UNI EN 1856-1 : 2009

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Manufacturer's declaration for type test
5 Dimensions and tolerances
6 Performance requirements
   6.1 General
   6.2 Mechanical resistance and stability
        6.2.1 Compressive strength
        6.2.2 Tensile strength
        6.2.3 Lateral strength
   6.3 Resistance to fire (internal to external)
   6.4 Sootfire resistance
   6.5 Hygiene, health and environment, gas tightness
   6.6 Safety in use
        6.6.1 Thermal performance at normal operating
               conditions
        6.6.2 Accidental human contact
        6.6.3 Thermal resistance
        6.6.4 Water vapour diffusion resistance
        6.6.5 Condensate penetration resistance
        6.6.6 Rainwater penetration resistance
        6.6.7 Flow resistance
        6.6.8 Other requirements for terminals
   6.7 Durability
        6.7.1 Durability of the flue liner against corrosion
        6.7.2 Flue liner material specification
        6.7.3 Freeze-thaw resistance
        6.7.4 Flue liner seals.
7 Product information
   7.1 Manufacturer's instructions
   7.2 Minimum information to be included in the
        manufacturer's documentation and instructions
8 Marking
   8.1 General
   8.2 Chimney sections, fittings or terminals
   8.3 Chimney plate
   8.4 Packaging
9 Product designation
10 Evaluation of conformity
   10.1 General
   10.2 Type testing
        10.2.1 Initial type testing
        10.2.2 Further type testing
        10.2.3 Sampling for type testing
   10.3 Factory production control (FPC)
        10.3.1 General
        10.3.2 Equipment
        10.3.3 Raw materials and components
        10.3.4 Product testing and evaluation
        10.3.5 Non conforming products
Annex A (normative) - Corrosion tests
Annex B (normative) - Choice of size for type test and
         sampling
Annex C (normative) - Sampling for factory production
         control
Annex D (normative) - Factory production control
Annex ZA (informative) - Clauses of this European Standard
         addressing the provisions of the EU Construction
         Products Directive
Bibliography

This European Standard specifies the performance requiremets for single-and- multi-wall system chimney products with rigid metallic liners with nominal diameter up to and including 1200 mm, used to convey the products of combustion from appliances to the outside atmosphere.