has fine workmanship and smooth surface.
2. Thickness
Fortunately, the thickness of the waterproof sheet is uniform. If there is no obvious thickness change, then it is a qualified product.
3. Test
You can use the water splashing method and the refrigerator freezing method to check. When splashing water, see if the water penetrates into the board; you can freeze it in the refrigerator for 2 hours to check whether there are cracks and other problems.
4. Identification
You can look at the label of the plate. If it is produced by a Sanwu manufacturer, the label will be incomplete, or the handwriting will be blurred, and the product content will be ambiguous.
Regarding the problem of waterproof board, we can understand that there are many types of waterproof board, such as pvc board, color steel plate and so on. We have introduced five kinds of waterproof sheets to you in total. You can learn more about them. Regarding the selection techniques of waterproof sheets, we must first observe its appearance and its thickness, and then use the water splash method or refrigerator. The freezing method is used for a test. Of course, we also have to look at the signs of the plates, so that we can avoid choosing some plates produced by three non-manufacturers.
