One of the sub-bullets in the various bids I received from the ICF contractors was one for the flooring at Tanglewood, specifically between the first floor and the second floor. For reasons of strength, insulation, soundproofing, etc. I had decided early on that I wanted to use a concrete product such as LiteDeck or InsulDeck for this part of the job.
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As it turned out (and I thought this was interesting) most of the bidders provided me with a bid on one or the other, but only one bidder (Buildblock) provided me with a bid on both. A bit of digging tended to reveal that all of the companies seem to have a "preferred" product that they work with.
Taking a gander at the two was interesting but ultimately a bit frustrating for me. They look pretty much alike. InsulDeck looks like it is slightly stronger with the metal beams embedded within the forms, while LiteDeck looks like it's simpler to create varying thicknesses by changing out the "cap". InsulDeck appears to use slightly less concrete and has built-in runs for piping and electrical lines, while LiteDeck might (to my untrained eye anyway) be slightly simpler to install. Both are built to be ready to handle radiant heat systems and will provide solid insulation beneath the tubes to help minimize waste.
After a few days in which the details of the various products started to blur together I finally got smart and gave the problem to Architect Scott. Figuring this stuff out is what he's getting paid for, after all!
At the end Scott's recommendation was slightly in favor of InsulDeck. He looks at both of them favorably but the InsulDeck bid was slightly less and has the piping/electrical runs built in, so it looks simpler to build with to him.
Sometimes the best decision is to just let the pro do it.
But it sure was fun learning all those neat things about concrete flooring!