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Spot bonding is not always easy to identify at first glance. Thermal imaging is certainly a big help. It is however just a indication, albeit a good indication, and should be followed up when ever possible with a forensic discovery.

TCNA, ANSI, and the NTCA publications. Who are they for, and how are they used?

The Miami sandwich tile problem finally received the recognition it deserves; two pages in the NTCA Reference Manual outlining exactly why it is such a poor practice. Earlier in 2025 the NTCA Methods & Standards Committee appointed me to be part of a sub group led by Martin Howard of David Allen Company, to gather information related to the Miami Sandwich. This group also consisted of Rod Owen of CC Owen, Jim Whitfield of Mapei, Joseph Mattice of Schulter Systems, and Scott C