NF P38-301:2013 Light transmitting single skin profiled plastics sheets for internal and external roofs, walls and ceilings - Requirements and test methods
2013NF P38-301:2013 Light transmitting single skin profiled plastics sheets for internal and external roofs, walls and ceilings - Requirements and test methods
0000 NF P38-301-5:2000
1999NF P38-301-2:1999 Light transmitting profiled plastic sheeting for single skin roofing. Part 2 : specific requirements and test methods for sheets of glass fibre reinforced polyester resin (GRP).
1998NF P38-301-3:1998 Light transmitting profiled plastic sheeting for single skin roofing. Part 3 : specific requirements and test methods for sheets of polyvinyl chloride (PVC).