Scope of the programme

• 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.