Kermi x-net C17 hook & loop system - the tool-free installation system

x-net C17 klett system Tool-free installation system – quick, safe and with maximum retention strength.

underfloor heating for wet screed. Great flexibility and installation freedom make the x-net C17 klett system an ideal solution for surface temperature control. Tool-free and flexible pipe laying as well as the best floating screed properties allow the pipes to be laid particularly quickly and rationally.

Kermi x-net C17 hook & loop system - underfloor heating for wet screed

x-net C17 benefits

  • Heating and cooling
  • Tool-free pipe fixing
  • Flexible pipe laying
  • Easy repositioning
  • Pipe fixing without gaps
  • No permeation through the insulation layer
  • Unbeatably fast insulation laying
  • Best-suited for floating screeds
  • Easy processing of remaining pieces of insulation

Kermi benefits

  • Large format hook and loop rolls to lay insulation quickly
  • High retention force of the hook and loop fixing, through components which are optimally coordinated
  • PE-Xc x-net 5-layer pipe 16 x 2
  • Insensitive to dust and dirt
  • Pipe guide aid with great adjustment range
  • No unwanted adhesion of the hook and loop pipe thanks to special cardboard packaging
  • Heating technology tested according to DIN EN 1264 and DIN Certco-certified
  • x-net makes up part of the "Kermi x-optimised heating system" - from heat source to transfer - all from a single source.
  • x-net hook & loop rolled fleece is self-adhesive on virtually all subsurfaces and due to the low height of only 6 mm, particularly suitable for use in refurbishment


x-net C17 klett system

Kermi x-net C17: hook and loop insulation and hook and loop pipe
Kermi x-net C17 klett insulation and klett pipe − all you need for perfect, tool-free installation.
Kermi x-net C17: easy one-man installation of pipes
No tools needed, so pipe fixing is fast. Easy one-man installation.
Kermi x-net C17: interlocking of hook and loop tape of the pipe with hook and loop sheet of the insulation panel
The klett strip on the pipes grips the klett sheet on the insulation panel and thus ensures maximum holding strength.

x-net C17 klett insulation

Kermi x-net C17: x-net C17 hook and loop roll with installation surface of 10 m² per roll
x-net C17 klett roll in various insulation thicknesses with a coverage area of 10 m² per roll.
Kermi x-net C17: straightforward cutting of hook and loop roll with x-net cutting knife
Cutting with the x-net cutter knife is remarkably easy. Clean cutting edges are made without effort and without residue.
Kermi x-net C17: x-net adhesive tape for straightforward, fast and reliable connection of insulation joints
Insulation joints are connected simply, quickly and securely with the x-net adhesive tape.
Kermi x-net C17: x-net C17 hook & loop vylene roll with only 6mm height
x-net C17 klett vylene roll, with a thickness of just 6 mm, is particularly suitable for renovation work.

x-net 5-layer PE-Xc hook and loop pipe

Kermi x-net C17: remaining pipe stays protected in the packaging
Remaining pipe stays in the packaging, where it is protected against dirt and damage and ready to be transported at any time. No unintended adhesion.
Kermi x-net C17: pipe and pipe connection tested according to DIN 4726 and DIN EN ISO 15875
Pipes and pipe connectors as defined in DIN 4726 and DIN EN ISO 15875 are tested and monitored regularly by an accredited independent testing institute.
Kermi x-net C17: removing the hook and loop tape at the end of the pipe for distributor connections
For the manifold connections, the hook & loop tape at the end of the pipe can be removed easily from the pipe end.

Detailed solutions

Kermi x-net C17: subsequent adjustment of position and threading on to distributor
Subsequent position adjustment allows easier threading onto the manifold, for secure enclosing of the screed.
Kermi x-net C17: wide adhesive foot and lateral plastic reinforcement
The wide adhesive foot and lateral plastic reinforcement ensure vertical stability and straight-line positioning - for safe expansion joint profiles which meet the standards.
Kermi x-net C17: flexible installation distances
The flexible installation spacing also allows adjustment to unusual room geometries.

x-net edge insulating strips H 160 mm

Kermi x-net C11: adhesive strips for fixing the x-net edge insulation strip (H 160 mm) to the wall
Adhesive strip for wall-fixing of x-net edge insulation strip H 160 mm. Height adjusted to the floor structure so that there is no adhesive residue visible in the wall area afterwards.
Kermi x-net C17: protective film of x-net edge insulation strip H 160 for optimum sealing
The protective film on x-net edge insulation strip H 160 provides an optimal seal on the level hook & loop insulation.
Kermi x-net C11: multiple tear-off perforations
Multiple tear-off slits for fast tool-free cutting of the edge insulation strip without leaving marks on the wall plaster.

x-net Pipe guide aid

Kermi x-net C17: x-net pipe guide prevents adhesion of hook and loop pipe
Prevents unintentional adhesion of the klett pipe, ideal for laying over large distances or into other rooms.

With the pipe guide aid, the flexible C17 klett pipes can be laid quickly and efficiently even through several rooms. The unwinding unit can stay in one place and does not always need to be moved along. The pipe slides securely through the pipe guide without unwanted adhesion.


  • Quick installation
  • Easy to move
  • Telescopic design from 650 to 1100 mm
  • Moveable pipe hook
  • Open pipe hooks to easily clip the hook and loop pipes in and out while fitting them.

x-net controls

Heating comfort at the press of a button.

Clever control for panel heating and cooling. This means the desired heating comfort can be set individually for every room. Clever control also means: save cleverly. x-net control is available in two product lines, to precisely suit the respective requirements.

x-net connect

Two problems - one solution.

Kermi does away with uncontrolled heat dissipation - with the x-net connect systems, heat is selectively guided past the screed by the underfloor heating manifold, allowing efficient and controlled heating operation. This allows significant heat losses to be avoided in this area.

x-link® plus

The perfect combination of design radiator and underfloor heating.

The connection fitting with a white or chrome cover perfectly fits the 50 mm connection of the compact bathroom radiator.

Smart Home with x-center base

Heating control at home. Easy while out and about.

Simple and easy control of your floor heating/-cooling on your tablet.

Controlling the heat in your own home when you want and where you want - Kermi Smart Home makes it possible. The intelligent system for digital, location-independent control of the "Kermi system x-optimised" conveniently conducts all the components of the heating system via smartphone and tablet. Other devices such as home lighting or shutters can be incorporated into the system.

Using x-center base, the headquarters of Kermi Smart Home and with your comfort control, you can easily control your x-net underfloor heating/cooling while at home or while out and about and control the room temperature. For intelligent living and maximum comfort for a sense of well-being.

Find out more

Kermi: Clear advantages. Complete service.

Comprehensive Kermi system x-optimised

  • Energy savings up to 34 %
  • Optimally matched components
  • Everything from a single source, from planning to commissioning
This means "Kermi system x-optimised" 12 good reasons for Kermi system x-optimised Download technology manual
Kermi - Zertifizierte Qualität

Certified quality

  • Kermi is certified according to DIN EN ISO 9001;2008, 14001:2004 and 50001:2011
  • Components comply with current standards and directives
  • Regular monitoring of core components by independent testing institutes
Kermi download technical data sets

Support with order process and planning

  • Support with order preparation
  • Support with a wide range of services during system planning
  • Dimensioning data set for liNear software
  • Comprehensive software for dimensioning rooms
  • Comprehensive information material
  • Extensive technical Internet portal
Kermi x-net C11: with outstanding customer service

Complete customer service

  • Nationwide service team as well as field service teams for fast on-site assistance
  • Competent in-house service team for fast telephone assistance
  • Professional, unbureaucratic processing of complaints
  • Detailed initial training on-site
  • Detailed planning and design consultation
Kermi system knowledge down to the last detail

System knowledge in great detail

  • Carefully engineered system technology developed in-house for easier, fast, safe work
  • Many Kermi innovations
  • Kermi special solutions for practical application by tradespeople


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