BS EN 13859-1:2014

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Product characteristics
5 Testing
6 Assessment and verification of the
  constancy of performance - AVCP
7 Product data sheet
8 Marking, labelling and packaging
Annex A (normative) - Determination of tensile
        properties
Annex B (normative) - Determination of resistance
        to tearing
Annex C (normative) - Artificial ageing by exposure
        to UV and heat
Annex D (normative) - Product type determination
        and frequencies of testing for factory
        production control
Annex E (informative) - Example of a product data sheet
Annex F (normative) - Determination of the watertightness
        of seams
Annex ZA (informative) - Clauses of this European
         Standard addressing provisions of the
         EU Construction Products Regulation (CPR)
Bibliography

Defines the characteristics of flexible sheets for underlays which are to be used under roof covering of discontinuous roofs.

This European standard specifies the characteristics of flexible sheets for underlays which are to be used under roof covering of discontinuous roofs. It specifies the requirements and test methods and provides for the evaluation of conformity of the products with the requirements of this document.