NEN EN 1051-2 : 2007

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 Conformity with the product family glass
      blocks and glass paver units
  4.2 Determination of the performances of characteristics
      4.2.1 Characteristics of glass blocks and glass
            paver units
      4.2.2 Determination of essential characteristics
            of glass blocks and glass paver units
  4.3 Durability
  4.4 Characteristics other than those listed in 4.2
  4.5 Dangerous substances
5 Evaluation of conformity
  5.1 General
  5.2 Initial type testing of the product (5.1, 2)
      5.2.1 General
      5.2.2 Type testing if products belong to the product
            family glass blocks and glass paver units
      5.2.3 Type testing of performances of characteristics
  5.3 Factory production control and inspection of samples
      in accordance with a prescribed test plan (5.1, 1a and 1.b)
  5.4 Initial inspection of factory and of factory production
      control (5.1, 1b)
  5.5 Continuous surveillance and assessment of the factory
      production control (5.1, 1c)
6 Marking and labelling
  6.1 General
  6.2 Product marking
  6.3 Product characteristics
  6.4 'Characteristics/performance identification paper'
Annex A (normative) Factory production control
  A.1 Factory Production Control Requirements
      A.1.1 General
      A.1.2 Organisation
      A.1.3 Control system
  A.2 Marking
  A.3 Inspection and testing tables of glass blocks and
      glass paver unit production
      A.3.1 Information on Table A.1
      A.3.2 Use of proxy testing
Annex B (normative) Residual stress/Thermal shock
  B.1 Requirement
  B.2 Test method
      B.2.1 General
      B.2.2 Factory production control
      B.2.3 On-going evaluation of conformity
  B.3 Evaluation of test results
      B.3.1 Factory production control
      B.3.2 On-going evaluation of conformity
Annex C (normative) Determination of the thermal transmittance
                    (U-value) of glass blocks and glass
                    paver units
  C.1 General
  C.2 Massive glass blocks and glass paver units
  C.3 Hermetic closed hollow glass blocks and glass paver units
Annex D (normative) Modelling of glass blocks and glass paver
                    units for the determination of the light
                    transmittance, light reflectance and solar
                    energy characteristics
Annex E (normative) Compression strength test method, sampling,
                    requirements and evaluation in factory
                    production control
  E.1 Glass blocks
      E.1.1 Test equipment and procedure
      E.1.2 Test specimen preparation
  E.2 Glass paver units
      E.2.1 Test equipment and procedure
      E.2.2 Test specimen preparation
  E.3 Requirements
      E.3.1 Glass blocks
      E.3.2 Glass paver units
  E.4 Evaluation
Annex F (informative) Provisions for voluntary involvement of
        third party(ies)
  F.1 General
  F.2 Voluntary tasks for third parties
  F.3 Marking and labelling
Annex ZA (informative) Clauses of this European Standard
         addressing the provisions of EU Construction
         Products Directive
  ZA.1 Scope and relevant characteristics
  ZA.2 Procedure(s) for the attestation of conformity of basic
       soda lime silicate glass products
       ZA.2.1 System(s) of attestation of conformity
       ZA.2.2 EC Certificate and Declaration of conformity
  ZA.3 CE marking and labelling
Bibliography

Describes the evaluation of conformity and the factory production control requirements of and recommendations for glass block and glass paver units.