Mike - Most decks that I see and that we build are attached a full 6-7 inches below the finished floor so as to avoid snow build-up at the door. This would make the diagrammed method impossible to construct. The other obvious problem is that for all the decks that are built as remodels (as opposed to new construction) there is often finished ceilings, electrical lines, plumbing, etc. in the way of doing this work. If this indeed becomes the code it looks like it will kill a lot of deck projects outright or force us to build freestanding (though next the code will probably evolve to require freestanding decks be anchored to bedrock). I think that they are looking to solve a problem that doesn't exist and will only help sell brackets while skyrocketing the cost of building a deck.
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