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Uponor Siccus Mini

Uponor Siccus Mini – dry underfloor heating system

Lower than ever - For the fastest comfort

During renovation, especially in older residential buildings, low height constructions can make or break a deal during the change to an dry underfloor heating system. Uponor Siccus Mini makes this dream come true, with an easy-to-install and super thin solution that just requires one person. The low-layer design opens up multiple options for upgrading to an energy-efficient, low-temperature system, that sits closer to the final flooring.

It reaches 90 % performance within 50 minutes, providing 34 % more power in heating capacity than standard dry systems and 31 % less thermal energy than radiators – for maximum comfort. Its thin-construction and low-temperature makes it a perfect match for heat pumps, while the dry underfloor heating system allows “clean” installation directly on existing ground.

Key facts

  • Tailored to low-height floor construction
  • 15 mm thin construction
  • Only requires one installer to apply
  • One-step installation ready
  • Optimized for parquet and laminate
  • Applicable for all types of floor covering e. g. tiles, natural stone, carpet or vinyl

Your benefits

  • Optimised energy-efficiency
  • Direct flooring option
  • No waiting time for final flooring
  • No coordination of multiple trades
  • Perfect match for heat pumps
  • Non-dirty and fast installation on existing ground

Sustainable solution for renovation needs





of top performance in less than 1 hour more power in heating capacity than standard dry systems less thermal energy than radiators less gas consumption and CO2 emissions than standard

Uponor Siccus Mini dry underfloor heating components

Siccus Mini panel

  • High-load resistant material XPS 400
  • Grooves with full-surface aluminium
  • Integrated heat emission layer for less installation time

Siccus Mini panel tile backer panel

  • Synthetic fibre panel only 6 mm thick
  • Decoupling layer for flooring with tiles and natural stone
  • Avoids thermal and mechanical stress on tiles

Uponor Comfort Pipe 9.9x1.1 mm

  • Underfloor heating pipe made of PEX-a
  • Complying with ISO 22391 and fulfils oxygen diffusion resistance as per DIN 4726
  • Design pressure 6 bar at 70°C
  • Application class 4

Siccus Mini edging strip

  • Synthetic fibre strip to support wall sides and doorways
  • For installation on walls and inside doorways

Siccus Mini tape

  • Self-adhesive tape roll
  • Taping the butt joints of tile backer boards for a homogeneous surface for tiles and natural stone

Siccus Mini 230V hot cutter tool

  • 10 mm cutter tool
  • For easy hot cutting of grooves in Siccus Mini panel
  • For creation of individual piping

Learn more about the Siccus Mini underfloor heating system

Uponor siccus mini for dry installation

Step by step installation of siccus mini underfloor heating system.

Sales folder

Sales folder

Uponor Siccus Mini dry underfloor heating and cooling system

PDF 585 KB
Technical information

Technical information

Uponor Siccuss Mini dry underfloor heating and cooling system

Installation manual

Installation manual

Uponor Siccus Mini dry underfloor heating and cooling system

PDF 865 KB

More underfloor heating and cooling systems for renovation

Comfort E

  • For renovation projects
  • Electric underfloor heating with the flattest sew-up cable mat
  • Ideal solution for smaller areas in bathrooms
  • Easy planning with Uponor Comfort E Designer online tool


  • Ideal for renovation: direct laying possible on existing top flooring
  • Wet installation system with qualified fillers
  • One man installation – Jointing with the proved Quick&Easy technology
  • Optimized for tiles and natural stone