BS 4939:1987

This standard BS 4939:1987 Method for determination of thickness loss of textile floor coverings after prolonged heavy static loading is classified in these ICS categories:

• 97.150 Non-textile floor coverings

This International Standard specifies a method for determination of thickness loss of textile floor coverings after prolonged, heavy static loading. It is applicable to all textile floor coverings of uniform thickness and construction. It does not apply to other textile floor coverings unless the areas of different thickness or construction can be separately tested.

NOTE – A method for determination of thickness loss of textile floor coverings after brief, moderate static loading is given separately in ISO 3415.