Waterproof construction method for home decoration

发布:2017-01-03 Source: Website release: 2017-01-03

Waterproofing works for home decoration are concealed constructions, and the kitchen, bathroom, balcony and other parts have been subject to water erosion for a long time. All of them should be waterproofed. The waterproof construction time should be performed after the hydropower installation is completed and before the tile is pasted. The specific construction method is:


1. Clean the construction site and sprinkle water to make it fully wet, but there must be no standing water.

2. Wall surface: The total thickness of the waterproof layer (waterproof mortar and waterproof mortar) is not less than 10 mm.

(1) Stir with cement at a ratio of 1: 2 to form a waterproofing mortar and paint it once or twice, with a total thickness of about 2 mm.

(2) After the waterproof mortar has dried on for 20 minutes, stir 5 to 6 ratios to form a waterproof mortar and wipe it on the base surface, with a thickness of about 8 mm.

(3) After the 24-hour waterproof mortar layer has solidified, sprinkle it for curing.

3. Ground: The total thickness of the waterproof layer (waterproof mortar and waterproof mortar) is not less than 20 mm.

(1) Stir into a waterproofing mortar and paint once or twice, with a total thickness of 2 mm. Floor drains, casings and the roots of sanitary ware are the key waterproof parts.

(2) After the waterproof mortar has dried on for 20 minutes, mix it with a waterproof mortar and apply it on the base surface. The thickness is 18 mm. It should be smoothed and compacted.

(3) After the 24-hour waterproof mortar layer has solidified, sprinkle it for curing.

4. Water-closing experiment: Block all the sewers, and put a 250 mm high “threshold” at the door, then fill it with 200 mm high water. After 24 to 72 hours, check that there are no leaks and you can apply tiles.

Precautions:

1. Firstly renovate the ground, and clean up the floating soil, slag and oil pollution on the ground. The surface is required to be smooth. The important point is to clean up the corners and joints around the walls. If there are cracks in the ground, excavate and clean the dust.

2. Further clean up the sewer pipes and floor drains to ensure that there is no floating dust on it. This step is the key to ensuring that the waterproof layer is flat and free of trachoma.

3. When preparing waterproof mortar, use ordinary Portland cement (above R32.5), and the sand should be dry and clean (the mud content should be no more than 3% and the water content should not be more than 15%).

4, completely replace water to stir the cement sand, no additional water or other liquids can be added.

5. Stirring must be careful. Waterproofing mortar or mortar must not contain hard pieces or raw powder, otherwise it will make the waterproof layer uneven and affect the waterproof effect.

6. The yin and yang corners should be rounded or solidified with a yin corner trowel. No cracks should appear in the overall waterproof mortar layer.

7. The waterproof height of the bathroom wall must not be lower than 1.8 meters, and the wall height of the kitchen and balcony must be 0.5 meters.

8. The floor drain is covered with a waterproof layer from the inside to the outside. Because it is easy to leak water, it can be wiped several times. The elevation of the floor drain should be lower than its surrounding height.


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