I.S. EN 1806:2006

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Types of flue blocks
5 Materials
   5.1 Flue blocks
   5.2 Insulation
6 Tolerances on dimensions
   6.1 Internal transverse dimensions
   6.2 Height
   6.3 Angles
   6.4 Straightness
   6.5 Squareness of ends
   6.6 Squareness of angles and flatness of walls
   6.7 Joints
   6.8 Bonding extension
   6.9 Tolerance on insulation thickness
7 Proof load
   7.1 Straight flue blocks
   7.2 Angle flue blocks
   7.3 Minimum load for inspection opening sections
   7.4 Adhesion between outer wall and insulation
8 Gas tightness and thermal shock resistance
   8.1 Straight flues blocks
   8.2 Angle flue blocks
9 Condensate resistance
10 Corrosion resistance
11 Water absorption and bulk density
   11.1 General
   11.2 Water absorption
   11.3 Bulk density
12 Abrasion resistance
13 Flow resistance
14 Thermal resistance
15 Resistance to fire
   15.1 Internal to external
   15.2 External to external
16 Resistance to freeze/thaw
17 Evaluation of conformity
   17.1 General
   17.2 Initial type testing
   17.3 Further tests
   17.4 Factory production control
18 Test methods
   18.1 Internal transverse dimensions
   18.2 Height
   18.3 Angles
   18.4 Straightness
   18.5 Squareness of ends
   18.6 Squareness of angles and flatness of walls
   18.7 Proof load
   18.8 Thermal performance tests
   18.9 Corrosion resistance test
   18.10 Water absorption
   18.11 Bulk density
   18.12 Abrasion resistance
   18.13 Condensate resistance test
   18.14 Adhesion test for insulation attached to
         outer wall of flue blocks
19 Designation
20 Marking, labelling and packaging
Annex A (normative) Measurement of the coefficient of
        friction of chimneys
Annex B (normative) Thermal resistance
      B.1 Method 1: simplified calculation for flue blocks
          without cavities
      B.2 Method 2: thermal resistance of flue blocks with
          or without cavities
      B.3 Method Approximate thermal resistance values
Annex C (normative) Sampling procedures for an AQL of 10 %
        and Inspection Level S2
      C.1 Acceptability determination
      C.2 Normal inspection
      C.3 Normal to reduced inspection
      C.4 Reduced to normal inspection
      C.5 Tightened inspection
      C.6 Tightened to normal inspection
      C.7 Discontinuation of inspection
Annex ZA (informative) Clauses of this European Standard
           addressing the provisions of EU Construction
           Products Directives
      ZA.1 Scope and relevant characteristics
      ZA.2 Procedure of attestation of conformity of
           clay/ceramic flue blocks
      ZA.3 CE Marking and labelling
Bibliography

Defines the requirements for clay/ceramic flue blocks with solid walls or walls with vertical perforations including bonding and non-bonding blocks and their fittings.