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Cant find any info on this. Any thoughts?

Cody Boley

New Member
Im fairly new to the sign world and have recently taken on a job installing 16” tall by 3” thick reverse lit channel letters that are pin mounted into a coral rock wall. My question here is ive never installed something like this and i know adhesive caulking isnt going to hold the weight of the letters so what would be a good anchor to use in the rock to anchor these to the wall?