The life generally depends on the type of movement & type of industry. Average apprx. life would be broadly categorised from 3 to 10 years.
There are various benefits of epoxy & PU floorings like: aesthetic appeal, dust free, easy movement of man & material, brightens work space, impermeable, etc.
For open environment, Aliphatic grade or UV resistant epoxy or PU floorings are recommended.
Yes. We have food grade epoxy floorings & PUD based wall coatings which are USFDA certified.