How to identify waterproof gypsum board and general gypsum board?
Ordinary gypsum surface into a gray paper, double the same color, waterproof gypsum board, also known as cement pressure board has white and dark gray, the surface side is smooth, one side is rough; general interior latex paint is not waterproof, The paint is waterproof.
Very simple ah! General gypsum board are paper waterproof is no paper! There is also a waterproof gypsum board gypsum is yellow very hard and accompanied by particles. General gypsum board gypsum is pure white is very delicate and very soft
1, the difference between the two is that: ordinary gypsum board core and the surface layer and the surface layer of materials do not do waterproof; and waterproof gypsum board core and the surface layer and surface material to do waterproofing.
2, ordinary gypsum surface into a gray paper, double-sided color the same, waterproof gypsum board, also known as cement pressure board with white and dark gray, the surface side is smooth, one side is rough; general interior latex paint is not waterproof, Exterior wall paint is waterproof.
