Sponge Neoprene With Adhesive 1/4" Thick X 54" Wide X 1'

Will this work as light soundproofing on a wall? Specifically, to help dampen sound coming from the other side of the wall?

How many feet in a roll?

Is the surface slippery once laid? We are wanting something quite slippery.

Can it be cut 16"x54" as I need wider material