Fixing bathroom corners: 3 types

To make a renovation in a bathroom, you will need to take into account a large number of different nuances. In particular, after the bath has been installed, it is necessary to eliminate the gap between it and the wall. Even if it is small, sealing is imperative. Otherwise, if water gets into the bath, mold and mildew may soon form. It is not too easy to withdraw them, and the use of too expensive and poisonous means will be required. The corner on the bathtub is placed on the seam, glued with special compounds and pressed down. There is also a type of ceramic corner, but the plastic one is much more practical and has many advantages.

How and what to glue a plastic corner in the bathroom

What to glue the corner to the bathroom? There are special types of glue designed for this type of work. In particular, the adhesive must be transparent so that even if it protrudes beyond the edge of the corner, no traces remain.

The plastic corner on the bathtub will be glued correctly if:

  • Find the right glue;
  • Do not violate the installation technology;
  • The product will be of high quality.

When choosing a material on which an acrylic or clinker border can be glued, it is worth considering what the bathroom is made of. Namely, compositions made on the basis of acrylic can glue plastic, but if the plumbing equipment is made of metal, then the most common liquid nails can be used.


After installation, it is imperative to remove the remnants of the glue before they solidify.

You can use a sponge and a mild solvent for this. If the bathtub is made of such a material for which it is strictly forbidden to use a solvent, then the remainder of the glue is removed immediately after applying the corner, until the composition hardens.

If the corners need to be installed after the bath has been purchased, then the tile covering must be rinsed to remove dirt and dust. This can be done with a stiff sponge and soapy water.

After that, the surface of both the bathtub and the tile must be dried, since the glue will not adhere to the wet coating, and repeated installation work will have to be carried out. To degrease the surface of the tile, alcohol or white spirit is suitable. Too aggressive compounds cannot be used, as they can corrode the plastic corner. The glue is applied along the perimeter of the back side of the corner, but the line should be as thin as possible. To seal the joints between the bathtub and the wall, you can use a silicone sealant or a putty that is resistant to water and high humidity.

Types of corners in the bathroom

The installation of a plastic corner is required in order to eliminate the seam between the bathroom and the wall. It is these products that can be safely called practical and inexpensive means for sealing joints, especially if the opening arose due to the fact that the walls are uneven or the bath does not correspond to the size of the room.

The plastic corner against the flow of water behind the bathroom is made on the basis of polyvinyl chloride and in appearance resembles a bar in the shape of an angle, the width of which is 3-6 cm, and in length it can vary from 1.8-3 m.Installing the curbs is not too difficult, and for installation , as already mentioned, putty, sealant, liquid nails can be used.


There are different types of plastic curbs that you can put on your bathtub:

  1. Inner corner. It is an angle-shaped plastic border that is installed on the bathtub and glued to the surface of the bathtub edge and wall. This method allows for reliable insulation of the seam, which will exclude the penetration of water behind the bath.
  2. External bath corner. This is a plastic border, which is fixed on the side of the font. It is a 45ᵒ angle bar. Due to the external rim, water does not flow behind the bath, since the liquid is directed into the bowl and does not stagnate.
  3. Collapsible corner for the bath. Installing such a corner is required in stages. The model has 2 parts of the product, in particular, an internal and an external corner, intended for decoration. The installation of such a product is more complicated than in the two previous versions, but the method is quite effective.

When choosing which corner to fix on the bathroom, in order to make the seam airtight, you need to follow the situation.

If the joint is sealed between a bathtub that has already been in use, then it is best to choose self-adhesive sides.

For new plumbing fixtures, a more durable composite model is suitable.

Instructions: how to glue a corner on a bathtub

Before specialized means were used to make the joints between the bathroom and the walls airtight, simpler methods were used, due to which the seam became as waterproof as possible.

A plastic corner is the most effective solution, because it can be 100% excluded from the penetration of water behind the bath.

Previously, cement, thickened oil paint, and polyurethane foam were used as methods.


The advantages of a plastic corner are quite obvious:

  1. It is very easy to stick or cut it. In particular, a regular stationery knife can be used for cutting.
  2. Plastic is a material that can retain its attractiveness in the microclimate found in the bathroom. To be more precise, he is not afraid of dampness and constant contact with water. That is why a plastic border can last a long time. The downside is that over time, the canvas begins to turn yellow.
  3. Just take care of him. The use of special products or materials is not required to keep the skirting board clean. It is enough to wash it with a regular sponge and soapy water.
  4. The corner is reliable. It prevents water from flowing into the opening behind the bathtub.

Due to the fact that the product is plastic, it can be installed with an inclination and at the same time fixed even on an uneven surface.

Tips: how to install a corner on the bathtub against leaks

This can lead to:

  • To mold;
  • To the fungus;
  • Excessive moisture.

The plastic border must be glued strictly according to the technology so that the product fits snugly to the bathtub and to the wall. This is the only way to carry out the correct installation, in which the waterproofing will be correct and without defects. Due to the fact that the plinth is sold in large footage, when framing the bathroom, you will need to first cut it into small elements. First, the corners are formed, then other parts are cut. Then fitting and gluing is required.


It is worth noting that for complete confidence that there will be no appearance of pathogenic bacteria, it is worth treating both the corner itself and the surface of the bathtub with tiles with special antiseptic compounds. After they dry, the corner is installed.

The gap between the bathroom and the wall can remain free, and it is closed with a corner, or it can be filled with silicone sealant to improve sealing. In this case, you will have to wait until the composition dries, and only then install the corner. Special plugs are put on the edges of the corner so that the finish of the bathtub looks complete, and sharp cuts could not cause a cut on the skin when using plumbing equipment.

How to properly glue the corner on the bath (video)

Corners can be purchased at any store that sells building and finishing materials. It is white corners that come into the assortment in large quantities, but you can often find decorated with various patterns.

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