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UPONOR Wirsbo-PEX is made from a plastic raw material, HD polyethylene, which has a high molecular weight.

Thanks to the cross-linking, UPONOR Wirsbo- PEX is extraordinarily strong and can withstand temperatures ranging from –100 °C to +110 °C.

UPONOR  WIRSBO has  produced enough PEX pipes since 1972 to go around the world about 50 times. Nearly all of it is still in service somewhere in the world, in plumbing, underfloor heating systems, behind washing machines, in hospitals and in countless other applications.


PE-Xc pipes and MT multilayer for the entire sector of technical building fittings and external areas:

  • Under Floor Heating Systems
  • Sanitary and drinking water domestic installations
  • Surface regulation
  • Radiator connections