3M™ Vinyl Foam Tape 4504 Black, 0.250 inch (6.0 mm) closed cell vinyl foam with acrylic adhesive. 3M™ Vinyl Foam Tape 4516, 0.003 inch (0.08mm) thick white, silicone treated paper liner is applied to the non-adhesive side of the foam so that the PVC can be cut to length and applied while leaving the liner in place. Durable, weather resistant tapes