What are the process steps of waterproof construction?

1, what are the steps of home improvement waterproof construction?

Basic treatment → detail node treatment → waterproof primer → large area painting → closed water test → protective layer.

2. What is the most critical step in the construction?

The most critical steps in construction are base treatment and post-protection Poor foundation treatment is like building a castle in the air, and what to do is empty talk. If you don't protect it in the later stage, the brush is equivalent to sticking a net with eyes, which can't be waterproof.

3. How to deal with the grassroots?

( 1)。 Carefully clean the surface of the base, remove floating dust, cement caking and loose base;

(2)。 After hydropower transformation, the pipe roots, drainage holes, yin and yang angles, and holes left in the wall should be specially treated. After treatment, use a brush to sweep the dust remaining on the base surface;

(3)。 Use rigid waterproof materials (such as plugging materials and caulking agents). ) Brush the key parts such as the pipe root and the angle of yin and yang to completely remove the residual dust.

(4)。 Dilute a proper amount of waterproof paint into milk, dip the diluted material with a roller from bottom to top, and then brush the waterproof surface first to completely remove dust.

Basic treatment requirements: it should be smooth, solid, clean, free of floating ash and oil stains, and the details should be handled completely without omission.

4. What principles and standards should be followed when scraping the waterproof layer?

Scraping waterproof layer should follow the principle of detail first (pipe root, leaking hole, etc. ) and large areas (walls and floors).

The angle of yin and yang should be made into an arc. Before large-scale waterproof construction, the groove shall be filled with sealing material, and the joints such as roof gutter, eaves gutter, angle of yin and yang, pipe root, etc. according to the design requirements. You should brush it twice first.

Waterproof coating is fully coated, without omission, and firmly bonded with the base. No bubbles, cracks and delamination, smooth surface, uniform brushing height of the rolled-up part, and the thickness must meet the specified requirements of the product. Waterproof coating construction should be carried out step by step according to the time schedule specified in the manual, and other follow-up projects should be carried out after the construction link is completely completed.

5. Is the waterproof coating as thick as possible?

Generally speaking, the thicker the better, but waterproof as long as it is 1.5mm thick according to the national acceptance standard.

6. What are the specific waterproof requirements for each part of the house?

The floors and walls of bathrooms, bathrooms, kitchens, balconies, basements and all rooms on the first floor should be waterproof. The water pipe trough on the wall should also be waterproof. When pipes, floor drains, etc. When crossing the floor, the waterproof layer around the hole must be carefully constructed. The buried water pipe in the wall should be chiseled with a groove larger than the pipe diameter, and the plaster in the groove should be smooth and coated with waterproof paint. Tip: If the original drainage pipes and floor drains are changed during renovation, waterproof measures must be strengthened around them.

7. What key links need to be supervised during the waterproof layer construction?

A waterproof part should be comprehensive;

Two waterproof layers shall be constructed in strict accordance with the product manual and a certain thickness:

Third, the construction technology should be meticulous: the joint between the wall and the ground, the angle of yin and yang, the water pipe, the floor drain, the surrounding sanitary ware, and the temple ditch laid by cold and hot pipes are all key waterproof parts, so the construction must be meticulous.

8. Why do you want to make a protective layer after waterproof construction?

After the waterproof layer is completed, it is necessary to continue to stick bricks on it, which often leads to the damage of the waterproof layer. If the damaged part is not repaired or found, it will inevitably cause leakage in the future, so it is necessary to affix a protective layer. Usually, the interface agent is added to the cement, and then the rigid waterproof material is added, and then it is brushed after being evenly stirred. The strength of this mixture after condensation exceeds that of ordinary concrete materials, and at the same time, it is also a waterproof barrier because of the addition of rigid waterproof materials, which is intended to kill two birds with one stone. This kind of waterproof can be foolproof.

9. After waterproofing is completed, why do you want to do a closed water test?

The closed water test can verify whether the waterproof function of the waterproof layer is normal. Do closed water test, must seal the door and the outlet, the highest aquifer depth is not less than 20 mm, water storage time is not less than 24 hours. Check for leaks.

10, how to judge whether waterproofing is done well?

Mainly to do closed water test. Visual inspection method: open the downstairs bathroom and observe whether there are traces of water seepage or water droplets. Contact inspection method: Touch the place suspected of water seepage by hand to confirm whether there is water leakage.

1 1.

Waterproof construction acceptance of light wall should be tested by water spraying. That is to say, the waterproof paint is sprayed on the wall from top to bottom for 3 or 4 minutes continuously, and the other side of the wall can only be accepted if there is no water seepage.

The first step of surface treatment at the grass-roots level is to remove dust. The uneven surface should be smoothed with cement, not greasy. Yin and Yang angles should be treated first, and gaps should be filled in.

The second step is stirring, and the waterproof coating is stirred evenly.

Step three, brush your teeth. Brush one coat first, not exceeding 1 mm, and when this coat is dry and not sticky, you can brush the second coat. The total thickness shall not exceed 2MM.

The fourth step is maintenance and protection.

Step 5, the closed water test, that is, at least 24 hours in summer and at least 48 hours in winter, is filled with water to see if it is qualified.