repair sewer bathroom

Sewage bathroom with his hands

In the case where the changes during the repair sewer bathroom, it means that part of the old pipes replaced an existing system. The installation of new pipes similar to the original installation of sewers in the construction of the building. This work can be successfully carried out their own masters . However, if there is no certainty that the replacement will be made in compliance with all the rules and did not violate the work sanitation is best to seek professional help .

preparatory work

Measurements and calculations

Before you make the drains in the bathroom, it is desirable to draw up a preliminary draft of the forthcoming work , draw a diagram to scale . The diagram is to put all the bathroom hardware that is connected to the sewerage system (such as a bathtub, sink , washing machine , toilet, bidet), mark the location of pipes and accurately record all dimensions and distances.

The process of replacing sewer pipes in the bathroom is quite specific. Typically, a variety of equipment already installed in its place , so when installing new pipes will have to consider is the location .

 

Toilet Flange, Sewer Inlet, Sewer Line – Toilet Repair

 

Some features that may be encountered during operation:

It should take into account the complexity of the laying of pipes under the bathroom . To do without removing the bath , will have to use the dock pipes of several component parts.

Connecting pipes for siphon drainage bath is performed using discharge – a pipe having a 90 degree angle .

Very convenient for the simultaneous connection of the tub and sink drain in the bathroom layout with tee – devices with a third terminal , off-axis by 90 or 45 degrees.

Pipes of different sections are joined together by means of special , funnel-shaped adapter or via the tees with a different diameter to one conclusion .

In determining the amount of diverting sewage pipes should be considered :

The diameter of the pipes. If the shell and the bath connected to pipes having a diameter of 50 mm , the connection to the toilet sewage is required pipe diameter of 100 mm .

The length of the pipe . Typically , the selling pipe length – 50 , 100, 160 and 200 cm Therefore, you should carefully measure the total length of pipe required , need to be replaced , and only then buy them .

For repair work , when it is assumed laying sewage in the bathroom , could include:

Plastic pipes of different diameters : 50-70 , 100-150 mm .
Sealing fixing the pipe into the socket .
Different plastic fittings : elbows, bends, tees , etc.
Compensator 110 mm diameter .
Appropriate diameter pipe clamps to attach them to the walls.
Inspection hatch to the riser.
Silicone sealant .
Cement.

selection of pipe

Although some indicators of plastic pipes are inferior metal , should give preference to plastic

Before you spend in the bathroom drains , pipes need to pick up the most suitable to their performance characteristics to replace the old cast iron pipe . New pipes must withstand the elevated temperatures ( up to 95 degrees ), the temperature of water discharged , for example, washing machines .

Modern plastic pipes , divided into:

Polyvinyl chloride (PVC). Thin-walled PVC pipes bad “hold” the heat, are easily damaged .
Polypropylene . More resistant to higher temperatures , but these tubes have a linear expansion coefficient larger than that of PVC pipe .

Polyethylene . These pipes are not used for practical device intrahouse sanitation.

There is a classification of plastic pipes (ISO 3633 ) , affecting the drainage device in the bathroom:

Tube type “A”. Such pipes have thinner walls and are used for ventilation device .
Tube type “B”. More expensive , compared with tubes of type “A ” , thick-walled pipes for drainage devices .

Dismantling of old pipes

The old sewage in the bathroom with their hands can be successfully dismantled. The main thing to find out in advance if there is already firmly embedded in the land walls, the dismantling of which will create difficulties.

One should also not forget that the apartment building together with a common sewer system . It is therefore necessary to calculate the work so as not to damage the pipe accidentally neighbors.

 

How to Repair a Toilet : Replace Flange Under a Toilet

Build a new piping system

The most difficult job is to replace the riser, so the installation of sewage in the bathroom should start with her. Cast iron riser is replaced by a suitable new plastic pipe : plastic pipe with a diameter of 160 and 220 mm , respectively, change the cast iron with diameters of 159 and 219 mm .

An exemplary method of showing how to assemble the drain in the bathroom:

Since installation of the riser , you must first install the crossbar or the Tee: the lower the socket is placed rubber sleeve , oiled sealant , which is fixed and the tee .

New pipes and risers must be fixed to the wall with suitable clamps.
Replacement of pipes from the bottom upwards . Sockets are facing the water.
To prevent blockages , sewer pipes are arranged inside an incline of 2 cm to 1 m pipe.
The pipes that are laid for furniture and Grooves made ​​in the wall, secured with clamps.
Before turning the water into a new system of pipes should again be good to check all joints to ensure their integrity.

Installation of sewage in the bathroom should be done carefully and , if possible, quickly. Advance preparation is to develop a detailed site diagram of the plan and the sequence of actions can greatly speed up the work and minimize time off the water to the total sanitation.

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