waterproof laminate flooring waterproof performance is mainly two aspects, one is to see the material of the floor substrate, laminate flooring substrate is a mixture of wood fibers glued hot pressed to form, usually coniferous fiber content of high waterproof performance, in addition to the quality of glue, usually the higher the formaldehyde content of the glue, the better the waterproof performance of the plate, the second is to see whether the floor tongue and groove at the waterproof treatment, that is, coated with wax, wax is water-repellent substances, can effectively isolate water molecules into the interior of the floor substrate.