The most common mistakes when installing Geberit and how to avoid them?

Added: Wednesday, 1/29/2025


The installation of the Geberit concealed frame is one of the main stages of designing a modern bathroom. Proper execution of all activities guarantees durability, functionality and aesthetics of the room. Check how to properly install the Geberit concealed frame? How to avoid the most common errors during installation?

Nowoczesna łazienka z geberitem podwieszanym

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Inadequate preparation of the surface for Geberit installation

The Geberit concealed frame is a solution desired by users, which allows for aesthetic concealment of water and sewage installations and creation of a minimalist space in the bathroom.

Selnova Compact Premium Wall-hung washdown toilet bowl, B35.5cm, H33cm, T49cm, short, concealed fixings, Rimfree 500.377.01.2 However, during the installation of the system, mistakes can be made that negatively affect the quality, functionality and durability of the installation. One of the most important is the improper preparation of the surface for the installation of Geberit.

Lack of leveling of the wall or floor may result in the inability to maintain a stable structure, especially when plasterboards used as Geberit casings have been used. Gypsum is not a material resistant to significant stresses, although this parameter can be increased by using ceramic tiles.

To avoid difficulties, it is worth checking the level and plumbness of the surface carefully before starting the installation , using a spirit level and masonry battens. In the case of unevenness, use a self-leveling mass on the floor or a smoothing compound on the walls, which will ensure proper preparation and stability during installation. Let us add that a properly prepared substrate for the installation of the frame will facilitate the later connection of the water and sewage system and the implementation of the installation in 12.5 mm thick plasterboard.

To put it systematically, improper preparation of the surface for the installation of a concealed frame can lead to five serious problems:

  1. Structural instability. If the surface is not properly leveled or clean, the frame may be mounted unevenly. This leads to instability and, as a result, potential damage to the structure, e.g. deformation or cracks in the walls.
  2. Increased risk of corrosion. Moisture, dirt or leftover building materials can encourage corrosion to develop on the metal parts of the frame. As a result, this can shorten the life of the structure and cause it to weaken.
  3. Problems with acoustic and thermal insulation. Lack of proper surface preparation can lead to improper attachment of insulating materials, which in turn deteriorates the acoustic and thermal properties of the rooms.
  4. Increased risk of assembly errors. An unprepared surface may make it difficult to precisely attach the frame, which in turn leads to difficulties in further assembly, e.g. when laying plasterboard.
  5. Aesthetics. If the frame is mounted unevenly, it may lead to unevenness, making the Geberit installation unsightly.

It is equally important to ensure a dry and clean surface on which the Geberit frame will be placed.

Incorrect selection of the height of the toilet bowl

Cersanit rimless Etiuda CleanOn wall hung toilet bowl, without seat K670-002 Incorrect selection of the height of the toilet bowl when installing a concealed frame can lead to several problems, both functional and aesthetic:

  • The comfort of use will be disturbed when a toilet bowl that is too high or too low causes discomfort when using the toilet. A bowl that is too low forces you to bend down, which is uncomfortable, and one that is too high can make it difficult to get up, especially for the elderly or those with limited mobility.
  • Incorrect ergonomics, understood as an inappropriate bowl height, can lead to incorrect body posture when using the toilet, which can contribute to back pain, leg pain and other ailments related to the musculoskeletal system, especially with frequent use.
  • Installation problems caused by incorrectly selected bowl height. This can lead to difficulties in precise installation of the frame, which results in uneven installation and difficulties in matching to other installation elements (e.g. water drain, flush button).
  • The aesthetics of the workmanship will leave much to be desired. The wrong height of the bowl can negatively affect the aesthetics of the bathroom, especially if the difference in the level of the bowl and the rest of the equipment is noticeable. Level irregularities can spoil the overall appearance of the room.
  • Additional costs and corrective work : If the toilet pan is installed at the incorrect height, expensive and time-consuming corrections to the installation may be necessary, resulting in additional costs and inconvenience.

To avoid these problems, it is important to choose the height of the toilet bowl according to the recommendations of the frame manufacturer, taking into account the ergonomics and comfort of users, as well as the specifics of the room. It is recommended that the upper edge of the ceramics is at a height of about 40-45 cm from the floor. The Geberit toilet bowl meets all the requirements recommended by specialists.

Incorrect measurement of the length of sewage pipes

Incorrect measurement of the length of sewage pipes when installing a concealed frame can significantly complicate the installation process and even cause the system to leak. As a result, water will penetrate the walls, causing dampness, mold growth, and structural damage.

Jasmin rimless toilet seat, white CDJD6ZPW A pipe that is too short will prevent connection to the sewage system, while a pipe that is too long may cause it to bend, which will impede the proper flow of sewage and increase the risk of blockages.

Incorrect measurement of the length of sewage pipes also makes the installation itself difficult. On the one hand, the installation will require the use of additional connecting elements, on the other, a pipe that is too long will certainly make it difficult to place the concealed frame in the right place.

In extreme cases, if the pipe length is incorrectly selected, it may be necessary to dismantle the frame or other installation elements again to adjust the pipe length. This involves additional costs in labor, materials and time.

For these reasons, it is very important to accurately measure the length of the sewage pipes before installing the frame, taking into account all distances and slopes, as well as verifying the dimensions according to the design and manufacturer's recommendations. This is an effective method that allows even self-installation of the concealed frame.

The Onninen wholesaler offers construction elements of the renowned Geberit brand, which ensure reliability, quality and ease of installation. Thanks to the wide range of Geberit concealed frames and accessories, every customer - both individual and professional contractor - will find the right solutions for their bathroom. High quality materials, precise workmanship and modern technologies make the Geberit frame an investment that will serve for years.

Check out Geberit frames at the Onninen wholesaler