What kind of waterproof material is generally used in the bathroom of the old house?

The most suitable waterproof coating for the bathroom of the old house is the polymer cement-based waterproof coating. That is, the name on the market is: general-purpose, flexible, K11, JS, GS waterproof coating slurry, this kind of products are water-based coatings, non-toxic, harmless and pollution-free, simple and fast construction, and cement substrate bonding tightly, long service life, strong waterproof effect, moderate price and other significant characteristics.

Choose brands with good quality and good reputation, such as: JCDecaux, Leibangshi, etc.

First of all, the base surface (substrate) of the waterproof position should be treated. The base surface is treated into a firm, flat and clean surface, free of dust, greasy, wax and other debris substances; If there are pores, cracks and unequal defects on the base surface, it must be repaired and smoothed with cement mortar in advance, plastic strips are recommended to be pasted on the expansion joints, a layer of non-woven fabric must be added to the node, and the nozzle is recommended to use plugging king or nozzle grout; The corners of the wall should be plastered into an arc shape (or V-shaped); Make sure the base surface is sufficiently wet, but there is no open water;

Clause. Second, pay attention to the waterproof construction in place. Use a brush or roller brush to apply directly to the base surface, and the strength is used evenly, and the brush should not be missed; Generally, it needs to be brushed twice (according to the requirements of use), and the thickness of each brush should not exceed 1mm; After the previous one is slightly dry, the next one is brushed (just non-sticky, generally at an interval of 1-2 hours), and the front and rear vertical cross brushing, the total thickness of the brush is generally 1-2mm; If the coating has already cured, moisten it with water first when applying another layer. Special attention should be paid to the corner part of the wall to be treated into an arc type and then painted, and the painting can not be too thick (the total thickness does not exceed 2); The pipe through the wall should be sleeved with a casing, and the holes of the casing and the wall should be filled with a plugging king, and the waterproof material should be brushed to the height of the casing 10 and not too thick;

Clause. 3. Pay attention to the position and height of the waterproof painting. Ground; Generally, the wall is repainted and brushed 30 high; Paint the wall around the shower area 180 high or to the top of the wall; There is a bathtub where the upper brush is 30 higher than the bathtub.

Clause. Fourth, do a good job of water test. After the waterproof coating is painted to form a waterproof layer (about 24 hours later), the water storage is 20 high, and after 24 to 48 hours, see if the water is significantly reduced or go downstairs to see if there are wet water spots on the roof, and if not, it means that the waterproof construction is successful.

Clause. Fifth, the later decoration should do a good job of protecting the waterproof layer to avoid damaging the waterproof layer.

If you do the above five points completely, you will definitely be able to achieve the waterproof bathroom without any "wet".

Generally, waterproofing should be at least a combination of rigidity and flexibility, and such construction should be more reliable.

The old house is more careful than the new house waterproofing, first of all, clean up all the excess and stolen goods in the bathroom, use water to make the bottom, leveling, and water to do not leak the pipe root and the four corners of the wall to treat, and then do waterproofing on it, there will be no problem. It is recommended that you use the waterproof coating of Shanghai Haoshi, which is of good quality.

Waterproof coating, the old house is easy to crack, you can't prevent it, you either build another wall.

With universal and flexible waterproofing, it is a combination of rigidity and flexibility.

If you want to use it, use Jinston waterproof].