What thickness protective flooring do you suggest for protecting a hardwood dance floor from winter traffic (shoes and boots - potentially with salt, sand on them)?

For regular winter traffic over a hardwood floor it is suggested that you choose Gym Floor Covers of 18oz or more. This is partly due to the durability and partly to do with the longer warranty associated with the heavier products. The more traffic you might be anticipating the heavier gym floor cover is suggested. The best price and warranty combination for protecting wood flooring is the 22oz gym floor cover, it would be able to handle moderate to heavy traffic with dirty winter boots.