Willseal® Coreseal

Flexible Closed Cell Foam

A lightweight, closed-cell ethylene vinyl acetate (EVA) copolymer foam designed to provide a watertight, dust-proof, airtight, noise reducing, thermally insulating and UV stable primary seal for both vertical and horizontal applications. Willseal Coreseal is engineered to perform in both horizontal and vertical applications. Willseal Coreseal is capable of +/- 25% movement from the mean joint size.