WATERPROOFING SYSTEMS
BLANKE waterproofing systems have been specially developed to provide reliable and durable sealing in indoor wet rooms, primarily in bathrooms and shower areas. The waterproofing systems have been tested by the German building inspectorate and fulfil the requirements of DIN 18534-5. Learn about our wide range of waterproofing membranes here. Choose between the BLANKE DIBA composite sealing system or the BLANKE DISK self-adhesive solution.
BLANKE DIBA WATERPROOFING SYSTEM
The BLANKE DIBA is a composite sealing system for reliable surface sealing in indoor areas. The waterproofing membrane can be used in damp rooms such as bathrooms. Laminated with fleece on both sides, the membrane is designed for use with tiles and slabs. Various moulded parts such as corners, waterproofing membranes and collars complete the DIBA waterproofing system. BLANKE DIBA-COLL sealant, a tested system component, is used for the butt joints. The BLANKE DIBA waterproofing system, which has been tested by the German building inspectorate, fulfils the requirements of DIN 18534-5 and is suitable for all water exposure classes. The sealing membrane is not only waterproof, but can also bridge cracks and acts as a vapour retarder. For a seamless and reliable connection to the BLANKE DIBA composite sealing system, you can rely on our drainage systems with the matching sealing flange.
BLANKE DI-SECURE
Find out about BLANKE DI-SECURE, a universal cut-protection tape for protecting the sealing in corners and at wall-floor transitions. This makes sure that the sealing is not damaged when the silicone is later replaced in the corner and joint areas. BLANKE DI-SECURE is particularly thin and is self-adhesive for practical installation.
SELF-ADHESIVE WATERPROOFING SYSTEM BLANKE DISK
The BLANKE DISK is a self-adhesive sealing system that requires no additional tile adhesive. The overlapping areas react during the bonding to create an indissoluble cold weld, which immediately makes the system 100% waterproof. Matching moulded parts provide for reliable sealing in every area of application. The composite sealing is bonded to the floor and wall, after which even large format tiles can be laid straight away. For an uncomplicated and seamless connection to the BLANKE DISK composite sealing system, take a look at our drainage systems with their pre-installed, self-adhesive sealing flange.
Would you like to know more about waterproofing in the bathroom?
We explain to you what is important for professional sealing in the bathroom or wet areas. With our systems you will find seals for interior and exterior areas as a composite sealing system or self-adhesive sealing system. When it comes to professional sealing, you should always follow DIN 18534.
Why is sealing important in the bathroom?
Whether in a new building or when renovating a bathroom, sealing in the wet rooms is a must. Moisture that penetrates the building structure leads to serious damage such as mildew, mold and, in the worst case, can even decompose building components such as wooden beams. This damage always results in complex and expensive renovation.
Especially in the bathroom, professional Sealing important. If one assumes that a shower lasts an average of 5 minutes, this amounts to 75 liters of water per person in the shower area. If you extrapolate that over the course of a year, you get 27,375 liters of water, which, if in doubt, finds its way into the building structure. You also have to keep in mind that an average of 2-4 people live in a household, so you can limit the amount of water to 109,500 liters per year, which covers an area of approx. 1m². In comparison, the amount of precipitation in 2021 was 590 liters per square meter.
A correct and high-quality seal, especially in the bathroom, is therefore essential. Silicone is not an alternative to sealing. Even tiles on walls and floors do not change the need for sealing. There is no guarantee that water will not run through the joints at some point or that silicone will become brittle.
When you turn to a professional for bathroom renovation, you usually talk to the tiler. This and other trades that build and renovate bathrooms must be familiar with the standard DIN 18534. This standard explains water impact classes and crack classes for substrates.
What types of sealing or sealing materials are there?
In residential buildings, liquid waterproofing is often used, which is usually a polymer dispersion. Mineral sealing slurries or reaction resins are also available as alternatives. These are often more expensive and are designed for heavier use. It is important to always maintain the correct layer thickness when sealing. With liquid sealing, this is achieved through a multi-layer application.The simplest and safest type of sealing is to use waterproofing membranes. The big advantage of membrane sealing is that you no longer have to worry about applying different layers. There are also suitable molded parts for every application, for example inside and outside corners or molded parts for niches and projections. If you use it properly, you can be sure that every corner stays dry. The sealing membranes are attached to the substrate using tile adhesive. When using a waterproofing membrane or also called composite sealing, it is important to ensure that the joints of the individual molded parts are always glued in an overlapping manner according to the manufacturer's instructions in order to create a tight seal.
Composite sealing systems and waterproofing membranes
Called waterproofing membranes or sealing membranes, are used to securely seal walls and floor surfaces in showers, bathrooms and wet rooms in residential and commercial areas. Sealing membranes are also used for swimming pool construction or outdoors, for example for building terraces and balconies. The strips are always placed under the tile covering or top floor covering and fixed and glued with tile adhesive or another adhesive medium. Sealing membranes are available pre-assembled as rolls as well as from building materials or tile retailers as cuts or sold by the meter.
Our waterproofing membrane BLANKE DIBA is, depending on the version, for indoor use and suitable for outdoor use. It is waterproof, flexible, crack-bridging and decoupling. All BLANKE sealing systems have a building inspection certificate and are for the Suitable for professional applications or sealing.
How do I process a seal correctly?
Preparation
For professional sealing, you should put together all the components that are needed for the respective room in advance.
- Sealing membrane
- Fittings such as corners or pipe sleeves
- Glue
- Drainage gutter or built-in parts, such as niches that have to be installed in advance
Under no circumstances use a combination of different manufacturers! The warranty does not apply here. Always stay in one system to ensure that material properties or incompatibilities lead to leaks.
Substrate preparation and processing of the sealing membrane
Typical building surfaces such as plaster, screed or drywall elements should be primed in advance. The prerequisite is that the substrates are ready for installation and are even. After the primer has dried, the tile adhesive is combed on in a composite sealing system and the waterproofing membrane is pressed into the adhesive bed. Make sure that the seal is worked in without any wrinkles and that no bubbles form. You can proceed here in a similar way to wallpapering. Cut the sealing to the desired length in advance. You can then lay out the strip from top to bottom and place it in the fresh glue. Then brush again with a spatula to remove any bubbles and wrinkles. Only use a plastic spatula, which cannot damage the seal under any circumstances. The spatula must not have any sharp edges.
Caution is also required after tiling
Even if the tiles are laid and protect the seal on the surface, the seal can still be damaged. For example, when replacing or renewing joints or silicone, always be careful not to damage the seal. The seal can also be damaged when attaching a shower fitting or installing hooks. Always make sure not to perforate the seal if possible.
There are now many components for the shower area that you can use or install without having to pick up a drill. These products were specially developed so that there is no need to drill into the tile and a different type of installation is possible. For example, take a look at the practical corner shelf BLANKE ECKBERT Shower items and shampoo find their place here without you having to screw a shelf to the wall.
Composite sealing BLANKE DIBA
In this application video you will get an impression of how to use our sealing membrane BLANKE DIBA Process correctly.
Our composite sealing system was specially developed for the safe and long-lasting sealing of bathrooms and showers. You can use this system with the help of tile adhesive and BLANKE DIBA COLL. You will find suitable fittings for all applications.
Self-adhesive sealing BLANKE DISK
With us you get a practical alternative to conventional waterproofing membrane with tile adhesive. The BLANKE DISK is self-adhesive and can therefore be used without drying times and with little effort. Handling is particularly easy here. With this system you also get suitable fittings for all applications.