I stick a drywall anchor in the hole when it's wollered out. It's not so much to have the back expand like it would in dry wall, but to close the gap a little bit.
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I stick a drywall anchor in the hole when it's wollered out. It's not so much to have the back expand like it would in dry wall, but to close the gap a little bit.
Check out well nuts. A little more cushioned than a drywall anchor.