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Toilet flange too close to the wall (How to adjust it?)

A short overview of the toilet flange:

A toilet flange is a toilet component located at the lower section at the entry point of the drainage pipe, which enables the waste to be flown to the exit pipe, which is extracted through the toilet’s septic tank. If the toilet flange’s location is defective, it will create a worse experience for the user, as it may yield unwanted sewer gas from the drainage pipe. So it is very crucial to maintain the standard distance between the wall and the flange. toilet flange

The importance of the toilet flange

You need to know the importance and significance of the toilet flange in order to experience the immense pioneering feature that it provides us and thus will help to increase the credibility of this item in the ambiance of the toilet.

A flange ensures that toilet waste is channelized all the way to the toilet’s septic tank. And it is considered the entry point through the drainage pipe. Wax rings, bolts, and other toilet parts make it possible to prevent the foul smell of waste from the flange. It is crucial to check the flange’s condition because the core element in the room makes it possible to dump waste in its proper channel.

What is the standard distance between the flange and the wall?

There is a standard distance between the wall and the flange. If you do not maintain that distance, the washroom system will have a bad impact. Standard drywall is mainly 1/2 inch thick, and this thickness is measured with measuring tape. It would be prudent if your toilet flange was placed at least 15 and a half inches from the center point of the flange to the framing of the wall. The standard measurement of the distance from the back wall is 12 inches from the middle point. The optimum measurement of the flange height is to be set one-fourth of an inch above the finished floor. The standard distance must be maintained in order to get a flexible ambiance in the washroom.Distance between the flange

What happens if you set the toilet flange close to the wall?

Everything is based on the proper measurement and calculator, and the distance between the flange and the backside wall of the toilet is not an exception to this. Insufficient distance between the wall and the flange can create a nuisance and have bad effects on the toilet, and those consequences have been discussed here in a brief manner.

If there is not ample space between the wall and the flange, then the plumber will face a shortage of space for sufficient measurement and plumbing work. The space shortage can be very grumpy and uncomfortable when you are on the toilet. The toilet’s mechanism will be hampered if the distance between the wall and the flange is not up to the mark. The flow of waste into the system might not be up to the mark, and that may cause severe damage and irresistible clogs in the system.

How should you adjust the toilet flange too close to the wall?

There are lots of certified methods of adjusting the toilet flange too close to the wall. Maintaining a proper distance is very important between the toilet flange and the wall, and here are six methods that are for readjusting the distance.


The first tragedy is arranging the new module for the tower; nothing too fancy about that. Creating a new chamber for the toilet that is backed up by the backside of the wall is called the alcove of the wall. The nook is created underneath the back portion of the wall. The dimensions and length of the alcove are defined by a set of strategies and a manual book. The alcove is built inside the drywall located at the toilet’s rear corner.


Another strategy related to the drywall is making a proportionate cut inside the drywall. A blocked cut around the drywall is to be carved after you have measured the exact cutting position with a measuring tape. You need to ensure that you are cutting only a 4 to 5-inch deep portion of the alcove, as that is all the space you will require behind the toilet.


Another colossal strategy is to add a layer of plywood in the predefined alcove section to look clean and majestic. You can add a board of plywood or a vent water board to compensate for the cutting section you previously did to make enough room for the package from the backside of the wall. When the hole has been cut, you need to add 3/4-inch plywood to that part of the wall so that it looks silky and smooth.


Relocating the flange is another option, but keep in mind that it will cost a lot of money because, in that case, you need to relocate almost all the bathroom ingredients. The only thing that is common about this method is that it will cost an astonishing amount of money, but if you can follow this process, it will be best for the bathroom and the power itself. If you follow these colossal techniques, it will be very easy to maintain a standard distance between the flange and the backside of the wall.


Hi, I am Jose S. Franz. Currently, I am working as a professional plumber, and our team offers various plumbing services at an affordable price. After my college education, I completed a vocational certification course in plumbing systems and worked with several construction companies. Since then, I have fixed lots of different toilet models, from older to the latest versions. So I have more than 22 years of experience installing plumbing systems and toilets in both residential and commercial buildings.

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