NEN EN 491 : 2011

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Test methods
  5.1 General
  5.2 Hanging length and squareness of regular front edge tiles
      5.2.1 Principle
      5.2.2 Apparatus
      5.2.3 Procedure
      5.2.4 Expression of results
      5.2.5 Test report
  5.3 Cover width
      5.3.1 Principle
      5.3.2 Apparatus
      5.3.3 Procedure
      5.3.4 Expression of results
      5.3.5 Test report
  5.4 Flatness
      5.4.1 Principle
      5.4.2 Apparatus
      5.4.3 Procedure
      5.4.4 Expression of results
      5.4.5 Test report
  5.5 Mass
      5.5.1 Principle
      5.5.2 Apparatus
      5.5.3 Conditioning
      5.5.4 Procedure
      5.5.5 Expression of results
      5.5.6 Test report
  5.6 Mechanical resistance (transverse strength)
      5.6.1 Principle
      5.6.2 Apparatus
      5.6.3 Conditioning of tiles
      5.6.4 Procedure
      5.6.5 Recording of test results
      5.6.6 Test report
  5.7 Water impermeability
      5.7.1 Principle
      5.7.2 Apparatus and materials
      5.7.3 Conditioning
      5.7.4 Procedure
      5.7.5 Expression of results
      5.7.6 Test report
  5.8 Freeze-thaw resistance
      5.8.1 Principle
      5.8.2 Apparatus
      5.8.3 Preparation of test samples
      5.8.4 Procedure
      5.8.5 Expression of results
      5.8.6 Test report
  5.9 Nib support
      5.9.1 Principle
      5.9.2 Apparatus
      5.9.3 Procedure
      5.9.4 Expression of results
      5.9.5 Test report
Bibliography

Defines test methods for concrete roofing tiles and fittings conforming to EN 490, for assembly into pitched roof covering or external wall cladding or internal wall lining cladding.