Flexible sheets for waterproofing - Definitions and characteristics of underlays - Part 1: Underlays for discontinuous roofing; German version EN 13859-1:2005+A1:2008— 31 стр.
Flexible sheets for waterproofing - Definitions and characteristics of underlays - Part 2: Underlays for walls; German version EN 13859-2:2004+A1:2008— 33 стр.
Flexible sheets for waterproofing - Definitions and characteristics of underlays - Part 1: Underlays for discontinuous roofing; German version FprEN 13859-1:2009— 31 стр.
Flexible sheets for waterproofing - Definitions and characteristics of underlays - Part 2: Underlays for walls; German version FprEN 13859-2:2009— 33 стр.