Sound Proofing Foam / Styrofoam

A 4 feet × 4 feet styrofoam sheet is a square insulation or packaging board with the following dimensions: Length: 4 feet (≈ 1.22 meters) Width: 4 feet (≈ 1.22 meters) Area: 16 square feet (≈ 1.49 square meters) Common uses: Ceiling and wall insulation Soundproofing Lightweight construction Crafts and décor Packaging protection