Question
What's the best dry erase product for outdoor use?
Answer
For outdoor or semi-outdoor spots, you want a substrate that shrugs off moisture and temperature swings without warping. Two materials handle that well and one does not.
| Substrate | Outdoor use |
|---|---|
| Dry erase coroplast | Yes, waterproof and warp-resistant |
| Dry erase aluminum | Yes, rigid and weatherproof |
| Dry erase foamcore | No, indoor only |
Foamcore bows over time when humidity and temperature change, so save it for climate-controlled interiors and reach for coroplast or aluminum anywhere the weather can touch it.
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