Reply To: How to secure the back of a picture frame?
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21 October 2016 at 8:48 pm
#141735
If you use any kind or paper or cardboard backing, and professionals are known to do that so there is a good seal all around, make sure that it is acid free, especially if you value the object being framed. I have framed black and white photographs, and have used acid-free tape, also.
Acid is part of the photograph development process, so photos are especially sensitive over time. This really goes for anything in a frame or even photo albums. It’s a bit more expensive, but your great-grandchildren won’t have to squint to figure out what is behind the glass.