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NF460 - Chimneys and metal linings
Certification manual
Certification Manual NF
Documents
Référentiel de certification (FR)
Annexe 1 (FR)
Annexe 2 (FR)
Annexe 3 (FR)
Annexe 4 (FR)
Annexe 5 (FR)

Scope of the programme

Products covered:
  • Multi-walled metal chimneys covered by EN 1856-1 (2009),
  • Single wall rigid chimneys covered by EN 1856-1 (2009),
  • Single wall rigid flue liners covered by EN 1856-2 (2009),
  • Flexible flue liners covered by EN 1856-2 (2009),
  • Single wall rigid connection elements covered by EN 1856-2 (2009).

Certified characteristics

  • Temperature class*,
  • Resistance to chimney fire,
  • Safety distance to combustible materials,
  • Airtightness class,
  • Mechanical characteristics,
  • Water resistance.
* The temperature class is in line with the isolation configurations of the DTU 24.1