How to disassemble a cast-iron drains to install the new version?

How to disassemble a cast-iron drains on their own?

To remove the old sewers will need the following tools:

• gas burner or a torch;
• chisel;
• Bulgarka;
• mask.

First of all, before you dismantle the cast iron drain, make sure that the pipes are "planted" in the sulfur.To do this, otkolupat piece of sealant and set fire to it, if it is sulfur, it will burn steady, blue flame.Also characteristic odor appears that with nothing to confuse.Then chisel broken pipe, thus leaving only the node that is connected to the riser.If possible, it is desirable to cut the iron to the maximum, to make way to the compound.

tubes are heated to sulfur passed into the liquid state.This is done in an open flame of a blowtorch or burner.Depending on the features of sewage, the whole process may take more than three hours. Note!For greater convenience, better job together: one person warms up the pipe, and the other eliminates them.

clear all connections from sulfur, loosens iron drain tee.If all of the sulfur flowed, it will make it easy.Further removed all traces of sulfur, and the tee is left to cool.It will take about an hour, after which it will be possible to begin the installation of new pipes.

repair sewer

iron sewer repair is often performed by "old-fashioned" way.However, modern methods of repair is significantly more effective.If there was a small pipe is cracked or chipped, it will be sufficient to use a bandage, a jar of liquid glass and cement.To begin the surface is prepared by standard procedures (cleaning and degreasing).Next mixed cement and water glass to obtain a thick mass.The finished mixture is smeared on the tube and wrapped bandage, each coil is processed mixture.

Note!The mixture dries quickly, so all the work is to be performed too quickly.

If the crack on the tube went from the top, it is possible to make the imposition of a rubber band in the longitudinal direction.Overlap is bent and pulled together by two clamps.If there is a financial opportunity, it is possible to fill the entire surface of silicon.Some time would be silicon efficient, but because it is not suitable for application to large areas and has poor adhesion to the iron, the use of it is not a long time.

Repair work on

street If you need to repair a cast-iron pipe, which is located on the street, you can use the same techniques that have been described above.However, it is desirable to make an additional fixation of cast iron pipes to be joined to the strain did not reveal a crack in the ground.If the tube is adjacent to a septic tank, the above-described methods may not work.The construction of a septic tank is subjected to seasonal fluctuations, and this can destroy the integrity of the repaired joint.

In this case, first of all used water glass, which is the top in large numbers poured mastic, which is used for the sizing of joints in prefabricated homes.In principle, the mastic and self-seals the gap perfectly, so if there is no available water glass, it can be done without it.However, it is better to make a seal with him, so reliable.

Note!For large cracks, such methods are not appropriate repairs have to replace the entire section of pipe.