In old houses, cast-iron sewage pipes become unusable and require replacement. It is best to perform this operation directly at the beginning of the repair or when moving to a new apartment. It must be remembered that the work must be done with the necessary coordination with the neighbors, depending on which floor you live on. Of course, replacing the sewer stand in the apartment with your own hands( with the video you can see on this page), the case is complicated, requiring some qualifications and professional knowledge. We will try to present the material in the form of instructions and a number of useful tips on the product of the above-mentioned works.
Contents
- Preparing for operation
- Removing and installing the riser
- Video replacing the sewer riser with your own hands
Preparing for operation
First of all, you need to select the day of the proposed work, determine their volume and time. Further it is important to negotiate with neighbors to prevent the penetration of sewage into the apartment. Especially it concerns those who live on the lower floors. It is extremely difficult to agree if this is a multi-storey building.
Next you need to collect the necessary tools and materials. The tool will need the following. First, the angular grinder( Bulgarian) - probably better than a small size. Points for working with Bulgarians: in no case do not neglect the means of safety. Several removable drives to it. Bucket;you may need additional containers. Putty knife. Chisels. Screwdriver Set. Pipe wrench. Step ladder or a sliding ladder. Rags.
The following materials will be needed. Firstly, you need to have plaster in the required volume( the above-mentioned additional containers will be needed here) and a silicone sealant to remove cracks and gaps. Actually, the pipes themselves - to determine their diameter, length and quantity is necessary in advance, using the simplest measuring instruments - for example, a flexible meter.
Tee or spigot with the necessary connecting parameters, without it it is impossible to replace the sewer riser. Cuff for sealing( at the junction of plastic new pipes with old bell).Adapter( 1 or 2), expansion joints( for quick and easy connection), several bends( for correcting the position of the riser).Of course, you will need steel clamps - for fixing.
Dismantling and installing a riser
First you need to understand whether such drastic measures are needed. The stand must be changed when cracks, splits are visible, there are leaks, unpleasant smells. Cast iron is an incredibly strong material, but you need to understand that it also becomes worthless.
Dismantling is as follows. Two notches are made, one about a meter from the floor, the second - 20 cm from the ceiling. For these purposes, the Bulgarian is used. Then chisel and hammer( sledgehammer) perform chipping in places of incisions. It is important to make the pipe break evenly in the entire diameter. Of course, replacing the riser in the apartment with your own hands is a risky business - it's better to turn to professionals. In particular, the cleavage is a very important event. It is also very important not to damage the lower bell. A tee is inserted into it, which must be removed or cut off. Often this can not be done on their own.
Installation begins with the fact that a cuff is installed in the upper part of the plastic pipe and is lubricated with a sealant;on coupler. With the lower part of the pipe produce similar actions. Then the tube is inserted into the upper adapter, cut off about 4 cm above the bell( there is already inserted a compensator).Next, you need to make measurements, and then connect the structure. The rack is fixed to the wall with clamps, it is checked - it does not stagger. Connections are smeared with silicone to avoid leaks.
