I am interested in this discussion as well, although the subject line may be a little too vague to get any bites. I have a DaLite Model B and I have noticed that on the sides there are fine "cracks" in the black border as if the paint may start flaking off with repeated rollup and rolldown cycles. I wonder if any of that special black tape that people are posting about (Develite?) would do good?
I would ask Blake Brubaker, Director of Home Theater Sales at Da-Lite, via email. He was extremely helpful when I was finalizing the custom-mask specs on my High Power screen. You can find his email address in Da-Lite's web site; if not, PM me...
Oh, and please come back and post here whatever you find out!
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