Triplelock Plus

Triplelock Plus is a single wall stainless steel flexible flue liner manufactured by Schiedel. Triplelock Plus is designed for atmospheric gas and kerosene appliances where the flue gas temperature does not exceed 260°C.
Flexible flue liner should only be used to line existing flue or masonry chimneys.


  • Available in 100, 125, 150, 180 and 200mm internal diameter.
  • Constructed from corrosion resistant 316L stainless steel.
  • Deep corrugations for high crush resistance and better flexibility when installing.
  • Strong seam construction resists the rigours of pulling the liner into place during construction.
  • Leak resistant construction due to dovetail folded seam.
  • Range of flue boxes available with fast-fit spigots.
  • Can be purchased in kit form, including liner, clamping plate and terminal.


  • CE certified to EN1856-2 TÜV 0036 CPR 9195 043 with designation:
    T300 N1 W V2 L50010 O



  Filename Format  
Triplelock Plus CPD Certificate Triplelock Plus CPD Certificate .PDF
Triplelock Plus DoP Triplelock Plus DoP .PDF
Schiedel Flexible Liner Brochure Schiedel Flexible Liner Brochure .PDF
Flexible Liners Instructions 2022 Flexible Liners Instructions 2022 .PDF