8″ poured concrete wall. plans showed 12″ x 12″ knockout for a fan exit.
now, no fan going in and need to fill the knockout to accept masonary stucco exterior – board over foam interior.
sort of worried about cracks showing up on the exterior stucco work around the perimeter of the filled hole.
any suggested way to fill the hole that might prevent future problems.
thanks
bob
Replies
brick or block and stucco over - easy
Mark and or photograph the location though. No telling when they'll change minds back again and you need to find the hole knockout
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