Soundproofing Closed Cell Foam – (8 Pack) Self-Adhesive 16“ x 12“ x 1“
Keypoints for Soundproofing 【THERMAL INSULATION】: Dense thicker closed cell foam has a higher R-value than open cell foam, thus can better at keeping heat in or out of a structure. Its material is closed cell foam and its surface is eggcrate pattern, so it can better block & reduce noise.