Q: I notice that the materials on non-tensioned projection screens may curl at the sides while tensioned materials seem to flatter. What causes this curling?

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Q: I notice that the materials on non-tensioned projection screens may curl at the sides while tensioned materials seem to flatter. What causes this curling?

Curling is commonly caused when a non-tensioned screen is in a room temperature below 65°F, but will maintain a relative state of flatness between 65-85°F (18.33°C-29.44°C). Curling does not distort the image, but for those interested in reducing side curls, Elite offers “FG” or a fiberglass-backed material that greatly reduces curling.