BS EN 13859-2:2010

Flexible sheets for waterproofing. Definitions and characteristics of underlays. Underlays for walls | Status: Revised, Superseded, Withdrawn

1 Scope This European standard specifies the characteristics of flexible sheets for underlays for walls which are to be used in walls behind outside wall coverings in order to avoid penetration of wind and water from outside. It specifies the requirements and test methods and provides for the evaluation of conformity of the products with the requirements of this document.