Willseal® Coreseal SAF-V is a lightweight, preformed closed-cell ethylene vinyl acetate (EVA) copolymer foam with a pre-cured, factory-applied pick-resistant sealant. It is designed to provide a watertight, dust-proof, airtight, noise-reducing, thermally insulating and UV stable primary seal for areas that can be easily damaged or vandalized in institutional or other public buildings.