what glue to use on styrofoam
Quick Scoop
Use a foam-safe adhesive on styrofoam: PVA/white glue for light craft work, low-temp hot glue for quick bonds, and foam-safe CA glue or a foamboard adhesive for stronger results. Avoid solvent-based glues, because they can melt or damage the foam.
[1][2][5]Best choices
- White glue / PVA: good for paper, light craft projects, and school use; gentle on styrofoam but not ideal for heavy loads. [3][1]
- Low-temperature hot glue: fast and convenient; use low heat so you don’t warp or melt the foam. [1][3]
- Foam-safe CA glue: best for small, precise bonds and quick fixes; not all super glues are foam-safe, so check the label. [5][1]
- Foamboard adhesive: made specifically for foam and usually a strong, reliable option for models and displays. [7][1]
- Two-part epoxy: strongest option for heavy-duty repairs, but it takes longer to cure and needs careful mixing. [3][1]
Avoid these
- Solvent-based glues, because they can eat into styrofoam or cause melting. [2][4]
- Regular hot glue on high heat, because it may deform the foam. [6][1]
Simple rule
- For crafts: use PVA or foam-safe tacky glue. [5][1]
- For quick assembly: use low-temp hot glue. [6][1]
- For strong bonds: use foam-safe CA glue or epoxy. [1][3]
If you want, I can also give you the best glue by project type—for example, crafts, insulation boards, model building, or repairs.