Thickness measurement
Polymers
Mass
Elastomers
Construction systems parts
Flexible materials
Waterproofing materials
Sheet roof coverings
Plastics
Waterproof materials
Sheet materials
Weather protection systems
Rubber
Link: BS EN 1849-2:2019 Flexible sheets for waterproofing. Determination of thickness and mass per unit area Plastics and rubber sheets for roof waterproofing
Source: BSI Standards
