UNI EN 1856-2 : 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 Mechanical resistance and stability
        6.1.1 Rigid flue liners and rigid connecting flue
               pipes and fittings
        6.1.2 Flexible flue liners
   6.2 Resistance to fire
        6.2.1 Rigid flue liners and fittings
        6.2.2 Rigid connecting flue pipes and fittings
        6.2.3 Flexible flue liners and fittings
   6.3 Gas tightness
   6.4 Safety in use
        6.4.1 Thermal performance at normal operating
               conditions
        6.4.2 Accidental human contact
        6.4.3 Thermal resistance
        6.4.4 Water vapour diffusion resistance
        6.4.5 Condensate penetration resistance
        6.4.6 Flow resistance
   6.5 Durability
        6.5.1 Durability against corrosion
        6.5.2 Freeze thaw resistance
        6.5.3 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
        7.2.1 Rigid flue liners, rigid connecting flue pipes
               and fittings
        7.2.2 Flexible flue liners and fittings
8 Marking and labelling
   8.1 Flue liners, rigid connecting flue pipes and fittings
   8.2 Chimney plate
   8.3 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) - Test methods
Annex B (normative) - Choice of size for type test and
         sampling
Annex ZA (informative) - Relationship between this European
         Standard and the Essential Requirements of
         Construction Products Directive (89/106/EEC)
Bibliography

Describes the performance requirements for rigid or flexible metal flue liners, rigid metal connecting flue pipes and their fittings used to convey the products of combustion from appliances to the outside atmosphere (including their supports).