How Does A Shower Drain Work
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How Does A Shower Drain Work?


The drainage process is crucial and is important because a clogged drain may cause many problems in troubles in the bathroom.

In this write-up, we will let you know about the parts of the shower drain also the process of keeping it clear.

The Drain Trap


The drainage of the shower comes with piping that has a trap. The trap is the key element of the drain. The trap of the shower drain is almost like the drain of the kitchen sink. There are different shapes of traps available in the market.

The sink traps come in p shape while the shower taps come in an s shape. The traps with S-shape will allow the water to drain vertically which clears throughout the S-shaped curve. On the other hand, traps other than S-shape drains water horizontally.

If the bottom of the shower trap seizes water, it will seal the sewer gases in the drain. The bottom of the trap area can also catch hair, soap, detergent and debris which block the drain.

Venting


When the water flow goes down during taking the shower, it makes a vacuum in the drainage. This vacuum sometimes slows the water flow down the drainage. Normally, the drainage is there for venting the water flow smoothly.

The venting allows the air to flow into the drainage and thus it works. The shower drainage may have a connection with the branch vent or with the main vent. The main vent stack has some extended inches outside the roof. If there is not any vent, the vacuum might draw off the water from the trap. The siphoning of the water makes the process completely useless.

The Shower Base And The Drainage Seal


If there is clogged water around the base of the shower, the soapy blocks may generate on the shower base thus it becomes slippery. For this reason, the design of the shower base should slope downward.

The downward sloped drain prevents clogging of water and helps to flow the water smoothly. The slope normally remains in a prefabricated shower base. But, you have to construct the base of the shower yourself when you build the shower stall on your own.

When building the base you should carefully seal the strainer of the drain for ensuring that the water doesn’t clog under the base for keeping the floor free from damage. If you are going to use the shower base in a tile shower stall then you have to seal the strainer along with the disc underlayment.

Clearing The Drainage


After using the shower several times, hair may clog in the shower drain easily and block the trap and the drain strainer. The clogged hair may trap and collect other debris. As the hair is generally clingy, when you plunge the drain it may not remove the hair clogs.

If you are not able to remove the strainer of the drain, you have to use a plunger rather than an auger. Here you can go for a chemical-based drain cleaner. But these chemicals are harmful to the pipes. The enzyme-based cleaners are the best way for keeping the drainage clear.

You need to be careful and keep the shower drain clear to make the water flow smoother and prevent the drain from being clogged.

Last Updated on May 3, 2021

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