2020BS EN 13381-1:2020 Test methods for determining the contribution to the fire resistance of structural members. Horizontal protective membranes
2014BS EN 13381-1:2014 Test methods for determining the contribution to the fire resistance of structural members. Horizontal protective membranes
2006BS DD CEN/TS 13381-1:2005 Test methods for determining the contribution to the fire resistance of structural members — Part 1: Horizontal protective membranes