
Masters in two classes: Sealing and decoupling
Our 2-in-1 systems for bathrooms and wet rooms have a clear advantage: They provide a secure sealing against moisture ingress with a 10-year warranty in the system. At the same time, wedi offers you the solution for efficient decoupling: Wedi Nonstep Plan impact sound insulation boards and the crack-bridging decoupling membrane Subliner Flex for safe voltage decoupling.
Rely on quality and ease of use. For us, "smart solutions" mean that you save time and gain reliability on the construction site.

Decoupling and sealing in one operation
Bonding, sealing, fastening, decoupling and installing impact sound insulation - with wedi building systems, you save time at every step, because every component interlocks with one another. Our system accessories ensure reliable performance on any substrate and in every construction situation
- Safe (stress) decoupling under ceramic floor coverings, laminate or finished parquet: For this purpose, we have developed the wedi Nonstep Plan footfall sound insulation.
- Reduce disturbing footfall sound: The recyclable sound insulation fleece wedi Nonstep Pros can be installed under the wedi Fundo shower elements.
- Protection against water ingress: For this purpose, we have developed the sealing membranes wedi Subliner Dry and Subliner Dry & Flex. Joint reinforcement tape and cut-resistant tape round off the range.
Key advantages at a glance
Liquid sealants, membrane and plate-shaped seals: Each of these three variants has its advantages. This speaks for wedi building boards for sealing and decoupling:
- High stability and load-bearing capacity, for example under tile coverings
- Unevenness can be compensated, making it ideal for drywall construction and renovation projects
- Ready to use immediately without drying times
- Connection of sealing and decoupling by 2-in-1 system

Sealing and decoupling with system reliability
all wedi price list items with a building sealing function are covered by the 10-year wedi warranty.
With wedi, you choose guaranteed reliability in the system.

Training for sealing and decoupling wet rooms
Compact, expert, practical: The wedi Experts Training Academy brings the important application knowledge to the point. Even when it comes to sealing and decoupling in wet rooms. Our cooperation events with ARDEX and Gutjahr, for example, enrich the offering.
It's worth registering – just take a look at the program right away.