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
      A.1 Measure of diameter of flexible flue liner
          A.1.1 Procedure
          A.1.2 Results
      A.2 Gas tightness
          A.2.1 General
          A.2.2 Conditioning and apparatus
          A.2.3 Procedure
          A.2.4 Results
      A.3 Tensile strength
          A.3.1 Test assembly
          A.3.2 Procedure
          A.3.3 Test results
      A.4 Crushing resistance
          A.4.1 Test apparatus
          A.4.2 Procedure
          A.4.3 Test results
      A.5 Flexibility test
          A.5.1 Test apparatus
          A.5.2 Test conditioning
          A.5.3 Procedure
          A.5.4 Results
      A.6 Torsion strength test
          A.6.1 Test apparatus
          A.6.2 Test assembly
          A.6.3 Procedure
          A.6.4 Results
      A.7 Thermal performance test
          A.7.1 Apparatus
          A.7.2 Test structures
          A.7.3 Test samples
          A.7.4 Thermal test procedure
Annex B (normative) Choice of size for type test and sampling
      B.1 General
      B.2 Thermal testing
      B.3 Mechanical tests
      B.4 Gas tightness
      B.5 Samples
      B.6 Factory production control
      B.7 Nature of changes requiring further type test
Annex ZA (informative) Relationship between this European Standard
         and the Essential Requirements of Construction Products
         Directive (89/106/EEC)
      ZA.1 Scope and relevant characteristics
      ZA.2 Procedure(s) for attestation of conformity of rigid or
           flexible flue liners and rigid connecting flue pipes
           ZA.2.1 System(s) of attestation of conformity
           ZA.2.2 EC Declaration of conformity
      ZA.3 CE marking and labelling
Bibliography

This document specifies the performance requirements for rigid or flexible metal flue liners, rigid metalconnecting flue pipes and their fittings used to convey the products of combustion from appliances to theoutside atmosphere (including their supports).Vitreous enamelled connecting flue pipes are also covered by this document.Rigid flue liners can be used as flue liners for renovation or adaptation of existing chimneys and as flue linersof custom built chimneys.Flexible metal flue liners described in this document are exclusively for renovation or adaptation of existingchimneys. Flexible connecting flue pipes and extensible flexible products designed to be compressed orextended along their length are excluded from the scope of this document.This document also specifies the requirements for marking, manufacturer's instructions, product informationand evaluation of conformity.Single wall and multi-wall system chimney products are covered by EN 1856-1.