Cleating a cracked top on a Martin DM. – SF Guitarworks
Today we fixed up a Martin guitar that had several cracks in the top. To do this, we make a cleat and glue it over the crack. Sounds simple, right? The devil is in the details… First, we make a cleat out of matching wood to go over the crack. Here, Spencer has made a perfectly symmetrical hexagonal cleat out spruce: