Is it okay to fill the bathroom with waterproof hollow brick slag under demolition?

Of course, it is possible to fill the toilet with waterproofing hollow bricks and slag, but this is just the base treatment of the bathroom, and the real waterproof treatment is still behind. It is recommended to use a flexible waterproof coating.

To do waterproofing in the bathroom, the first thing to do is to treat and clean the base layer, and make a leveling layer and a bonding layer.

The quality of the wall hole at the root of the floor drain and pipeline should be carefully inspected, the wall hole should be dense and qualified, and the root of the pipeline must be caulked according to the requirements during the construction of the leveling layer.

Yin and Yang Corner. It should be made in an arc shape, and straight and flat.

If there are voids, cracks, and unequal defects on the base surface, cement mortar should be used.

Repair and trowel. The base surface must be firm, flat and clean, free of dust, greasy, wax and release agent.

and other detrital substances.

The construction of the waterproof layer can only be carried out after the screed is dry, and the construction should be fireproof and waterproof during the construction. Construction workers should wear soft-soled shoes.

After the waterproof layer is completed, the finished product should be protected, and no one should walk around. After passing the inspection and confirmation, the acceptance of the concealed project can be handled.

After the visa, the next process construction can be carried out.

After the waterproofing construction is completed, the water storage test is carried out.

After more than 24 hours, no leakage is considered qualified. After the installation of the equipment is completed, the secondary water storage test is carried out.

The toilet is a falling plate treatment or a caisson structure of the toilet also needs to be treated as follows, the construction method of the caisson toilet is like this, the sunken ground first does two waterproofs, one is rigid and the other is flexible. Do a 48-hour closed water test.

A 20 mm diameter round hole is opened at the lowest part of the riser and the toilet caisson floor, and a 20 diameter pipe is inserted into the opening to a depth of 4 mm. The drain pipe points to the center of the toilet caisson floor, making it easy to install the toilet caisson waterproofer

Strictly no,. But a lot of people do it.

Backfilling the bathroom for waterproofing is removed, and space bricks can also be used, but they need to forage.

As long as the waterproofing layer is not damaged, there is no problem.

The main functions of the toilet backfill are:

1. The backfill has a certain water content. 2. The backfill should have a certain structural force, not too loose, and it is easy to sink after the backfill.

There are 3 types of materials for bathroom backfilling:

1. Slag. 2. Brick slag. 3. Perlite or ceramsite. Toilet drains and other pipes should be mated with bricks!

These three materials have their own advantages and disadvantages, 1. Slag is the best of these kinds, with better water content and a certain structure, but now it advocates environmental protection, and there is basically no cinder boiler in Changsha, so the material is relatively difficult to find. Disadvantages, slag contains sulfur oxides, and water will form sulfuric acid later, will have a certain corrosive effect on iron, sewer pipes with iron parts of the bathroom is best not to use slag backfill.

2. Brick slag is a kind of backfill material that can be found now and has relatively good performance. The disadvantage is that the water chestnut has a certain destructive effect on the waterproof layer, and it should be broken when used to minimize the destructive force per unit area.

3. Perlite, the texture is too loose, easy to cause sinking, and it is not recommended. If the original bathroom does not leak, and the waterproof layer is not damaged below, it can be directly backfilled, backfilled to the part close to the plane, and tamped with cement mortar. Then paste the wall tiles.

After sticking it to about 30 cm above the ground (the shower area is strengthened and heightened), then do the waterproofing of the wall and the ground, focusing on the waterproofing around the corners and pipes. Test the waters again. If there is a water leak before the backfill, we must urge the property to rectify it, and if you are not at ease, you can renovate it when you decorate it, and ask the decoration master to strengthen the waterproofing again, and then do the backfill.

In fact, it is not recommended to use decoration garbage such as bricks to backfill, and it is best to use ceramsite. Sharp objects are very likely to damage the waterproof layer if you are not careful, causing a lot of water leakage, and it is not easy to decorate once, so it is not recommended to take too high a risk in order to save money.