Underfloor heating pipes · PE-Xb · PE-RT

PE-X and PE-RT Pipes

Our PEX and PE-RT pipes, produced specifically for underfloor heating and mobile radiator systems, offer long-lasting, reliable climate control performance with their high temperature and pressure resistance. While their superior flexibility enables fast and easy installation, their oxygen barrier technology protects the metal components in your system against corrosion, extending system life and maximising energy efficiency.

A mother and child in a living room with underfloor heating installed; red and blue pipes are visible beneath the floor.
Underfloor heating · illustrative image
General information

PEX and PE-RT underfloor heating (mobile) pipes

Plastherm PE-Xb and PE-RT pipes are produced in coils for underfloor heating, wall heating, radiator and sanitary applications. Thanks to their flexibility, both products are laid under the floor without joints; since no fittings are used, there is no point under the floor where a leak could occur.

PE-Xb is produced by cross-linking high-density polyethylene molecules using the silane method. After production, the pipes are passed through a 65 °C water bath to strengthen the bond structure. The cross-linking degree is ≥ 65%. PE-RT, thanks to its special molecular structure, offers high temperature resistance without the need for cross-linking; it is more flexible and easier to work with in cold weather.

Product groups

Products

Red PE-Xb oxygen-barrier pipe coil.
PE-Xb · 16 × 2.0

PE-X Pipes

Underfloor heating

PE-Xb (silane cross-linked polyethylene) is produced by cross-linking high-density polyethylene molecules using the silane method.

4 products
PE-X pipe coils, clips and fittings on the showroom table.
8 pieces

PE-X Fittings

Underfloor heating accessories

Pipe cap, clip, clip rail, floor fixing bracket, corner converter and spiral hose.

8 products
White PE-RT pipe coil.
PE-RT · 16 × 2.0

PE-RT Pipes

Underfloor heating / hot water

PE-RT (heat-resistant polyethylene) offers high temperature resistance thanks to its special molecular structure, without the need for cross-linking.

4 products
Advantages

Key features

  • Produced in coils for underfloor heating, panel radiator, wall heating, radiator and sanitary applications.
  • It is laid under the floor without joints; since no fittings are used, there is no point under the floor where a leak could occur.
  • The EVOH oxygen barrier prevents oxygen-induced corrosion in metal components such as boilers, pumps and manifolds.
  • Continuous operating temperature is 70 °C; maximum short-term temperature is 95 °C.
  • The minimum bending radius is 5 × D, allowing easy installation in tight spaces.
  • With proper design, 25–30% energy savings are achieved compared with conventional radiator systems.
  • In spiralled sheathed pipes, the sheath provides impact protection, reduces heat loss and allows expansion.
Technical

Technical Catalogues

PDFPlastherm Product Catalogue 20269.0 MBView Download
Technical Catalogues
Dealership

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