第三方认证
回到列表中
NF052 - Clay/ceramic chimney products
Certification manual
Certification Manual NF
Documents
Référentiel de certification (FR)

Scope of the programme

Products covered:
  • Clay chimney,
  • Flue blocks with solid walls or walls with vertical perforations,
  • Flue blocks with vitrified interior and / or exterior surface,
  • Insulated flue blocks.

Certified characteristics

  • Temperature class,
  • Resistance to chimney fire,
  • Safety distance to combustible materials,
  • Airtightness,
  • Mechanical characteristics,
  • Resistance to condensation,
  • Corrosion resistance,
  • Abrasion resistance.