Construction method and steps of wall waterproof coating!

Waterproof construction

In the decoration and construction, waterproofing is an indispensable part.

01-Construction methods and steps

1.

Whether construction or other waterproof coatings, construction of pre-primary treatment is the first, to ensure grass-roots strong, smooth, no dust, oil and so on

If the base has holes, cracks, etc.

2.

Before painting, make sure that there is no clear water on the wall.

3.

After painting, the construction area should be maintained.

4.
Closed water experiment

After the waterproof layer is completely dry, a closed water test should be carried out.
The height of the closed water should not be less than 30cm.
Keep the water closed for 24 hours, and then check whether there is water seepage on the wall surface.
Use the water spray test for the light wall surface to check the adjacent walls.
Whether there is water seepage on the surface
.

02-The difference between wall waterproof coatings

After talking about the construction steps and methods of waterproofing, let's talk about the difference between waterproof coatings?

Waterproof coatings are actually divided into rigid and flexible, which are mainly distinguished according to the performance and effect of the product
.

1.
Waterproof principle

Flexible waterproofing is to cure into a film through a chemical reaction, and the building structure is isolated from the base surface to achieve the purpose of waterproofing
.
The flexible waterproof has strong impermeability, good tensile strength, high stability, and long service life.
When subjected to external forces, the flexibility of the flexible waterproof can effectively resist the cracking of the base layer within the elastic range
.

Rigid waterproofing mainly enhances the penetration resistance of the base layer by improving the compactness of the concrete base layer and reducing the porosity
.
Rigid waterproof coatings generally have no flexibility, but their advantages are low cost, good durability, fewer construction procedures, and convenient follow-up maintenance
.
However, uneven grassroots sinking, small deformation of the wall and ground construction, cracks or leakage may occur
.

2.
Scope of construction application

From the construction point of view, rigid waterproofing does not require high requirements for the base layer.
It can be constructed on a damp base layer.
After construction, the surface becomes a hard film, suitable for tiling, so it is mostly used for wall waterproofing
.

Flexible coatings have strong resistance to deformation, but they have stricter requirements on the construction base surface, and the film formation is soft, elastic, and smooth.
It is not suitable for tiling and can easily lead to falling off.
Therefore, flexible waterproof coatings are often used for ground waterproofing, as well as pipe roots, Strengthen the use of yin and yang angles
.

The above are the characteristics of waterproof coatings, construction methods and steps, I hope to help everyone!