2019BS EN 1849-2:2019 Flexible sheets for waterproofing. Determination of thickness and mass per unit area. Plastics and rubber sheets for roof waterproofing
2010BS EN 1849-2:2010 Flexible sheets for waterproofing. Determination of thickness and mass per unit area. Plastic and rubber sheets
2010BS EN 1849-2:2009 Flexible sheets for waterproofing - Determination of thickness and mass per unit area - Plastic and rubber sheets
2001BS EN 1849-2:2001 Flexible sheets for waterproofing - Determination of thickness and mass per unit area - Plastic and rubber sheets for roof waterproofing