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Stretching a Sagging Canvas

High-quality stretched canvas are known to be very archival.   A canvas can be much lighter for hanging on a wall than a solid piece of wood or metal.    But one issue with canvases is the possibility, over time, of them being slack or sagging.   A high-quality well-made stretched canvas will be less likely to do so.   But it can happen due to extreme temperature or humidity changes, age and time, being stored improperly, among other things. The best thing to do is avoid these threats to your stretched canvas to begin with.    There are several things one can do if a stretched canvas starts to sag.   Many canvas frames come with corner wedges than...

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