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LK Group

LK Group

  • LK Systems

    LK Systems is the leading manufacturer of easy-to-install systems for heating and tap water distribution and pre-insulated pipes in the Nordics. Through our prefabrication factory, we also provide tailor-made solutions that simplify the installation process even further. Svenska English Norsk Suomi

  • LK Armatur

    LK Armatur is a leading producer in Europe, manufactures millions of valves per year for the global HVAC market. Our solutions are based on a comprehensive view of how valves, control units, components and prefabricated products work together. Svenska English Deutsch Italiano Yкраїнська Suomi

  • LK Pex

    Our PEX Pipe Extrusion business area is an innovative manufacturer of high-quality plastic pipes for the heating and plumbing industry. Our core is the efficient, high-technology production process for crosslinked PE-Xa pipes, resulting in products with a unique combination of flexibility and hydrostatic strength. English

  • LK Group

    LK is a family-owned trading and production group, operating on a global scale within the HVAC-area. We are the market leader in Sweden and has an increasing sales of products, systems and solutions in the Nordic countries, Europe and the USA. Svenska English

On floor joists

LK HeatFloor 22

On floor joists with LK HeatFloor 22

LK HeatFloor 22 is an eco-labelled sub flooring that is load bearing and designed for joists with centres between 400 mm and 600 mm. The HeatFloor 22 replaces standard 22 mm sub flooring and is often installed at an early stage of construction and before the floor heating is installed.

HeatFloor 22 is pre-routed and the grooves must be laid at 90º to the joists. Aluminium heat distribution plates are fitted prior to pipe installation. The floor heating pipes are easily pushed into the aluminium grooves; the plates ensure heat is spread evenly across the entire floor surface. Final flooring is then “floated” above.

Product range >
  • Best solution on wood joists
  • For new-build and renovation
  • Suitable under all types of surface flooring
  • Installation height: 0 mm for new-build, 22 mm when installing over existing floor

LK Heat Distribution Plate 16

On floor joists with secondary spaced boarding LK Heat Distribution Plate

LK Heat Distribution Plate 16/20 is used when secondary spaced boarding is required. The system is ideal for those who wish to renovate an older house with joists that have varying centre distances. With this installation method, the installation height is 28 mm.

There is one additional installation method – the construction is set between the joists; here installation height is 0 mm.

In both methods, the heat distribution plate is installed in the gaps between the secondary boards and is fixed to them. The pipes are pushed into the plate’s grooves. The final flooring is then laid in place over the installation.

Product range >
  • For new-build and renovation
  • Suitable under all types of surface flooring
  • Ideal for old buildings with non standard joist spacing
  • Installation height: 0–28 mm, depending on installation method

LK Joist Plate 16

On floor joists with LK Joist Plate 16/20

LK Joist Plate 16/20 is used on floor joists spaced at 600 mm centres only and where a load-bearing floor (such as solid wood flooring) will be fixed directly to the joists.

The joist plate is fixed and laid so that the pipes run between the joists.

Once the pipes are laid in the joist plate grooves, the final load-bearing floor can be installed in direct contact with the floor heating. The total installation height depends on the thickness of the final flooring.

Product range >
  • For new-build and renovation
  • Ideal for load bearing floors, e.g. wood floor
  • For joists with centres at 600 mm only
  • Installation height: 0 mm