I,ve seen many references to the "dry sandwich method, but can't find a description of the method; could someone enlighten me?

THanks

generally it involves strips of plywood with a space between them, and either light or heavy gauge plates. We specify a PEX-AL-PEX with lightweight plates.

It's generally recognized as a good performer, with relatively modest material costs and relatively high labor.

Let me name some names and honor our colleagues and sponsors.

Quik-Trak, Raupanel, Climate Panel and Warmboard just to name a few.