Quote:
Originally Posted by DaveWM
even light pressure around the perimeter during the exposure to the sun. I use WOOD clothspins, dig out some of the pva around the edge and tap them in LIGHTLY just snug. Check them after about 10-20 min and re tap them in.
Assuming this is the white hard pva not the green goo.
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Popsicle or tongue depressors too and stack/wedge them as required. Just keep in mind about tapping or "pushing" them in and knowing when to walk away. Also, take some duct or packing tape and loosely tie the mask to the crt. That way, if it happens to pop off it won't go crashing down to the ground!